Merge branch 'dev_type_mapping'

FreeSql.Tests/MySql/MapType/EnumTest.cs

@@ -0,0 +1,254 @@
+using FreeSql.DataAnnotations;
+using System;
+using System.Numerics;
+using Xunit;
+
+namespace FreeSql.Tests.MySqlMapType {
+	public class EnumTest {
+		class EnumTestMap {
+			public Guid id { get; set; }
+
+			[Column(MapType = typeof(string))]
+			public ToStringMapEnum enum_to_string { get; set; }
+			[Column(MapType = typeof(string))]
+			public ToStringMapEnum? enumnullable_to_string { get; set; }
+
+			[Column(MapType = typeof(int))]
+			public ToStringMapEnum enum_to_int { get; set; }
+			[Column(MapType = typeof(int?))]
+			public ToStringMapEnum? enumnullable_to_int { get; set; }
+		}
+		public enum ToStringMapEnum { 中国人, abc, 香港 }
+		[Fact]
+		public void EnumToString() {
+			//insert
+			var orm = g.mysql;
+			var item = new EnumTestMap { };
+			Assert.Equal(1, orm.Insert<EnumTestMap>().AppendData(item).ExecuteAffrows());
+			var find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enum_to_string == ToStringMapEnum.中国人).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enum_to_string, find.enum_to_string);
+			Assert.Equal(ToStringMapEnum.中国人, find.enum_to_string);
+
+			item = new EnumTestMap { enum_to_string = ToStringMapEnum.abc };
+			Assert.Equal(1, orm.Insert<EnumTestMap>().AppendData(item).ExecuteAffrows());
+			find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enum_to_string == ToStringMapEnum.abc).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enum_to_string, find.enum_to_string);
+			Assert.Equal(ToStringMapEnum.abc, find.enum_to_string);
+
+			//update all
+			item.enum_to_string = ToStringMapEnum.香港;
+			Assert.Equal(1, orm.Update<EnumTestMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enum_to_string == ToStringMapEnum.香港).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enum_to_string, find.enum_to_string);
+			Assert.Equal(ToStringMapEnum.香港, find.enum_to_string);
+
+			item.enum_to_string = ToStringMapEnum.中国人;
+			Assert.Equal(1, orm.Update<EnumTestMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enum_to_string == ToStringMapEnum.中国人).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enum_to_string, find.enum_to_string);
+			Assert.Equal(ToStringMapEnum.中国人, find.enum_to_string);
+
+			//update set
+			Assert.Equal(1, orm.Update<EnumTestMap>().Where(a => a.id == item.id).Set(a => a.enum_to_string, ToStringMapEnum.香港).ExecuteAffrows());
+			find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enum_to_string == ToStringMapEnum.香港).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(ToStringMapEnum.香港, find.enum_to_string);
+
+			Assert.Equal(1, orm.Update<EnumTestMap>().Where(a => a.id == item.id).Set(a => a.enum_to_string, ToStringMapEnum.abc).ExecuteAffrows());
+			find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enum_to_string == ToStringMapEnum.abc).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(ToStringMapEnum.abc, find.enum_to_string);
+
+			//delete
+			Assert.Equal(0, orm.Delete<EnumTestMap>().Where(a => a.id == item.id && a.enum_to_string == ToStringMapEnum.中国人).ExecuteAffrows());
+			Assert.Equal(0, orm.Delete<EnumTestMap>().Where(a => a.id == item.id && a.enum_to_string == ToStringMapEnum.香港).ExecuteAffrows());
+			Assert.Equal(1, orm.Delete<EnumTestMap>().Where(a => a.id == item.id && a.enum_to_string == ToStringMapEnum.abc).ExecuteAffrows());
+			Assert.Null(orm.Select<EnumTestMap>().Where(a => a.id == item.id).First());
+		}
+		[Fact]
+		public void EnumNullableToString() {
+			//insert
+			var orm = g.mysql;
+			var item = new EnumTestMap { };
+			Assert.Equal(1, orm.Insert<EnumTestMap>().AppendData(item).ExecuteAffrows());
+			var find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_string == null).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enumnullable_to_string, find.enumnullable_to_string);
+			Assert.Null(find.enumnullable_to_string);
+
+			item = new EnumTestMap { enumnullable_to_string = ToStringMapEnum.中国人 };
+			Assert.Equal(1, orm.Insert<EnumTestMap>().AppendData(item).ExecuteAffrows());
+			find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_string == ToStringMapEnum.中国人).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enumnullable_to_string, find.enumnullable_to_string);
+			Assert.Equal(ToStringMapEnum.中国人, find.enumnullable_to_string);
+
+			//update all
+			item.enumnullable_to_string = ToStringMapEnum.香港;
+			Assert.Equal(1, orm.Update<EnumTestMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_string == ToStringMapEnum.香港).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enumnullable_to_string, find.enumnullable_to_string);
+			Assert.Equal(ToStringMapEnum.香港, find.enumnullable_to_string);
+
+			item.enumnullable_to_string = null;
+			Assert.Equal(1, orm.Update<EnumTestMap>().SetSource(item).ExecuteAffrows());
+			Assert.Null(orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_string == ToStringMapEnum.香港).First());
+			find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_string == null).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enumnullable_to_string, find.enumnullable_to_string);
+			Assert.Null(find.enumnullable_to_string);
+
+			//update set
+			Assert.Equal(1, orm.Update<EnumTestMap>().Where(a => a.id == item.id).Set(a => a.enumnullable_to_string, ToStringMapEnum.abc).ExecuteAffrows());
+			find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_string == ToStringMapEnum.abc).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(ToStringMapEnum.abc, find.enumnullable_to_string);
+
+
+			Assert.Equal(1, orm.Update<EnumTestMap>().Where(a => a.id == item.id).Set(a => a.enumnullable_to_string, null).ExecuteAffrows());
+			Assert.Null(orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_string == ToStringMapEnum.abc).First());
+			find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_string == null).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Null(find.enumnullable_to_string);
+
+			//delete
+			Assert.Equal(0, orm.Delete<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_string == ToStringMapEnum.中国人).ExecuteAffrows());
+			Assert.Equal(0, orm.Delete<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_string == ToStringMapEnum.香港).ExecuteAffrows());
+			Assert.Equal(1, orm.Delete<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_string == null).ExecuteAffrows());
+			Assert.Null(orm.Select<EnumTestMap>().Where(a => a.id == item.id).First());
+		}
+
+		[Fact]
+		public void EnumToInt() {
+			//insert
+			var orm = g.mysql;
+			var item = new EnumTestMap { };
+			Assert.Equal(1, orm.Insert<EnumTestMap>().AppendData(item).ExecuteAffrows());
+			var find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enum_to_int == ToStringMapEnum.中国人).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enum_to_int, find.enum_to_int);
+			Assert.Equal(ToStringMapEnum.中国人, find.enum_to_int);
+
+			item = new EnumTestMap { enum_to_int = ToStringMapEnum.abc };
+			Assert.Equal(1, orm.Insert<EnumTestMap>().AppendData(item).ExecuteAffrows());
+			find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enum_to_int == ToStringMapEnum.abc).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enum_to_int, find.enum_to_int);
+			Assert.Equal(ToStringMapEnum.abc, find.enum_to_int);
+
+			//update all
+			item.enum_to_int = ToStringMapEnum.香港;
+			Assert.Equal(1, orm.Update<EnumTestMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enum_to_int == ToStringMapEnum.香港).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enum_to_int, find.enum_to_int);
+			Assert.Equal(ToStringMapEnum.香港, find.enum_to_int);
+
+			item.enum_to_int = ToStringMapEnum.中国人;
+			Assert.Equal(1, orm.Update<EnumTestMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enum_to_int == ToStringMapEnum.中国人).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enum_to_int, find.enum_to_int);
+			Assert.Equal(ToStringMapEnum.中国人, find.enum_to_int);
+
+			//update set
+			Assert.Equal(1, orm.Update<EnumTestMap>().Where(a => a.id == item.id).Set(a => a.enum_to_int, ToStringMapEnum.香港).ExecuteAffrows());
+			find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enum_to_int == ToStringMapEnum.香港).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(ToStringMapEnum.香港, find.enum_to_int);
+
+			Assert.Equal(1, orm.Update<EnumTestMap>().Where(a => a.id == item.id).Set(a => a.enum_to_int, ToStringMapEnum.abc).ExecuteAffrows());
+			find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enum_to_int == ToStringMapEnum.abc).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(ToStringMapEnum.abc, find.enum_to_int);
+
+			//delete
+			Assert.Equal(0, orm.Delete<EnumTestMap>().Where(a => a.id == item.id && a.enum_to_int == ToStringMapEnum.中国人).ExecuteAffrows());
+			Assert.Equal(0, orm.Delete<EnumTestMap>().Where(a => a.id == item.id && a.enum_to_int == ToStringMapEnum.香港).ExecuteAffrows());
+			Assert.Equal(1, orm.Delete<EnumTestMap>().Where(a => a.id == item.id && a.enum_to_int == ToStringMapEnum.abc).ExecuteAffrows());
+			Assert.Null(orm.Select<EnumTestMap>().Where(a => a.id == item.id).First());
+		}
+		[Fact]
+		public void EnumNullableToInt() {
+			//insert
+			var orm = g.mysql;
+			var item = new EnumTestMap { };
+			Assert.Equal(1, orm.Insert<EnumTestMap>().AppendData(item).ExecuteAffrows());
+			var find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_int == null).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enumnullable_to_int, find.enumnullable_to_int);
+			Assert.Null(find.enumnullable_to_int);
+
+			item = new EnumTestMap { enumnullable_to_int = ToStringMapEnum.中国人 };
+			Assert.Equal(1, orm.Insert<EnumTestMap>().AppendData(item).ExecuteAffrows());
+			find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_int == ToStringMapEnum.中国人).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enumnullable_to_int, find.enumnullable_to_int);
+			Assert.Equal(ToStringMapEnum.中国人, find.enumnullable_to_int);
+
+			//update all
+			item.enumnullable_to_int = ToStringMapEnum.香港;
+			Assert.Equal(1, orm.Update<EnumTestMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_int == ToStringMapEnum.香港).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enumnullable_to_int, find.enumnullable_to_int);
+			Assert.Equal(ToStringMapEnum.香港, find.enumnullable_to_int);
+
+			item.enumnullable_to_int = null;
+			Assert.Equal(1, orm.Update<EnumTestMap>().SetSource(item).ExecuteAffrows());
+			Assert.Null(orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_int == ToStringMapEnum.香港).First());
+			find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_int == null).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enumnullable_to_int, find.enumnullable_to_int);
+			Assert.Null(find.enumnullable_to_int);
+
+			//update set
+			Assert.Equal(1, orm.Update<EnumTestMap>().Where(a => a.id == item.id).Set(a => a.enumnullable_to_int, ToStringMapEnum.abc).ExecuteAffrows());
+			find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_int == ToStringMapEnum.abc).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(ToStringMapEnum.abc, find.enumnullable_to_int);
+
+
+			Assert.Equal(1, orm.Update<EnumTestMap>().Where(a => a.id == item.id).Set(a => a.enumnullable_to_int, null).ExecuteAffrows());
+			Assert.Null(orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_int == ToStringMapEnum.abc).First());
+			find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_int == null).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Null(find.enumnullable_to_int);
+
+			//delete
+			Assert.Equal(0, orm.Delete<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_int == ToStringMapEnum.中国人).ExecuteAffrows());
+			Assert.Equal(0, orm.Delete<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_int == ToStringMapEnum.香港).ExecuteAffrows());
+			Assert.Equal(1, orm.Delete<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_int == null).ExecuteAffrows());
+			Assert.Null(orm.Select<EnumTestMap>().Where(a => a.id == item.id).First());
+		}
+	}
+}

FreeSql.Tests/MySql/MapType/ToStringTest.cs

@@ -0,0 +1,557 @@
+using FreeSql.DataAnnotations;
+using System;
+using System.Numerics;
+using Xunit;
+
+namespace FreeSql.Tests.MySqlMapType {
+	public class ToStringTest {
+		class ToStringMap {
+			public Guid id { get; set; }
+
+			[Column(MapType = typeof(string))]
+			public TimeSpan timespan_to_string { get; set; }
+			[Column(MapType = typeof(string))]
+			public TimeSpan? timespannullable_to_string { get; set; }
+
+			[Column(MapType = typeof(string))]
+			public DateTime datetime_to_string { get; set; }
+			[Column(MapType = typeof(string))]
+			public DateTime? datetimenullable_to_string { get; set; }
+
+			[Column(MapType = typeof(string))]
+			public Guid guid_to_string { get; set; }
+			[Column(MapType = typeof(string))]
+			public Guid? guidnullable_to_string { get; set; }
+
+			[Column(MapType = typeof(string))]
+			public ToStringMapEnum enum_to_string { get; set; }
+			[Column(MapType = typeof(string))]
+			public ToStringMapEnum? enumnullable_to_string { get; set; }
+
+			[Column(MapType = typeof(string))]
+			public BigInteger biginteger_to_string { get; set; }
+			[Column(MapType = typeof(string))]
+			public BigInteger? bigintegernullable_to_string { get; set; }
+		}
+		public enum ToStringMapEnum { 中国人, abc, 香港 }
+		[Fact]
+		public void Enum1() {
+			//insert
+			var orm = g.mysql;
+			var item = new ToStringMap { };
+			Assert.Equal(1, orm.Insert<ToStringMap>().AppendData(item).ExecuteAffrows());
+			var find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.enum_to_string == ToStringMapEnum.中国人).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enum_to_string, find.enum_to_string);
+			Assert.Equal(ToStringMapEnum.中国人, find.enum_to_string);
+
+			item = new ToStringMap { enum_to_string = ToStringMapEnum.abc };
+			Assert.Equal(1, orm.Insert<ToStringMap>().AppendData(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.enum_to_string == ToStringMapEnum.abc).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enum_to_string, find.enum_to_string);
+			Assert.Equal(ToStringMapEnum.abc, find.enum_to_string);
+
+			//update all
+			item.enum_to_string = ToStringMapEnum.香港;
+			Assert.Equal(1, orm.Update<ToStringMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.enum_to_string == ToStringMapEnum.香港).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enum_to_string, find.enum_to_string);
+			Assert.Equal(ToStringMapEnum.香港, find.enum_to_string);
+
+			item.enum_to_string = ToStringMapEnum.中国人;
+			Assert.Equal(1, orm.Update<ToStringMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.enum_to_string == ToStringMapEnum.中国人).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enum_to_string, find.enum_to_string);
+			Assert.Equal(ToStringMapEnum.中国人, find.enum_to_string);
+
+			//update set
+			Assert.Equal(1, orm.Update<ToStringMap>().Where(a => a.id == item.id).Set(a => a.enum_to_string, ToStringMapEnum.香港).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.enum_to_string == ToStringMapEnum.香港).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(ToStringMapEnum.香港, find.enum_to_string);
+
+			Assert.Equal(1, orm.Update<ToStringMap>().Where(a => a.id == item.id).Set(a => a.enum_to_string, ToStringMapEnum.abc).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.enum_to_string == ToStringMapEnum.abc).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(ToStringMapEnum.abc, find.enum_to_string);
+
+			//delete
+			Assert.Equal(0, orm.Delete<ToStringMap>().Where(a => a.id == item.id && a.enum_to_string == ToStringMapEnum.中国人).ExecuteAffrows());
+			Assert.Equal(0, orm.Delete<ToStringMap>().Where(a => a.id == item.id && a.enum_to_string == ToStringMapEnum.香港).ExecuteAffrows());
+			Assert.Equal(1, orm.Delete<ToStringMap>().Where(a => a.id == item.id && a.enum_to_string == ToStringMapEnum.abc).ExecuteAffrows());
+			Assert.Null(orm.Select<ToStringMap>().Where(a => a.id == item.id).First());
+		}
+		[Fact]
+		public void EnumNullable() {
+			//insert
+			var orm = g.mysql;
+			var item = new ToStringMap { };
+			Assert.Equal(1, orm.Insert<ToStringMap>().AppendData(item).ExecuteAffrows());
+			var find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.enumnullable_to_string == null).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enumnullable_to_string, find.enumnullable_to_string);
+			Assert.Null(find.enumnullable_to_string);
+
+			item = new ToStringMap { enumnullable_to_string = ToStringMapEnum.中国人 };
+			Assert.Equal(1, orm.Insert<ToStringMap>().AppendData(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.enumnullable_to_string == ToStringMapEnum.中国人).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enumnullable_to_string, find.enumnullable_to_string);
+			Assert.Equal(ToStringMapEnum.中国人, find.enumnullable_to_string);
+
+			//update all
+			item.enumnullable_to_string = ToStringMapEnum.香港;
+			Assert.Equal(1, orm.Update<ToStringMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.enumnullable_to_string == ToStringMapEnum.香港).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enumnullable_to_string, find.enumnullable_to_string);
+			Assert.Equal(ToStringMapEnum.香港, find.enumnullable_to_string);
+
+			item.enumnullable_to_string = null;
+			Assert.Equal(1, orm.Update<ToStringMap>().SetSource(item).ExecuteAffrows());
+			Assert.Null(orm.Select<ToStringMap>().Where(a => a.id == item.id && a.enumnullable_to_string == ToStringMapEnum.香港).First());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.enumnullable_to_string == null).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enumnullable_to_string, find.enumnullable_to_string);
+			Assert.Null(find.enumnullable_to_string);
+
+			//update set
+			Assert.Equal(1, orm.Update<ToStringMap>().Where(a => a.id == item.id).Set(a => a.enumnullable_to_string, ToStringMapEnum.abc).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.enumnullable_to_string == ToStringMapEnum.abc).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(ToStringMapEnum.abc, find.enumnullable_to_string);
+
+
+			Assert.Equal(1, orm.Update<ToStringMap>().Where(a => a.id == item.id).Set(a => a.enumnullable_to_string, null).ExecuteAffrows());
+			Assert.Null(orm.Select<ToStringMap>().Where(a => a.id == item.id && a.enumnullable_to_string == ToStringMapEnum.abc).First());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.enumnullable_to_string == null).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Null(find.enumnullable_to_string);
+
+			//delete
+			Assert.Equal(0, orm.Delete<ToStringMap>().Where(a => a.id == item.id && a.enumnullable_to_string == ToStringMapEnum.中国人).ExecuteAffrows());
+			Assert.Equal(0, orm.Delete<ToStringMap>().Where(a => a.id == item.id && a.enumnullable_to_string == ToStringMapEnum.香港).ExecuteAffrows());
+			Assert.Equal(1, orm.Delete<ToStringMap>().Where(a => a.id == item.id && a.enumnullable_to_string == null).ExecuteAffrows());
+			Assert.Null(orm.Select<ToStringMap>().Where(a => a.id == item.id).First());
+		}
+		[Fact]
+		public void BigInteger1() {
+			//insert
+			var orm = g.mysql;
+			var item = new ToStringMap { };
+			Assert.Equal(1, orm.Insert<ToStringMap>().AppendData(item).ExecuteAffrows());
+			var find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.biginteger_to_string == 0).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.biginteger_to_string, find.biginteger_to_string);
+			Assert.Equal(0, find.biginteger_to_string);
+
+			item = new ToStringMap { biginteger_to_string = 100 };
+			Assert.Equal(1, orm.Insert<ToStringMap>().AppendData(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.biginteger_to_string == 100).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.biginteger_to_string, find.biginteger_to_string);
+			Assert.Equal(100, find.biginteger_to_string);
+
+			//update all
+			item.biginteger_to_string = 200;
+			Assert.Equal(1, orm.Update<ToStringMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.biginteger_to_string == 200).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.biginteger_to_string, find.biginteger_to_string);
+			Assert.Equal(200, find.biginteger_to_string);
+
+			item.biginteger_to_string = 205;
+			Assert.Equal(1, orm.Update<ToStringMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.biginteger_to_string == 205).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.biginteger_to_string, find.biginteger_to_string);
+			Assert.Equal(205, find.biginteger_to_string);
+
+			//update set
+			Assert.Equal(1, orm.Update<ToStringMap>().Where(a => a.id == item.id).Set(a => a.biginteger_to_string, 522).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.biginteger_to_string == 522).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(522, find.biginteger_to_string);
+
+			Assert.Equal(1, orm.Update<ToStringMap>().Where(a => a.id == item.id).Set(a => a.biginteger_to_string, 10005).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.biginteger_to_string == 10005).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(10005, find.biginteger_to_string);
+
+			//delete
+			Assert.Equal(0, orm.Delete<ToStringMap>().Where(a => a.id == item.id && a.biginteger_to_string == 522).ExecuteAffrows());
+			Assert.Equal(0, orm.Delete<ToStringMap>().Where(a => a.id == item.id && a.biginteger_to_string == 205).ExecuteAffrows());
+			Assert.Equal(1, orm.Delete<ToStringMap>().Where(a => a.id == item.id && a.biginteger_to_string == 10005).ExecuteAffrows());
+			Assert.Null(orm.Select<ToStringMap>().Where(a => a.id == item.id).First());
+		}
+		[Fact]
+		public void BigIntegerNullable() {
+			//insert
+			var orm = g.mysql;
+			var item = new ToStringMap { };
+			Assert.Equal(1, orm.Insert<ToStringMap>().AppendData(item).ExecuteAffrows());
+			var find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.bigintegernullable_to_string == null).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.bigintegernullable_to_string, find.bigintegernullable_to_string);
+			Assert.Null(find.bigintegernullable_to_string);
+
+			item = new ToStringMap { bigintegernullable_to_string = 101 };
+			Assert.Equal(1, orm.Insert<ToStringMap>().AppendData(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.bigintegernullable_to_string == 101).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.bigintegernullable_to_string, find.bigintegernullable_to_string);
+			Assert.Equal(101, find.bigintegernullable_to_string);
+
+			//update all
+			item.bigintegernullable_to_string = 2004;
+			Assert.Equal(1, orm.Update<ToStringMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.bigintegernullable_to_string == 2004).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.bigintegernullable_to_string, find.bigintegernullable_to_string);
+			Assert.Equal(2004, find.bigintegernullable_to_string);
+
+			item.bigintegernullable_to_string = null;
+			Assert.Equal(1, orm.Update<ToStringMap>().SetSource(item).ExecuteAffrows());
+			Assert.Null(orm.Select<ToStringMap>().Where(a => a.id == item.id && a.bigintegernullable_to_string == 2004).First());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.bigintegernullable_to_string == null).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.bigintegernullable_to_string, find.bigintegernullable_to_string);
+			Assert.Null(find.bigintegernullable_to_string);
+
+			//update set
+			Assert.Equal(1, orm.Update<ToStringMap>().Where(a => a.id == item.id).Set(a => a.bigintegernullable_to_string, 998).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.bigintegernullable_to_string == 998).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(998, find.bigintegernullable_to_string);
+
+
+			Assert.Equal(1, orm.Update<ToStringMap>().Where(a => a.id == item.id).Set(a => a.bigintegernullable_to_string, null).ExecuteAffrows());
+			Assert.Null(orm.Select<ToStringMap>().Where(a => a.id == item.id && a.bigintegernullable_to_string == 998).First());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.bigintegernullable_to_string == null).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Null(find.bigintegernullable_to_string);
+
+			//delete
+			Assert.Equal(0, orm.Delete<ToStringMap>().Where(a => a.id == item.id && a.bigintegernullable_to_string == 998).ExecuteAffrows());
+			Assert.Equal(0, orm.Delete<ToStringMap>().Where(a => a.id == item.id && a.bigintegernullable_to_string == 2004).ExecuteAffrows());
+			Assert.Equal(1, orm.Delete<ToStringMap>().Where(a => a.id == item.id && a.bigintegernullable_to_string == null).ExecuteAffrows());
+			Assert.Null(orm.Select<ToStringMap>().Where(a => a.id == item.id).First());
+		}
+		[Fact]
+		public void TimeSpan1() {
+			//insert
+			var orm = g.mysql;
+			var item = new ToStringMap { };
+			Assert.Equal(1, orm.Insert<ToStringMap>().AppendData(item).ExecuteAffrows());
+			var find = orm.Select<ToStringMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.timespan_to_string, find.timespan_to_string);
+			Assert.Equal(TimeSpan.Zero, find.timespan_to_string);
+
+			item = new ToStringMap { timespan_to_string = TimeSpan.FromDays(1) };
+			Assert.Equal(1, orm.Insert<ToStringMap>().AppendData(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.timespan_to_string, find.timespan_to_string);
+			Assert.Equal(TimeSpan.FromDays(1), find.timespan_to_string);
+
+			//update all
+			item.timespan_to_string = TimeSpan.FromHours(10);
+			Assert.Equal(1, orm.Update<ToStringMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.timespan_to_string, find.timespan_to_string);
+			Assert.Equal(TimeSpan.FromHours(10), find.timespan_to_string);
+
+			//update set
+			Assert.Equal(1, orm.Update<ToStringMap>().Where(a => a.id == item.id).Set(a => a.timespan_to_string, TimeSpan.FromHours(11)).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(TimeSpan.FromHours(11), find.timespan_to_string);
+
+			//delete
+			Assert.Equal(1, orm.Delete<ToStringMap>().Where(a => a.id == item.id).ExecuteAffrows());
+			Assert.Null(orm.Select<ToStringMap>().Where(a => a.id == item.id).First());
+		}
+		[Fact]
+		public void TimeSpanNullable() {
+			//insert
+			var orm = g.mysql;
+			var item = new ToStringMap { };
+			Assert.Equal(1, orm.Insert<ToStringMap>().AppendData(item).ExecuteAffrows());
+			var find = orm.Select<ToStringMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.timespannullable_to_string, find.timespannullable_to_string);
+			Assert.Null(find.timespannullable_to_string);
+
+			item = new ToStringMap { timespannullable_to_string = TimeSpan.FromDays(1) };
+			Assert.Equal(1, orm.Insert<ToStringMap>().AppendData(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.timespannullable_to_string, find.timespannullable_to_string);
+			Assert.Equal(TimeSpan.FromDays(1), find.timespannullable_to_string);
+
+			//update all
+			item.timespannullable_to_string = TimeSpan.FromHours(10);
+			Assert.Equal(1, orm.Update<ToStringMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.timespannullable_to_string, find.timespannullable_to_string);
+			Assert.Equal(TimeSpan.FromHours(10), find.timespannullable_to_string);
+
+			item.timespannullable_to_string = null;
+			Assert.Equal(1, orm.Update<ToStringMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.timespannullable_to_string, find.timespannullable_to_string);
+			Assert.Null(find.timespannullable_to_string);
+
+			//update set
+			Assert.Equal(1, orm.Update<ToStringMap>().Where(a => a.id == item.id).Set(a => a.timespannullable_to_string, TimeSpan.FromHours(11)).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(TimeSpan.FromHours(11), find.timespannullable_to_string);
+
+			Assert.Equal(1, orm.Update<ToStringMap>().Where(a => a.id == item.id).Set(a => a.timespannullable_to_string, null).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Null(find.timespannullable_to_string);
+
+			//delete
+			Assert.Equal(1, orm.Delete<ToStringMap>().Where(a => a.id == item.id).ExecuteAffrows());
+			Assert.Null(orm.Select<ToStringMap>().Where(a => a.id == item.id).First());
+		}
+		[Fact]
+		public void DateTime1() {
+			//insert
+			var orm = g.mysql;
+			var item = new ToStringMap { };
+			Assert.Equal(1, orm.Insert<ToStringMap>().AppendData(item).ExecuteAffrows());
+			var find = orm.Select<ToStringMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.datetime_to_string, find.datetime_to_string);
+			Assert.Equal(DateTime.MinValue, find.datetime_to_string);
+
+			item = new ToStringMap { datetime_to_string = DateTime.Parse("2000-1-1") };
+			Assert.Equal(1, orm.Insert<ToStringMap>().AppendData(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.datetime_to_string, find.datetime_to_string);
+			Assert.Equal(DateTime.Parse("2000-1-1"), find.datetime_to_string);
+
+			//update all
+			item.datetime_to_string = DateTime.Parse("2000-1-11");
+			Assert.Equal(1, orm.Update<ToStringMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.datetime_to_string, find.datetime_to_string);
+			Assert.Equal(DateTime.Parse("2000-1-11"), find.datetime_to_string);
+
+			//update set
+			Assert.Equal(1, orm.Update<ToStringMap>().Where(a => a.id == item.id).Set(a => a.datetime_to_string, DateTime.Parse("2000-1-12")).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(DateTime.Parse("2000-1-12"), find.datetime_to_string);
+
+			//delete
+			Assert.Equal(1, orm.Delete<ToStringMap>().Where(a => a.id == item.id).ExecuteAffrows());
+			Assert.Null(orm.Select<ToStringMap>().Where(a => a.id == item.id).First());
+		}
+		[Fact]
+		public void DateTimeNullable() {
+			//insert
+			var orm = g.mysql;
+			var item = new ToStringMap { };
+			Assert.Equal(1, orm.Insert<ToStringMap>().AppendData(item).ExecuteAffrows());
+			var find = orm.Select<ToStringMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.datetimenullable_to_string, find.datetimenullable_to_string);
+			Assert.Null(find.datetimenullable_to_string);
+
+			item = new ToStringMap { datetimenullable_to_string = DateTime.Parse("2000-1-1") };
+			Assert.Equal(1, orm.Insert<ToStringMap>().AppendData(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.datetimenullable_to_string, find.datetimenullable_to_string);
+			Assert.Equal(DateTime.Parse("2000-1-1"), find.datetimenullable_to_string);
+
+			//update all
+			item.datetimenullable_to_string = DateTime.Parse("2000-1-11");
+			Assert.Equal(1, orm.Update<ToStringMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.datetimenullable_to_string, find.datetimenullable_to_string);
+			Assert.Equal(DateTime.Parse("2000-1-11"), find.datetimenullable_to_string);
+
+			item.datetimenullable_to_string = null;
+			Assert.Equal(1, orm.Update<ToStringMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.datetimenullable_to_string, find.datetimenullable_to_string);
+			Assert.Null(find.datetimenullable_to_string);
+
+			//update set
+			Assert.Equal(1, orm.Update<ToStringMap>().Where(a => a.id == item.id).Set(a => a.datetimenullable_to_string, DateTime.Parse("2000-1-12")).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(DateTime.Parse("2000-1-12"), find.datetimenullable_to_string);
+
+			Assert.Equal(1, orm.Update<ToStringMap>().Where(a => a.id == item.id).Set(a => a.datetimenullable_to_string, null).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Null(find.datetimenullable_to_string);
+
+			//delete
+			Assert.Equal(1, orm.Delete<ToStringMap>().Where(a => a.id == item.id).ExecuteAffrows());
+			Assert.Null(orm.Select<ToStringMap>().Where(a => a.id == item.id).First());
+		}
+
+		[Fact]
+		public void Guid1() {
+			//insert
+			var orm = g.mysql;
+			var item = new ToStringMap { };
+			Assert.Equal(1, orm.Insert<ToStringMap>().AppendData(item).ExecuteAffrows());
+			var find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.guid_to_string == Guid.Empty).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.guid_to_string, find.guid_to_string);
+			Assert.Equal(Guid.Empty, find.guid_to_string);
+
+			var newid = Guid.NewGuid();
+			item = new ToStringMap { guid_to_string = newid };
+			Assert.Equal(1, orm.Insert<ToStringMap>().AppendData(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.guid_to_string == newid).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.guid_to_string, find.guid_to_string);
+			Assert.Equal(newid, find.guid_to_string);
+
+			//update all
+			newid = Guid.NewGuid();
+			item.guid_to_string = newid;
+			Assert.Equal(1, orm.Update<ToStringMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.guid_to_string == newid).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.guid_to_string, find.guid_to_string);
+			Assert.Equal(newid, find.guid_to_string);
+
+			//update set
+			newid = Guid.NewGuid();
+			Assert.Equal(1, orm.Update<ToStringMap>().Where(a => a.id == item.id).Set(a => a.guid_to_string, newid).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.guid_to_string == newid).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(newid, find.guid_to_string);
+
+			//delete
+			Assert.Equal(1, orm.Delete<ToStringMap>().Where(a => a.id == item.id && a.guid_to_string == newid).ExecuteAffrows());
+			Assert.Null(orm.Select<ToStringMap>().Where(a => a.id == item.id).First());
+		}
+		[Fact]
+		public void GuidNullable() {
+			//insert
+			var orm = g.mysql;
+			var item = new ToStringMap { };
+			Assert.Equal(1, orm.Insert<ToStringMap>().AppendData(item).ExecuteAffrows());
+			var find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.guidnullable_to_string == null).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.guidnullable_to_string, find.guidnullable_to_string);
+			Assert.Null(find.guidnullable_to_string);
+
+			var newid = Guid.NewGuid();
+			item = new ToStringMap { guidnullable_to_string = newid };
+			Assert.Equal(1, orm.Insert<ToStringMap>().AppendData(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.guidnullable_to_string == newid).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.guidnullable_to_string, find.guidnullable_to_string);
+			Assert.Equal(newid, find.guidnullable_to_string);
+
+			//update all
+			newid = Guid.NewGuid();
+			item.guidnullable_to_string = newid;
+			Assert.Equal(1, orm.Update<ToStringMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.guidnullable_to_string == newid).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.guidnullable_to_string, find.guidnullable_to_string);
+			Assert.Equal(newid, find.guidnullable_to_string);
+
+			item.guidnullable_to_string = null;
+			Assert.Equal(1, orm.Update<ToStringMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.guidnullable_to_string == null).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.guidnullable_to_string, find.guidnullable_to_string);
+			Assert.Null(find.guidnullable_to_string);
+
+			//update set
+			newid = Guid.NewGuid();
+			Assert.Equal(1, orm.Update<ToStringMap>().Where(a => a.id == item.id).Set(a => a.guidnullable_to_string, newid).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.guidnullable_to_string == newid).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(newid, find.guidnullable_to_string);
+
+			Assert.Equal(1, orm.Update<ToStringMap>().Where(a => a.id == item.id).Set(a => a.guidnullable_to_string, null).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.guidnullable_to_string == null).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Null(find.guidnullable_to_string);
+
+			//delete
+			Assert.Equal(1, orm.Delete<ToStringMap>().Where(a => a.id == item.id && a.guidnullable_to_string == null).ExecuteAffrows());
+			Assert.Null(orm.Select<ToStringMap>().Where(a => a.id == item.id).First());
+		}
+	}
+}

FreeSql.Tests/MySql/MySqlCodeFirstTest.cs

@@ -9,6 +9,25 @@ using Xunit;
 namespace FreeSql.Tests.MySql {
 	public class MySqlCodeFirstTest {
 
+		[Fact]
+		public void AddUniques() {
+			var sql = g.mysql.CodeFirst.GetComparisonDDLStatements<AddUniquesInfo>();
+			g.mysql.CodeFirst.SyncStructure<AddUniquesInfo>();
+		}
+		[Table(Name = "AddUniquesInfo", OldName = "AddUniquesInfo2")]
+		class AddUniquesInfo {
+			public Guid id { get; set; }
+			[Column(Unique = "uk_phone")]
+			public string phone { get; set; }
+
+			[Column(Unique = "uk_group_index")]
+			public string group { get; set; }
+			[Column(Unique = "uk_group_index11")]
+			public int index { get; set; }
+			[Column(Unique = "uk_group_index222")]
+			public string index22 { get; set; }
+		}
+
 		[Fact]
 		public void AddField() {
 			var sql = g.mysql.CodeFirst.GetComparisonDDLStatements<TopicAddField>();

FreeSql.Tests/Oracle/MapType/EnumTest.cs

@@ -0,0 +1,254 @@
+using FreeSql.DataAnnotations;
+using System;
+using System.Numerics;
+using Xunit;
+
+namespace FreeSql.Tests.OracleMapType {
+	public class EnumTest {
+		class EnumTestMap {
+			public Guid id { get; set; }
+
+			[Column(MapType = typeof(string))]
+			public ToStringMapEnum enum_to_string { get; set; }
+			[Column(MapType = typeof(string))]
+			public ToStringMapEnum? enumnullable_to_string { get; set; }
+
+			[Column(MapType = typeof(int))]
+			public ToStringMapEnum enum_to_int { get; set; }
+			[Column(MapType = typeof(int?))]
+			public ToStringMapEnum? enumnullable_to_int { get; set; }
+		}
+		public enum ToStringMapEnum { 中国人, abc, 香港 }
+		[Fact]
+		public void EnumToString() {
+			//insert
+			var orm = g.oracle;
+			var item = new EnumTestMap { };
+			Assert.Equal(1, orm.Insert<EnumTestMap>().AppendData(item).ExecuteAffrows());
+			var find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enum_to_string == ToStringMapEnum.中国人).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enum_to_string, find.enum_to_string);
+			Assert.Equal(ToStringMapEnum.中国人, find.enum_to_string);
+
+			item = new EnumTestMap { enum_to_string = ToStringMapEnum.abc };
+			Assert.Equal(1, orm.Insert<EnumTestMap>().AppendData(item).ExecuteAffrows());
+			find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enum_to_string == ToStringMapEnum.abc).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enum_to_string, find.enum_to_string);
+			Assert.Equal(ToStringMapEnum.abc, find.enum_to_string);
+
+			//update all
+			item.enum_to_string = ToStringMapEnum.香港;
+			Assert.Equal(1, orm.Update<EnumTestMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enum_to_string == ToStringMapEnum.香港).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enum_to_string, find.enum_to_string);
+			Assert.Equal(ToStringMapEnum.香港, find.enum_to_string);
+
+			item.enum_to_string = ToStringMapEnum.中国人;
+			Assert.Equal(1, orm.Update<EnumTestMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enum_to_string == ToStringMapEnum.中国人).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enum_to_string, find.enum_to_string);
+			Assert.Equal(ToStringMapEnum.中国人, find.enum_to_string);
+
+			//update set
+			Assert.Equal(1, orm.Update<EnumTestMap>().Where(a => a.id == item.id).Set(a => a.enum_to_string, ToStringMapEnum.香港).ExecuteAffrows());
+			find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enum_to_string == ToStringMapEnum.香港).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(ToStringMapEnum.香港, find.enum_to_string);
+
+			Assert.Equal(1, orm.Update<EnumTestMap>().Where(a => a.id == item.id).Set(a => a.enum_to_string, ToStringMapEnum.abc).ExecuteAffrows());
+			find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enum_to_string == ToStringMapEnum.abc).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(ToStringMapEnum.abc, find.enum_to_string);
+
+			//delete
+			Assert.Equal(0, orm.Delete<EnumTestMap>().Where(a => a.id == item.id && a.enum_to_string == ToStringMapEnum.中国人).ExecuteAffrows());
+			Assert.Equal(0, orm.Delete<EnumTestMap>().Where(a => a.id == item.id && a.enum_to_string == ToStringMapEnum.香港).ExecuteAffrows());
+			Assert.Equal(1, orm.Delete<EnumTestMap>().Where(a => a.id == item.id && a.enum_to_string == ToStringMapEnum.abc).ExecuteAffrows());
+			Assert.Null(orm.Select<EnumTestMap>().Where(a => a.id == item.id).First());
+		}
+		[Fact]
+		public void EnumNullableToString() {
+			//insert
+			var orm = g.oracle;
+			var item = new EnumTestMap { };
+			Assert.Equal(1, orm.Insert<EnumTestMap>().AppendData(item).ExecuteAffrows());
+			var find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_string == null).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enumnullable_to_string, find.enumnullable_to_string);
+			Assert.Null(find.enumnullable_to_string);
+
+			item = new EnumTestMap { enumnullable_to_string = ToStringMapEnum.中国人 };
+			Assert.Equal(1, orm.Insert<EnumTestMap>().AppendData(item).ExecuteAffrows());
+			find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_string == ToStringMapEnum.中国人).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enumnullable_to_string, find.enumnullable_to_string);
+			Assert.Equal(ToStringMapEnum.中国人, find.enumnullable_to_string);
+
+			//update all
+			item.enumnullable_to_string = ToStringMapEnum.香港;
+			Assert.Equal(1, orm.Update<EnumTestMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_string == ToStringMapEnum.香港).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enumnullable_to_string, find.enumnullable_to_string);
+			Assert.Equal(ToStringMapEnum.香港, find.enumnullable_to_string);
+
+			item.enumnullable_to_string = null;
+			Assert.Equal(1, orm.Update<EnumTestMap>().SetSource(item).ExecuteAffrows());
+			Assert.Null(orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_string == ToStringMapEnum.香港).First());
+			find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_string == null).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enumnullable_to_string, find.enumnullable_to_string);
+			Assert.Null(find.enumnullable_to_string);
+
+			//update set
+			Assert.Equal(1, orm.Update<EnumTestMap>().Where(a => a.id == item.id).Set(a => a.enumnullable_to_string, ToStringMapEnum.abc).ExecuteAffrows());
+			find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_string == ToStringMapEnum.abc).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(ToStringMapEnum.abc, find.enumnullable_to_string);
+
+
+			Assert.Equal(1, orm.Update<EnumTestMap>().Where(a => a.id == item.id).Set(a => a.enumnullable_to_string, null).ExecuteAffrows());
+			Assert.Null(orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_string == ToStringMapEnum.abc).First());
+			find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_string == null).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Null(find.enumnullable_to_string);
+
+			//delete
+			Assert.Equal(0, orm.Delete<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_string == ToStringMapEnum.中国人).ExecuteAffrows());
+			Assert.Equal(0, orm.Delete<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_string == ToStringMapEnum.香港).ExecuteAffrows());
+			Assert.Equal(1, orm.Delete<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_string == null).ExecuteAffrows());
+			Assert.Null(orm.Select<EnumTestMap>().Where(a => a.id == item.id).First());
+		}
+
+		[Fact]
+		public void EnumToInt() {
+			//insert
+			var orm = g.oracle;
+			var item = new EnumTestMap { };
+			Assert.Equal(1, orm.Insert<EnumTestMap>().AppendData(item).ExecuteAffrows());
+			var find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enum_to_int == ToStringMapEnum.中国人).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enum_to_int, find.enum_to_int);
+			Assert.Equal(ToStringMapEnum.中国人, find.enum_to_int);
+
+			item = new EnumTestMap { enum_to_int = ToStringMapEnum.abc };
+			Assert.Equal(1, orm.Insert<EnumTestMap>().AppendData(item).ExecuteAffrows());
+			find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enum_to_int == ToStringMapEnum.abc).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enum_to_int, find.enum_to_int);
+			Assert.Equal(ToStringMapEnum.abc, find.enum_to_int);
+
+			//update all
+			item.enum_to_int = ToStringMapEnum.香港;
+			Assert.Equal(1, orm.Update<EnumTestMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enum_to_int == ToStringMapEnum.香港).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enum_to_int, find.enum_to_int);
+			Assert.Equal(ToStringMapEnum.香港, find.enum_to_int);
+
+			item.enum_to_int = ToStringMapEnum.中国人;
+			Assert.Equal(1, orm.Update<EnumTestMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enum_to_int == ToStringMapEnum.中国人).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enum_to_int, find.enum_to_int);
+			Assert.Equal(ToStringMapEnum.中国人, find.enum_to_int);
+
+			//update set
+			Assert.Equal(1, orm.Update<EnumTestMap>().Where(a => a.id == item.id).Set(a => a.enum_to_int, ToStringMapEnum.香港).ExecuteAffrows());
+			find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enum_to_int == ToStringMapEnum.香港).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(ToStringMapEnum.香港, find.enum_to_int);
+
+			Assert.Equal(1, orm.Update<EnumTestMap>().Where(a => a.id == item.id).Set(a => a.enum_to_int, ToStringMapEnum.abc).ExecuteAffrows());
+			find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enum_to_int == ToStringMapEnum.abc).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(ToStringMapEnum.abc, find.enum_to_int);
+
+			//delete
+			Assert.Equal(0, orm.Delete<EnumTestMap>().Where(a => a.id == item.id && a.enum_to_int == ToStringMapEnum.中国人).ExecuteAffrows());
+			Assert.Equal(0, orm.Delete<EnumTestMap>().Where(a => a.id == item.id && a.enum_to_int == ToStringMapEnum.香港).ExecuteAffrows());
+			Assert.Equal(1, orm.Delete<EnumTestMap>().Where(a => a.id == item.id && a.enum_to_int == ToStringMapEnum.abc).ExecuteAffrows());
+			Assert.Null(orm.Select<EnumTestMap>().Where(a => a.id == item.id).First());
+		}
+		[Fact]
+		public void EnumNullableToInt() {
+			//insert
+			var orm = g.oracle;
+			var item = new EnumTestMap { };
+			Assert.Equal(1, orm.Insert<EnumTestMap>().AppendData(item).ExecuteAffrows());
+			var find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_int == null).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enumnullable_to_int, find.enumnullable_to_int);
+			Assert.Null(find.enumnullable_to_int);
+
+			item = new EnumTestMap { enumnullable_to_int = ToStringMapEnum.中国人 };
+			Assert.Equal(1, orm.Insert<EnumTestMap>().AppendData(item).ExecuteAffrows());
+			find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_int == ToStringMapEnum.中国人).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enumnullable_to_int, find.enumnullable_to_int);
+			Assert.Equal(ToStringMapEnum.中国人, find.enumnullable_to_int);
+
+			//update all
+			item.enumnullable_to_int = ToStringMapEnum.香港;
+			Assert.Equal(1, orm.Update<EnumTestMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_int == ToStringMapEnum.香港).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enumnullable_to_int, find.enumnullable_to_int);
+			Assert.Equal(ToStringMapEnum.香港, find.enumnullable_to_int);
+
+			item.enumnullable_to_int = null;
+			Assert.Equal(1, orm.Update<EnumTestMap>().SetSource(item).ExecuteAffrows());
+			Assert.Null(orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_int == ToStringMapEnum.香港).First());
+			find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_int == null).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enumnullable_to_int, find.enumnullable_to_int);
+			Assert.Null(find.enumnullable_to_int);
+
+			//update set
+			Assert.Equal(1, orm.Update<EnumTestMap>().Where(a => a.id == item.id).Set(a => a.enumnullable_to_int, ToStringMapEnum.abc).ExecuteAffrows());
+			find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_int == ToStringMapEnum.abc).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(ToStringMapEnum.abc, find.enumnullable_to_int);
+
+
+			Assert.Equal(1, orm.Update<EnumTestMap>().Where(a => a.id == item.id).Set(a => a.enumnullable_to_int, null).ExecuteAffrows());
+			Assert.Null(orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_int == ToStringMapEnum.abc).First());
+			find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_int == null).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Null(find.enumnullable_to_int);
+
+			//delete
+			Assert.Equal(0, orm.Delete<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_int == ToStringMapEnum.中国人).ExecuteAffrows());
+			Assert.Equal(0, orm.Delete<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_int == ToStringMapEnum.香港).ExecuteAffrows());
+			Assert.Equal(1, orm.Delete<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_int == null).ExecuteAffrows());
+			Assert.Null(orm.Select<EnumTestMap>().Where(a => a.id == item.id).First());
+		}
+	}
+}

FreeSql.Tests/Oracle/MapType/ToStringTest.cs

@@ -0,0 +1,557 @@
+using FreeSql.DataAnnotations;
+using System;
+using System.Numerics;
+using Xunit;
+
+namespace FreeSql.Tests.OracleMapType {
+	public class ToStringTest {
+		class ToStringMap {
+			public Guid id { get; set; }
+
+			[Column(MapType = typeof(string))]
+			public TimeSpan timespan_to_string { get; set; }
+			[Column(MapType = typeof(string))]
+			public TimeSpan? timespannullable_to_string { get; set; }
+
+			[Column(MapType = typeof(string))]
+			public DateTime datetime_to_string { get; set; }
+			[Column(MapType = typeof(string))]
+			public DateTime? datetimenullable_to_string { get; set; }
+
+			[Column(MapType = typeof(string))]
+			public Guid guid_to_string { get; set; }
+			[Column(MapType = typeof(string))]
+			public Guid? guidnullable_to_string { get; set; }
+
+			[Column(MapType = typeof(string))]
+			public ToStringMapEnum enum_to_string { get; set; }
+			[Column(MapType = typeof(string))]
+			public ToStringMapEnum? enumnullable_to_string { get; set; }
+
+			[Column(MapType = typeof(string))]
+			public BigInteger biginteger_to_string { get; set; }
+			[Column(MapType = typeof(string))]
+			public BigInteger? bigintegernullable_to_string { get; set; }
+		}
+		public enum ToStringMapEnum { 中国人, abc, 香港 }
+		[Fact]
+		public void Enum1() {
+			//insert
+			var orm = g.oracle;
+			var item = new ToStringMap { };
+			Assert.Equal(1, orm.Insert<ToStringMap>().AppendData(item).ExecuteAffrows());
+			var find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.enum_to_string == ToStringMapEnum.中国人).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enum_to_string, find.enum_to_string);
+			Assert.Equal(ToStringMapEnum.中国人, find.enum_to_string);
+
+			item = new ToStringMap { enum_to_string = ToStringMapEnum.abc };
+			Assert.Equal(1, orm.Insert<ToStringMap>().AppendData(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.enum_to_string == ToStringMapEnum.abc).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enum_to_string, find.enum_to_string);
+			Assert.Equal(ToStringMapEnum.abc, find.enum_to_string);
+
+			//update all
+			item.enum_to_string = ToStringMapEnum.香港;
+			Assert.Equal(1, orm.Update<ToStringMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.enum_to_string == ToStringMapEnum.香港).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enum_to_string, find.enum_to_string);
+			Assert.Equal(ToStringMapEnum.香港, find.enum_to_string);
+
+			item.enum_to_string = ToStringMapEnum.中国人;
+			Assert.Equal(1, orm.Update<ToStringMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.enum_to_string == ToStringMapEnum.中国人).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enum_to_string, find.enum_to_string);
+			Assert.Equal(ToStringMapEnum.中国人, find.enum_to_string);
+
+			//update set
+			Assert.Equal(1, orm.Update<ToStringMap>().Where(a => a.id == item.id).Set(a => a.enum_to_string, ToStringMapEnum.香港).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.enum_to_string == ToStringMapEnum.香港).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(ToStringMapEnum.香港, find.enum_to_string);
+
+			Assert.Equal(1, orm.Update<ToStringMap>().Where(a => a.id == item.id).Set(a => a.enum_to_string, ToStringMapEnum.abc).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.enum_to_string == ToStringMapEnum.abc).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(ToStringMapEnum.abc, find.enum_to_string);
+
+			//delete
+			Assert.Equal(0, orm.Delete<ToStringMap>().Where(a => a.id == item.id && a.enum_to_string == ToStringMapEnum.中国人).ExecuteAffrows());
+			Assert.Equal(0, orm.Delete<ToStringMap>().Where(a => a.id == item.id && a.enum_to_string == ToStringMapEnum.香港).ExecuteAffrows());
+			Assert.Equal(1, orm.Delete<ToStringMap>().Where(a => a.id == item.id && a.enum_to_string == ToStringMapEnum.abc).ExecuteAffrows());
+			Assert.Null(orm.Select<ToStringMap>().Where(a => a.id == item.id).First());
+		}
+		[Fact]
+		public void EnumNullable() {
+			//insert
+			var orm = g.oracle;
+			var item = new ToStringMap { };
+			Assert.Equal(1, orm.Insert<ToStringMap>().AppendData(item).ExecuteAffrows());
+			var find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.enumnullable_to_string == null).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enumnullable_to_string, find.enumnullable_to_string);
+			Assert.Null(find.enumnullable_to_string);
+
+			item = new ToStringMap { enumnullable_to_string = ToStringMapEnum.中国人 };
+			Assert.Equal(1, orm.Insert<ToStringMap>().AppendData(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.enumnullable_to_string == ToStringMapEnum.中国人).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enumnullable_to_string, find.enumnullable_to_string);
+			Assert.Equal(ToStringMapEnum.中国人, find.enumnullable_to_string);
+
+			//update all
+			item.enumnullable_to_string = ToStringMapEnum.香港;
+			Assert.Equal(1, orm.Update<ToStringMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.enumnullable_to_string == ToStringMapEnum.香港).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enumnullable_to_string, find.enumnullable_to_string);
+			Assert.Equal(ToStringMapEnum.香港, find.enumnullable_to_string);
+
+			item.enumnullable_to_string = null;
+			Assert.Equal(1, orm.Update<ToStringMap>().SetSource(item).ExecuteAffrows());
+			Assert.Null(orm.Select<ToStringMap>().Where(a => a.id == item.id && a.enumnullable_to_string == ToStringMapEnum.香港).First());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.enumnullable_to_string == null).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enumnullable_to_string, find.enumnullable_to_string);
+			Assert.Null(find.enumnullable_to_string);
+
+			//update set
+			Assert.Equal(1, orm.Update<ToStringMap>().Where(a => a.id == item.id).Set(a => a.enumnullable_to_string, ToStringMapEnum.abc).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.enumnullable_to_string == ToStringMapEnum.abc).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(ToStringMapEnum.abc, find.enumnullable_to_string);
+
+
+			Assert.Equal(1, orm.Update<ToStringMap>().Where(a => a.id == item.id).Set(a => a.enumnullable_to_string, null).ExecuteAffrows());
+			Assert.Null(orm.Select<ToStringMap>().Where(a => a.id == item.id && a.enumnullable_to_string == ToStringMapEnum.abc).First());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.enumnullable_to_string == null).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Null(find.enumnullable_to_string);
+
+			//delete
+			Assert.Equal(0, orm.Delete<ToStringMap>().Where(a => a.id == item.id && a.enumnullable_to_string == ToStringMapEnum.中国人).ExecuteAffrows());
+			Assert.Equal(0, orm.Delete<ToStringMap>().Where(a => a.id == item.id && a.enumnullable_to_string == ToStringMapEnum.香港).ExecuteAffrows());
+			Assert.Equal(1, orm.Delete<ToStringMap>().Where(a => a.id == item.id && a.enumnullable_to_string == null).ExecuteAffrows());
+			Assert.Null(orm.Select<ToStringMap>().Where(a => a.id == item.id).First());
+		}
+		[Fact]
+		public void BigInteger1() {
+			//insert
+			var orm = g.oracle;
+			var item = new ToStringMap { };
+			Assert.Equal(1, orm.Insert<ToStringMap>().AppendData(item).ExecuteAffrows());
+			var find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.biginteger_to_string == 0).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.biginteger_to_string, find.biginteger_to_string);
+			Assert.Equal(0, find.biginteger_to_string);
+
+			item = new ToStringMap { biginteger_to_string = 100 };
+			Assert.Equal(1, orm.Insert<ToStringMap>().AppendData(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.biginteger_to_string == 100).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.biginteger_to_string, find.biginteger_to_string);
+			Assert.Equal(100, find.biginteger_to_string);
+
+			//update all
+			item.biginteger_to_string = 200;
+			Assert.Equal(1, orm.Update<ToStringMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.biginteger_to_string == 200).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.biginteger_to_string, find.biginteger_to_string);
+			Assert.Equal(200, find.biginteger_to_string);
+
+			item.biginteger_to_string = 205;
+			Assert.Equal(1, orm.Update<ToStringMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.biginteger_to_string == 205).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.biginteger_to_string, find.biginteger_to_string);
+			Assert.Equal(205, find.biginteger_to_string);
+
+			//update set
+			Assert.Equal(1, orm.Update<ToStringMap>().Where(a => a.id == item.id).Set(a => a.biginteger_to_string, 522).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.biginteger_to_string == 522).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(522, find.biginteger_to_string);
+
+			Assert.Equal(1, orm.Update<ToStringMap>().Where(a => a.id == item.id).Set(a => a.biginteger_to_string, 10005).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.biginteger_to_string == 10005).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(10005, find.biginteger_to_string);
+
+			//delete
+			Assert.Equal(0, orm.Delete<ToStringMap>().Where(a => a.id == item.id && a.biginteger_to_string == 522).ExecuteAffrows());
+			Assert.Equal(0, orm.Delete<ToStringMap>().Where(a => a.id == item.id && a.biginteger_to_string == 205).ExecuteAffrows());
+			Assert.Equal(1, orm.Delete<ToStringMap>().Where(a => a.id == item.id && a.biginteger_to_string == 10005).ExecuteAffrows());
+			Assert.Null(orm.Select<ToStringMap>().Where(a => a.id == item.id).First());
+		}
+		[Fact]
+		public void BigIntegerNullable() {
+			//insert
+			var orm = g.oracle;
+			var item = new ToStringMap { };
+			Assert.Equal(1, orm.Insert<ToStringMap>().AppendData(item).ExecuteAffrows());
+			var find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.bigintegernullable_to_string == null).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.bigintegernullable_to_string, find.bigintegernullable_to_string);
+			Assert.Null(find.bigintegernullable_to_string);
+
+			item = new ToStringMap { bigintegernullable_to_string = 101 };
+			Assert.Equal(1, orm.Insert<ToStringMap>().AppendData(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.bigintegernullable_to_string == 101).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.bigintegernullable_to_string, find.bigintegernullable_to_string);
+			Assert.Equal(101, find.bigintegernullable_to_string);
+
+			//update all
+			item.bigintegernullable_to_string = 2004;
+			Assert.Equal(1, orm.Update<ToStringMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.bigintegernullable_to_string == 2004).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.bigintegernullable_to_string, find.bigintegernullable_to_string);
+			Assert.Equal(2004, find.bigintegernullable_to_string);
+
+			item.bigintegernullable_to_string = null;
+			Assert.Equal(1, orm.Update<ToStringMap>().SetSource(item).ExecuteAffrows());
+			Assert.Null(orm.Select<ToStringMap>().Where(a => a.id == item.id && a.bigintegernullable_to_string == 2004).First());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.bigintegernullable_to_string == null).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.bigintegernullable_to_string, find.bigintegernullable_to_string);
+			Assert.Null(find.bigintegernullable_to_string);
+
+			//update set
+			Assert.Equal(1, orm.Update<ToStringMap>().Where(a => a.id == item.id).Set(a => a.bigintegernullable_to_string, 998).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.bigintegernullable_to_string == 998).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(998, find.bigintegernullable_to_string);
+
+
+			Assert.Equal(1, orm.Update<ToStringMap>().Where(a => a.id == item.id).Set(a => a.bigintegernullable_to_string, null).ExecuteAffrows());
+			Assert.Null(orm.Select<ToStringMap>().Where(a => a.id == item.id && a.bigintegernullable_to_string == 998).First());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.bigintegernullable_to_string == null).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Null(find.bigintegernullable_to_string);
+
+			//delete
+			Assert.Equal(0, orm.Delete<ToStringMap>().Where(a => a.id == item.id && a.bigintegernullable_to_string == 998).ExecuteAffrows());
+			Assert.Equal(0, orm.Delete<ToStringMap>().Where(a => a.id == item.id && a.bigintegernullable_to_string == 2004).ExecuteAffrows());
+			Assert.Equal(1, orm.Delete<ToStringMap>().Where(a => a.id == item.id && a.bigintegernullable_to_string == null).ExecuteAffrows());
+			Assert.Null(orm.Select<ToStringMap>().Where(a => a.id == item.id).First());
+		}
+		[Fact]
+		public void TimeSpan1() {
+			//insert
+			var orm = g.oracle;
+			var item = new ToStringMap { };
+			Assert.Equal(1, orm.Insert<ToStringMap>().AppendData(item).ExecuteAffrows());
+			var find = orm.Select<ToStringMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.timespan_to_string, find.timespan_to_string);
+			Assert.Equal(TimeSpan.Zero, find.timespan_to_string);
+
+			item = new ToStringMap { timespan_to_string = TimeSpan.FromDays(1) };
+			Assert.Equal(1, orm.Insert<ToStringMap>().AppendData(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.timespan_to_string, find.timespan_to_string);
+			Assert.Equal(TimeSpan.FromDays(1), find.timespan_to_string);
+
+			//update all
+			item.timespan_to_string = TimeSpan.FromHours(10);
+			Assert.Equal(1, orm.Update<ToStringMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.timespan_to_string, find.timespan_to_string);
+			Assert.Equal(TimeSpan.FromHours(10), find.timespan_to_string);
+
+			//update set
+			Assert.Equal(1, orm.Update<ToStringMap>().Where(a => a.id == item.id).Set(a => a.timespan_to_string, TimeSpan.FromHours(11)).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(TimeSpan.FromHours(11), find.timespan_to_string);
+
+			//delete
+			Assert.Equal(1, orm.Delete<ToStringMap>().Where(a => a.id == item.id).ExecuteAffrows());
+			Assert.Null(orm.Select<ToStringMap>().Where(a => a.id == item.id).First());
+		}
+		[Fact]
+		public void TimeSpanNullable() {
+			//insert
+			var orm = g.oracle;
+			var item = new ToStringMap { };
+			Assert.Equal(1, orm.Insert<ToStringMap>().AppendData(item).ExecuteAffrows());
+			var find = orm.Select<ToStringMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.timespannullable_to_string, find.timespannullable_to_string);
+			Assert.Null(find.timespannullable_to_string);
+
+			item = new ToStringMap { timespannullable_to_string = TimeSpan.FromDays(1) };
+			Assert.Equal(1, orm.Insert<ToStringMap>().AppendData(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.timespannullable_to_string, find.timespannullable_to_string);
+			Assert.Equal(TimeSpan.FromDays(1), find.timespannullable_to_string);
+
+			//update all
+			item.timespannullable_to_string = TimeSpan.FromHours(10);
+			Assert.Equal(1, orm.Update<ToStringMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.timespannullable_to_string, find.timespannullable_to_string);
+			Assert.Equal(TimeSpan.FromHours(10), find.timespannullable_to_string);
+
+			item.timespannullable_to_string = null;
+			Assert.Equal(1, orm.Update<ToStringMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.timespannullable_to_string, find.timespannullable_to_string);
+			Assert.Null(find.timespannullable_to_string);
+
+			//update set
+			Assert.Equal(1, orm.Update<ToStringMap>().Where(a => a.id == item.id).Set(a => a.timespannullable_to_string, TimeSpan.FromHours(11)).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(TimeSpan.FromHours(11), find.timespannullable_to_string);
+
+			Assert.Equal(1, orm.Update<ToStringMap>().Where(a => a.id == item.id).Set(a => a.timespannullable_to_string, null).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Null(find.timespannullable_to_string);
+
+			//delete
+			Assert.Equal(1, orm.Delete<ToStringMap>().Where(a => a.id == item.id).ExecuteAffrows());
+			Assert.Null(orm.Select<ToStringMap>().Where(a => a.id == item.id).First());
+		}
+		[Fact]
+		public void DateTime1() {
+			//insert
+			var orm = g.oracle;
+			var item = new ToStringMap { };
+			Assert.Equal(1, orm.Insert<ToStringMap>().AppendData(item).ExecuteAffrows());
+			var find = orm.Select<ToStringMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.datetime_to_string, find.datetime_to_string);
+			Assert.Equal(DateTime.MinValue, find.datetime_to_string);
+
+			item = new ToStringMap { datetime_to_string = DateTime.Parse("2000-1-1") };
+			Assert.Equal(1, orm.Insert<ToStringMap>().AppendData(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.datetime_to_string, find.datetime_to_string);
+			Assert.Equal(DateTime.Parse("2000-1-1"), find.datetime_to_string);
+
+			//update all
+			item.datetime_to_string = DateTime.Parse("2000-1-11");
+			Assert.Equal(1, orm.Update<ToStringMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.datetime_to_string, find.datetime_to_string);
+			Assert.Equal(DateTime.Parse("2000-1-11"), find.datetime_to_string);
+
+			//update set
+			Assert.Equal(1, orm.Update<ToStringMap>().Where(a => a.id == item.id).Set(a => a.datetime_to_string, DateTime.Parse("2000-1-12")).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(DateTime.Parse("2000-1-12"), find.datetime_to_string);
+
+			//delete
+			Assert.Equal(1, orm.Delete<ToStringMap>().Where(a => a.id == item.id).ExecuteAffrows());
+			Assert.Null(orm.Select<ToStringMap>().Where(a => a.id == item.id).First());
+		}
+		[Fact]
+		public void DateTimeNullable() {
+			//insert
+			var orm = g.oracle;
+			var item = new ToStringMap { };
+			Assert.Equal(1, orm.Insert<ToStringMap>().AppendData(item).ExecuteAffrows());
+			var find = orm.Select<ToStringMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.datetimenullable_to_string, find.datetimenullable_to_string);
+			Assert.Null(find.datetimenullable_to_string);
+
+			item = new ToStringMap { datetimenullable_to_string = DateTime.Parse("2000-1-1") };
+			Assert.Equal(1, orm.Insert<ToStringMap>().AppendData(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.datetimenullable_to_string, find.datetimenullable_to_string);
+			Assert.Equal(DateTime.Parse("2000-1-1"), find.datetimenullable_to_string);
+
+			//update all
+			item.datetimenullable_to_string = DateTime.Parse("2000-1-11");
+			Assert.Equal(1, orm.Update<ToStringMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.datetimenullable_to_string, find.datetimenullable_to_string);
+			Assert.Equal(DateTime.Parse("2000-1-11"), find.datetimenullable_to_string);
+
+			item.datetimenullable_to_string = null;
+			Assert.Equal(1, orm.Update<ToStringMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.datetimenullable_to_string, find.datetimenullable_to_string);
+			Assert.Null(find.datetimenullable_to_string);
+
+			//update set
+			Assert.Equal(1, orm.Update<ToStringMap>().Where(a => a.id == item.id).Set(a => a.datetimenullable_to_string, DateTime.Parse("2000-1-12")).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(DateTime.Parse("2000-1-12"), find.datetimenullable_to_string);
+
+			Assert.Equal(1, orm.Update<ToStringMap>().Where(a => a.id == item.id).Set(a => a.datetimenullable_to_string, null).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Null(find.datetimenullable_to_string);
+
+			//delete
+			Assert.Equal(1, orm.Delete<ToStringMap>().Where(a => a.id == item.id).ExecuteAffrows());
+			Assert.Null(orm.Select<ToStringMap>().Where(a => a.id == item.id).First());
+		}
+
+		[Fact]
+		public void Guid1() {
+			//insert
+			var orm = g.oracle;
+			var item = new ToStringMap { };
+			Assert.Equal(1, orm.Insert<ToStringMap>().AppendData(item).ExecuteAffrows());
+			var find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.guid_to_string == Guid.Empty).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.guid_to_string, find.guid_to_string);
+			Assert.Equal(Guid.Empty, find.guid_to_string);
+
+			var newid = Guid.NewGuid();
+			item = new ToStringMap { guid_to_string = newid };
+			Assert.Equal(1, orm.Insert<ToStringMap>().AppendData(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.guid_to_string == newid).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.guid_to_string, find.guid_to_string);
+			Assert.Equal(newid, find.guid_to_string);
+
+			//update all
+			newid = Guid.NewGuid();
+			item.guid_to_string = newid;
+			Assert.Equal(1, orm.Update<ToStringMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.guid_to_string == newid).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.guid_to_string, find.guid_to_string);
+			Assert.Equal(newid, find.guid_to_string);
+
+			//update set
+			newid = Guid.NewGuid();
+			Assert.Equal(1, orm.Update<ToStringMap>().Where(a => a.id == item.id).Set(a => a.guid_to_string, newid).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.guid_to_string == newid).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(newid, find.guid_to_string);
+
+			//delete
+			Assert.Equal(1, orm.Delete<ToStringMap>().Where(a => a.id == item.id && a.guid_to_string == newid).ExecuteAffrows());
+			Assert.Null(orm.Select<ToStringMap>().Where(a => a.id == item.id).First());
+		}
+		[Fact]
+		public void GuidNullable() {
+			//insert
+			var orm = g.oracle;
+			var item = new ToStringMap { };
+			Assert.Equal(1, orm.Insert<ToStringMap>().AppendData(item).ExecuteAffrows());
+			var find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.guidnullable_to_string == null).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.guidnullable_to_string, find.guidnullable_to_string);
+			Assert.Null(find.guidnullable_to_string);
+
+			var newid = Guid.NewGuid();
+			item = new ToStringMap { guidnullable_to_string = newid };
+			Assert.Equal(1, orm.Insert<ToStringMap>().AppendData(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.guidnullable_to_string == newid).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.guidnullable_to_string, find.guidnullable_to_string);
+			Assert.Equal(newid, find.guidnullable_to_string);
+
+			//update all
+			newid = Guid.NewGuid();
+			item.guidnullable_to_string = newid;
+			Assert.Equal(1, orm.Update<ToStringMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.guidnullable_to_string == newid).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.guidnullable_to_string, find.guidnullable_to_string);
+			Assert.Equal(newid, find.guidnullable_to_string);
+
+			item.guidnullable_to_string = null;
+			Assert.Equal(1, orm.Update<ToStringMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.guidnullable_to_string == null).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.guidnullable_to_string, find.guidnullable_to_string);
+			Assert.Null(find.guidnullable_to_string);
+
+			//update set
+			newid = Guid.NewGuid();
+			Assert.Equal(1, orm.Update<ToStringMap>().Where(a => a.id == item.id).Set(a => a.guidnullable_to_string, newid).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.guidnullable_to_string == newid).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(newid, find.guidnullable_to_string);
+
+			Assert.Equal(1, orm.Update<ToStringMap>().Where(a => a.id == item.id).Set(a => a.guidnullable_to_string, null).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.guidnullable_to_string == null).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Null(find.guidnullable_to_string);
+
+			//delete
+			Assert.Equal(1, orm.Delete<ToStringMap>().Where(a => a.id == item.id && a.guidnullable_to_string == null).ExecuteAffrows());
+			Assert.Null(orm.Select<ToStringMap>().Where(a => a.id == item.id).First());
+		}
+	}
+}

FreeSql.Tests/Oracle/OracleCodeFirstTest.cs

@@ -9,6 +9,24 @@ using Xunit;
 namespace FreeSql.Tests.Oracle {
 	public class OracleCodeFirstTest {
 
+		[Fact]
+		public void AddUniques() {
+			var sql = g.oracle.CodeFirst.GetComparisonDDLStatements<AddUniquesInfo>();
+			g.oracle.CodeFirst.SyncStructure<AddUniquesInfo>();
+		}
+		[Table(Name = "AddUniquesInfo", OldName = "AddUniquesInfo2")]
+		class AddUniquesInfo {
+			public Guid id { get; set; }
+			[Column(Unique = "uk_phone")]
+			public string phone { get; set; }
+
+			[Column(Unique = "uk_group_index")]
+			public string group { get; set; }
+			[Column(Unique = "uk_group_index11")]
+			public int index { get; set; }
+			[Column(Unique = "uk_group_index222")]
+			public string index22 { get; set; }
+		}
 		[Fact]
 		public void AddField() {
 			var sql = g.oracle.CodeFirst.GetComparisonDDLStatements<TopicAddField>();

FreeSql.Tests/PostgreSQL/MapType/EnumTest.cs

@@ -0,0 +1,254 @@
+using FreeSql.DataAnnotations;
+using System;
+using System.Numerics;
+using Xunit;
+
+namespace FreeSql.Tests.PostgreSQLMapType {
+	public class EnumTest {
+		class EnumTestMap {
+			public Guid id { get; set; }
+
+			[Column(MapType = typeof(string))]
+			public ToStringMapEnum enum_to_string { get; set; }
+			[Column(MapType = typeof(string))]
+			public ToStringMapEnum? enumnullable_to_string { get; set; }
+
+			[Column(MapType = typeof(int))]
+			public ToStringMapEnum enum_to_int { get; set; }
+			[Column(MapType = typeof(int?))]
+			public ToStringMapEnum? enumnullable_to_int { get; set; }
+		}
+		public enum ToStringMapEnum { 中国人, abc, 香港 }
+		[Fact]
+		public void EnumToString() {
+			//insert
+			var orm = g.pgsql;
+			var item = new EnumTestMap { };
+			Assert.Equal(1, orm.Insert<EnumTestMap>().AppendData(item).ExecuteAffrows());
+			var find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enum_to_string == ToStringMapEnum.中国人).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enum_to_string, find.enum_to_string);
+			Assert.Equal(ToStringMapEnum.中国人, find.enum_to_string);
+
+			item = new EnumTestMap { enum_to_string = ToStringMapEnum.abc };
+			Assert.Equal(1, orm.Insert<EnumTestMap>().AppendData(item).ExecuteAffrows());
+			find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enum_to_string == ToStringMapEnum.abc).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enum_to_string, find.enum_to_string);
+			Assert.Equal(ToStringMapEnum.abc, find.enum_to_string);
+
+			//update all
+			item.enum_to_string = ToStringMapEnum.香港;
+			Assert.Equal(1, orm.Update<EnumTestMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enum_to_string == ToStringMapEnum.香港).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enum_to_string, find.enum_to_string);
+			Assert.Equal(ToStringMapEnum.香港, find.enum_to_string);
+
+			item.enum_to_string = ToStringMapEnum.中国人;
+			Assert.Equal(1, orm.Update<EnumTestMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enum_to_string == ToStringMapEnum.中国人).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enum_to_string, find.enum_to_string);
+			Assert.Equal(ToStringMapEnum.中国人, find.enum_to_string);
+
+			//update set
+			Assert.Equal(1, orm.Update<EnumTestMap>().Where(a => a.id == item.id).Set(a => a.enum_to_string, ToStringMapEnum.香港).ExecuteAffrows());
+			find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enum_to_string == ToStringMapEnum.香港).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(ToStringMapEnum.香港, find.enum_to_string);
+
+			Assert.Equal(1, orm.Update<EnumTestMap>().Where(a => a.id == item.id).Set(a => a.enum_to_string, ToStringMapEnum.abc).ExecuteAffrows());
+			find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enum_to_string == ToStringMapEnum.abc).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(ToStringMapEnum.abc, find.enum_to_string);
+
+			//delete
+			Assert.Equal(0, orm.Delete<EnumTestMap>().Where(a => a.id == item.id && a.enum_to_string == ToStringMapEnum.中国人).ExecuteAffrows());
+			Assert.Equal(0, orm.Delete<EnumTestMap>().Where(a => a.id == item.id && a.enum_to_string == ToStringMapEnum.香港).ExecuteAffrows());
+			Assert.Equal(1, orm.Delete<EnumTestMap>().Where(a => a.id == item.id && a.enum_to_string == ToStringMapEnum.abc).ExecuteAffrows());
+			Assert.Null(orm.Select<EnumTestMap>().Where(a => a.id == item.id).First());
+		}
+		[Fact]
+		public void EnumNullableToString() {
+			//insert
+			var orm = g.pgsql;
+			var item = new EnumTestMap { };
+			Assert.Equal(1, orm.Insert<EnumTestMap>().AppendData(item).ExecuteAffrows());
+			var find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_string == null).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enumnullable_to_string, find.enumnullable_to_string);
+			Assert.Null(find.enumnullable_to_string);
+
+			item = new EnumTestMap { enumnullable_to_string = ToStringMapEnum.中国人 };
+			Assert.Equal(1, orm.Insert<EnumTestMap>().AppendData(item).ExecuteAffrows());
+			find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_string == ToStringMapEnum.中国人).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enumnullable_to_string, find.enumnullable_to_string);
+			Assert.Equal(ToStringMapEnum.中国人, find.enumnullable_to_string);
+
+			//update all
+			item.enumnullable_to_string = ToStringMapEnum.香港;
+			Assert.Equal(1, orm.Update<EnumTestMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_string == ToStringMapEnum.香港).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enumnullable_to_string, find.enumnullable_to_string);
+			Assert.Equal(ToStringMapEnum.香港, find.enumnullable_to_string);
+
+			item.enumnullable_to_string = null;
+			Assert.Equal(1, orm.Update<EnumTestMap>().SetSource(item).ExecuteAffrows());
+			Assert.Null(orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_string == ToStringMapEnum.香港).First());
+			find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_string == null).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enumnullable_to_string, find.enumnullable_to_string);
+			Assert.Null(find.enumnullable_to_string);
+
+			//update set
+			Assert.Equal(1, orm.Update<EnumTestMap>().Where(a => a.id == item.id).Set(a => a.enumnullable_to_string, ToStringMapEnum.abc).ExecuteAffrows());
+			find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_string == ToStringMapEnum.abc).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(ToStringMapEnum.abc, find.enumnullable_to_string);
+
+
+			Assert.Equal(1, orm.Update<EnumTestMap>().Where(a => a.id == item.id).Set(a => a.enumnullable_to_string, null).ExecuteAffrows());
+			Assert.Null(orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_string == ToStringMapEnum.abc).First());
+			find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_string == null).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Null(find.enumnullable_to_string);
+
+			//delete
+			Assert.Equal(0, orm.Delete<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_string == ToStringMapEnum.中国人).ExecuteAffrows());
+			Assert.Equal(0, orm.Delete<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_string == ToStringMapEnum.香港).ExecuteAffrows());
+			Assert.Equal(1, orm.Delete<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_string == null).ExecuteAffrows());
+			Assert.Null(orm.Select<EnumTestMap>().Where(a => a.id == item.id).First());
+		}
+
+		[Fact]
+		public void EnumToInt() {
+			//insert
+			var orm = g.pgsql;
+			var item = new EnumTestMap { };
+			Assert.Equal(1, orm.Insert<EnumTestMap>().AppendData(item).ExecuteAffrows());
+			var find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enum_to_int == ToStringMapEnum.中国人).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enum_to_int, find.enum_to_int);
+			Assert.Equal(ToStringMapEnum.中国人, find.enum_to_int);
+
+			item = new EnumTestMap { enum_to_int = ToStringMapEnum.abc };
+			Assert.Equal(1, orm.Insert<EnumTestMap>().AppendData(item).ExecuteAffrows());
+			find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enum_to_int == ToStringMapEnum.abc).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enum_to_int, find.enum_to_int);
+			Assert.Equal(ToStringMapEnum.abc, find.enum_to_int);
+
+			//update all
+			item.enum_to_int = ToStringMapEnum.香港;
+			Assert.Equal(1, orm.Update<EnumTestMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enum_to_int == ToStringMapEnum.香港).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enum_to_int, find.enum_to_int);
+			Assert.Equal(ToStringMapEnum.香港, find.enum_to_int);
+
+			item.enum_to_int = ToStringMapEnum.中国人;
+			Assert.Equal(1, orm.Update<EnumTestMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enum_to_int == ToStringMapEnum.中国人).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enum_to_int, find.enum_to_int);
+			Assert.Equal(ToStringMapEnum.中国人, find.enum_to_int);
+
+			//update set
+			Assert.Equal(1, orm.Update<EnumTestMap>().Where(a => a.id == item.id).Set(a => a.enum_to_int, ToStringMapEnum.香港).ExecuteAffrows());
+			find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enum_to_int == ToStringMapEnum.香港).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(ToStringMapEnum.香港, find.enum_to_int);
+
+			Assert.Equal(1, orm.Update<EnumTestMap>().Where(a => a.id == item.id).Set(a => a.enum_to_int, ToStringMapEnum.abc).ExecuteAffrows());
+			find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enum_to_int == ToStringMapEnum.abc).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(ToStringMapEnum.abc, find.enum_to_int);
+
+			//delete
+			Assert.Equal(0, orm.Delete<EnumTestMap>().Where(a => a.id == item.id && a.enum_to_int == ToStringMapEnum.中国人).ExecuteAffrows());
+			Assert.Equal(0, orm.Delete<EnumTestMap>().Where(a => a.id == item.id && a.enum_to_int == ToStringMapEnum.香港).ExecuteAffrows());
+			Assert.Equal(1, orm.Delete<EnumTestMap>().Where(a => a.id == item.id && a.enum_to_int == ToStringMapEnum.abc).ExecuteAffrows());
+			Assert.Null(orm.Select<EnumTestMap>().Where(a => a.id == item.id).First());
+		}
+		[Fact]
+		public void EnumNullableToInt() {
+			//insert
+			var orm = g.pgsql;
+			var item = new EnumTestMap { };
+			Assert.Equal(1, orm.Insert<EnumTestMap>().AppendData(item).ExecuteAffrows());
+			var find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_int == null).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enumnullable_to_int, find.enumnullable_to_int);
+			Assert.Null(find.enumnullable_to_int);
+
+			item = new EnumTestMap { enumnullable_to_int = ToStringMapEnum.中国人 };
+			Assert.Equal(1, orm.Insert<EnumTestMap>().AppendData(item).ExecuteAffrows());
+			find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_int == ToStringMapEnum.中国人).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enumnullable_to_int, find.enumnullable_to_int);
+			Assert.Equal(ToStringMapEnum.中国人, find.enumnullable_to_int);
+
+			//update all
+			item.enumnullable_to_int = ToStringMapEnum.香港;
+			Assert.Equal(1, orm.Update<EnumTestMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_int == ToStringMapEnum.香港).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enumnullable_to_int, find.enumnullable_to_int);
+			Assert.Equal(ToStringMapEnum.香港, find.enumnullable_to_int);
+
+			item.enumnullable_to_int = null;
+			Assert.Equal(1, orm.Update<EnumTestMap>().SetSource(item).ExecuteAffrows());
+			Assert.Null(orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_int == ToStringMapEnum.香港).First());
+			find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_int == null).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enumnullable_to_int, find.enumnullable_to_int);
+			Assert.Null(find.enumnullable_to_int);
+
+			//update set
+			Assert.Equal(1, orm.Update<EnumTestMap>().Where(a => a.id == item.id).Set(a => a.enumnullable_to_int, ToStringMapEnum.abc).ExecuteAffrows());
+			find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_int == ToStringMapEnum.abc).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(ToStringMapEnum.abc, find.enumnullable_to_int);
+
+
+			Assert.Equal(1, orm.Update<EnumTestMap>().Where(a => a.id == item.id).Set(a => a.enumnullable_to_int, null).ExecuteAffrows());
+			Assert.Null(orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_int == ToStringMapEnum.abc).First());
+			find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_int == null).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Null(find.enumnullable_to_int);
+
+			//delete
+			Assert.Equal(0, orm.Delete<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_int == ToStringMapEnum.中国人).ExecuteAffrows());
+			Assert.Equal(0, orm.Delete<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_int == ToStringMapEnum.香港).ExecuteAffrows());
+			Assert.Equal(1, orm.Delete<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_int == null).ExecuteAffrows());
+			Assert.Null(orm.Select<EnumTestMap>().Where(a => a.id == item.id).First());
+		}
+	}
+}

FreeSql.Tests/PostgreSQL/MapType/JTokenTest.cs

@@ -0,0 +1,424 @@
+using FreeSql.DataAnnotations;
+using Newtonsoft.Json.Linq;
+using System;
+using System.Linq;
+using Xunit;
+
+namespace FreeSql.Tests.PostgreSQLMapType {
+	public class JTokenTest {
+		class JTokenTestMap {
+			public Guid id { get; set; }
+
+			[Column(MapType = typeof(JToken))]
+			public string string_to_jtoken { get; set; }
+			[Column(MapType = typeof(JArray))]
+			public string string_to_jarray { get; set; }
+			[Column(MapType = typeof(JObject))]
+			public string string_to_jobject { get; set; }
+
+			[Column(MapType = typeof(string))]
+			public JToken jtoken_to_string { get; set; }
+			[Column(MapType = typeof(string))]
+			public JArray jarray_to_string { get; set; }
+			[Column(MapType = typeof(string))]
+			public JObject jobject_to_string { get; set; }
+		}
+		[Fact]
+		public void JTokenWithObjectToString() {
+			//insert
+			var orm = g.pgsql;
+			var item = new JTokenTestMap { };
+			Assert.Equal(1, orm.Insert<JTokenTestMap>().AppendData(item).ExecuteAffrows());
+			var find = orm.Select<JTokenTestMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Null(find.jtoken_to_string);
+
+			var json = JToken.FromObject(new { test1 = 1, test2 = "222" });
+			item = new JTokenTestMap { jtoken_to_string = json };
+			Assert.Equal(1, orm.Insert<JTokenTestMap>().AppendData(item).ExecuteAffrows());
+			find = orm.Select<JTokenTestMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(json, find.jtoken_to_string);
+
+			//update
+			json = JToken.FromObject(new { test2 = 33, test3 = "333" });
+			item.jtoken_to_string = json;
+			Assert.Equal(1, orm.Update<JTokenTestMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<JTokenTestMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(json, find.jtoken_to_string);
+
+			item.jtoken_to_string = null;
+			Assert.Equal(1, orm.Update<JTokenTestMap>().SetSource(item).ExecuteAffrows());
+			Assert.Null(orm.Select<JTokenTestMap>().Where(a => a.id == item.id && a.jtoken_to_string == json).First());
+			find = orm.Select<JTokenTestMap>().Where(a => a.id == item.id && a.jtoken_to_string == null).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Null(find.jtoken_to_string);
+
+			//update set
+			json = JToken.FromObject(new { testa = 455, test31 = "666" });
+			Assert.Equal(1, orm.Update<JTokenTestMap>().Where(a => a.id == item.id).Set(a => a.jtoken_to_string, json).ExecuteAffrows());
+			find = orm.Select<JTokenTestMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(json, find.jtoken_to_string);
+
+			Assert.Equal(1, orm.Update<JTokenTestMap>().Where(a => a.id == item.id).Set(a => a.jtoken_to_string, null).ExecuteAffrows());
+			Assert.Null(orm.Select<JTokenTestMap>().Where(a => a.id == item.id && a.jtoken_to_string == json).First());
+			find = orm.Select<JTokenTestMap>().Where(a => a.id == item.id && a.jtoken_to_string == null).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Null(find.jtoken_to_string);
+
+			//delete
+			Assert.Equal(0, orm.Delete<JTokenTestMap>().Where(a => a.id == item.id && a.jtoken_to_string == json).ExecuteAffrows());
+			Assert.Equal(1, orm.Delete<JTokenTestMap>().Where(a => a.id == item.id && a.jtoken_to_string == null).ExecuteAffrows());
+			Assert.Null(orm.Select<JTokenTestMap>().Where(a => a.id == item.id).First());
+		}
+		[Fact]
+		public void JTokenWithArrayToString() {
+			//insert
+			var orm = g.pgsql;
+			var item = new JTokenTestMap { };
+			Assert.Equal(1, orm.Insert<JTokenTestMap>().AppendData(item).ExecuteAffrows());
+			var find = orm.Select<JTokenTestMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Null(find.jtoken_to_string);
+
+			var json = JArray.FromObject(new[] { "a", "b" });
+			item = new JTokenTestMap { jtoken_to_string = json };
+			Assert.Equal(1, orm.Insert<JTokenTestMap>().AppendData(item).ExecuteAffrows());
+			find = orm.Select<JTokenTestMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(json, find.jtoken_to_string);
+
+			//update
+			json = JArray.FromObject(new[] { "333", "zzz" });
+			item.jtoken_to_string = json;
+			Assert.Equal(1, orm.Update<JTokenTestMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<JTokenTestMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(json, find.jtoken_to_string);
+
+			item.jtoken_to_string = null;
+			Assert.Equal(1, orm.Update<JTokenTestMap>().SetSource(item).ExecuteAffrows());
+			Assert.Null(orm.Select<JTokenTestMap>().Where(a => a.id == item.id && a.jtoken_to_string == json).First());
+			find = orm.Select<JTokenTestMap>().Where(a => a.id == item.id && a.jtoken_to_string == null).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Null(find.jtoken_to_string);
+
+			//update set
+			json = JArray.FromObject(new[] { "zxzz", "sdfsdf" });
+			Assert.Equal(1, orm.Update<JTokenTestMap>().Where(a => a.id == item.id).Set(a => a.jtoken_to_string, json).ExecuteAffrows());
+			find = orm.Select<JTokenTestMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(json, find.jtoken_to_string);
+
+			Assert.Equal(1, orm.Update<JTokenTestMap>().Where(a => a.id == item.id).Set(a => a.jtoken_to_string, null).ExecuteAffrows());
+			Assert.Null(orm.Select<JTokenTestMap>().Where(a => a.id == item.id && a.jtoken_to_string == json).First());
+			find = orm.Select<JTokenTestMap>().Where(a => a.id == item.id && a.jtoken_to_string == null).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Null(find.jtoken_to_string);
+
+			//delete
+			Assert.Equal(0, orm.Delete<JTokenTestMap>().Where(a => a.id == item.id && a.jtoken_to_string == json).ExecuteAffrows());
+			Assert.Equal(1, orm.Delete<JTokenTestMap>().Where(a => a.id == item.id && a.jtoken_to_string == null).ExecuteAffrows());
+			Assert.Null(orm.Select<JTokenTestMap>().Where(a => a.id == item.id).First());
+		}
+
+		[Fact]
+		public void JArrayToString() {
+			//insert
+			var orm = g.pgsql;
+			var item = new JTokenTestMap { };
+			Assert.Equal(1, orm.Insert<JTokenTestMap>().AppendData(item).ExecuteAffrows());
+			var find = orm.Select<JTokenTestMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Null(find.jarray_to_string);
+
+			var json = JArray.FromObject(new[] { "a", "b" });
+			item = new JTokenTestMap { jarray_to_string = json };
+			Assert.Equal(1, orm.Insert<JTokenTestMap>().AppendData(item).ExecuteAffrows());
+			find = orm.Select<JTokenTestMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(json, find.jarray_to_string);
+
+			//update
+			json = JArray.FromObject(new[] { "333", "zzz" });
+			item.jarray_to_string = json;
+			Assert.Equal(1, orm.Update<JTokenTestMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<JTokenTestMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(json, find.jarray_to_string);
+
+			item.jarray_to_string = null;
+			Assert.Equal(1, orm.Update<JTokenTestMap>().SetSource(item).ExecuteAffrows());
+			Assert.Null(orm.Select<JTokenTestMap>().Where(a => a.id == item.id && a.jarray_to_string == json).First());
+			find = orm.Select<JTokenTestMap>().Where(a => a.id == item.id && a.jarray_to_string == null).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Null(find.jarray_to_string);
+
+			//update set
+			json = JArray.FromObject(new[] { "zxzz", "sdfsdf" });
+			Assert.Equal(1, orm.Update<JTokenTestMap>().Where(a => a.id == item.id).Set(a => a.jarray_to_string, json).ExecuteAffrows());
+			find = orm.Select<JTokenTestMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(json, find.jarray_to_string);
+
+			Assert.Equal(1, orm.Update<JTokenTestMap>().Where(a => a.id == item.id).Set(a => a.jarray_to_string, null).ExecuteAffrows());
+			Assert.Null(orm.Select<JTokenTestMap>().Where(a => a.id == item.id && a.jarray_to_string == json).First());
+			find = orm.Select<JTokenTestMap>().Where(a => a.id == item.id && a.jarray_to_string == null).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Null(find.jarray_to_string);
+
+			//delete
+			Assert.Equal(0, orm.Delete<JTokenTestMap>().Where(a => a.id == item.id && a.jarray_to_string == json).ExecuteAffrows());
+			Assert.Equal(1, orm.Delete<JTokenTestMap>().Where(a => a.id == item.id && a.jarray_to_string == null).ExecuteAffrows());
+			Assert.Null(orm.Select<JTokenTestMap>().Where(a => a.id == item.id).First());
+		}
+		[Fact]
+		public void JObjectToString() {
+			//insert
+			var orm = g.pgsql;
+			var item = new JTokenTestMap { };
+			Assert.Equal(1, orm.Insert<JTokenTestMap>().AppendData(item).ExecuteAffrows());
+			var find = orm.Select<JTokenTestMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Null(find.jobject_to_string);
+
+			var json = JObject.FromObject(new { test1 = 1, test2 = "222" });
+			item = new JTokenTestMap { jobject_to_string = json };
+			Assert.Equal(1, orm.Insert<JTokenTestMap>().AppendData(item).ExecuteAffrows());
+			find = orm.Select<JTokenTestMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(json, find.jobject_to_string);
+
+			//update
+			json = JObject.FromObject(new { test2 = 33, test3 = "333" });
+			item.jobject_to_string = json;
+			Assert.Equal(1, orm.Update<JTokenTestMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<JTokenTestMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(json, find.jobject_to_string);
+
+			item.jobject_to_string = null;
+			Assert.Equal(1, orm.Update<JTokenTestMap>().SetSource(item).ExecuteAffrows());
+			Assert.Null(orm.Select<JTokenTestMap>().Where(a => a.id == item.id && a.jobject_to_string == json).First());
+			find = orm.Select<JTokenTestMap>().Where(a => a.id == item.id && a.jobject_to_string == null).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Null(find.jobject_to_string);
+
+			//update set
+			json = JObject.FromObject(new { testa = 455, test31 = "666" });
+			Assert.Equal(1, orm.Update<JTokenTestMap>().Where(a => a.id == item.id).Set(a => a.jobject_to_string, json).ExecuteAffrows());
+			find = orm.Select<JTokenTestMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(json, find.jobject_to_string);
+
+			Assert.Equal(1, orm.Update<JTokenTestMap>().Where(a => a.id == item.id).Set(a => a.jobject_to_string, null).ExecuteAffrows());
+			Assert.Null(orm.Select<JTokenTestMap>().Where(a => a.id == item.id && a.jobject_to_string == json).First());
+			find = orm.Select<JTokenTestMap>().Where(a => a.id == item.id && a.jobject_to_string == null).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Null(find.jobject_to_string);
+
+			//delete
+			Assert.Equal(0, orm.Delete<JTokenTestMap>().Where(a => a.id == item.id && a.jobject_to_string == json).ExecuteAffrows());
+			Assert.Equal(1, orm.Delete<JTokenTestMap>().Where(a => a.id == item.id && a.jobject_to_string == null).ExecuteAffrows());
+			Assert.Null(orm.Select<JTokenTestMap>().Where(a => a.id == item.id).First());
+		}
+
+		[Fact]
+		public void StringToJToken() {
+			//insert
+			var orm = g.pgsql;
+			var item = new JTokenTestMap { };
+			Assert.Equal(1, orm.Insert<JTokenTestMap>().AppendData(item).ExecuteAffrows());
+			var find = orm.Select<JTokenTestMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Null(find.string_to_jtoken);
+
+			var json = JToken.FromObject(new { test1 = 1, test2 = "222" });
+			var whereJson = JToken.FromObject(new { test2 = "222" });
+			item = new JTokenTestMap { string_to_jtoken = json.ToString() };
+			Assert.Equal(1, orm.Insert<JTokenTestMap>().AppendData(item).ExecuteAffrows());
+			find = orm.Select<JTokenTestMap>().Where(a => a.id == item.id && JToken.Parse(a.string_to_jtoken).Contains(whereJson)).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(json["test2"], JToken.Parse(find.string_to_jtoken)["test2"]);
+
+			//update
+			json = JToken.FromObject(new { test2 = 33, test3 = "333" });
+			whereJson = JToken.FromObject(new { test3 = "333" });
+			item.string_to_jtoken = json.ToString();
+			Assert.Equal(1, orm.Update<JTokenTestMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<JTokenTestMap>().Where(a => a.id == item.id && JToken.Parse(a.string_to_jtoken).Contains(whereJson)).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(json["test3"], JToken.Parse(find.string_to_jtoken)["test3"]);
+
+			item.string_to_jtoken = null;
+			Assert.Equal(1, orm.Update<JTokenTestMap>().SetSource(item).ExecuteAffrows());
+			Assert.Null(orm.Select<JTokenTestMap>().Where(a => a.id == item.id && JToken.Parse(a.string_to_jtoken).Contains(whereJson)).First());
+			find = orm.Select<JTokenTestMap>().Where(a => a.id == item.id && a.string_to_jtoken == null).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Null(find.string_to_jtoken);
+
+			//update set
+			json = JToken.FromObject(new { testa = 455, test31 = "666" });
+			whereJson = JToken.FromObject(new { test31 = "666" });
+			Assert.Equal(1, orm.Update<JTokenTestMap>().Where(a => a.id == item.id).Set(a => a.string_to_jtoken, json.ToString()).ExecuteAffrows());
+			find = orm.Select<JTokenTestMap>().Where(a => a.id == item.id && JToken.Parse(a.string_to_jtoken).Contains(whereJson)).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(json["test31"], JToken.Parse(find.string_to_jtoken)["test31"]);
+
+			Assert.Equal(1, orm.Update<JTokenTestMap>().Where(a => a.id == item.id).Set(a => a.string_to_jtoken, null).ExecuteAffrows());
+			Assert.Null(orm.Select<JTokenTestMap>().Where(a => a.id == item.id && JToken.Parse(a.string_to_jtoken).Contains(whereJson)).First());
+			find = orm.Select<JTokenTestMap>().Where(a => a.id == item.id && a.string_to_jtoken == null).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Null(find.string_to_jtoken);
+
+			//delete
+			Assert.Equal(0, orm.Delete<JTokenTestMap>().Where(a => a.id == item.id && JToken.Parse(a.string_to_jtoken).Contains(whereJson)).ExecuteAffrows());
+			Assert.Equal(1, orm.Delete<JTokenTestMap>().Where(a => a.id == item.id && a.string_to_jtoken == null).ExecuteAffrows());
+			Assert.Null(orm.Select<JTokenTestMap>().Where(a => a.id == item.id).First());
+		}
+		[Fact]
+		public void StringToJObject() {
+			//insert
+			var orm = g.pgsql;
+			var item = new JTokenTestMap { };
+			Assert.Equal(1, orm.Insert<JTokenTestMap>().AppendData(item).ExecuteAffrows());
+			var find = orm.Select<JTokenTestMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Null(find.string_to_jobject);
+
+			var json = JObject.FromObject(new { test1 = 1, test2 = "222" });
+			item = new JTokenTestMap { string_to_jobject = json.ToString() };
+			Assert.Equal(1, orm.Insert<JTokenTestMap>().AppendData(item).ExecuteAffrows());
+			find = orm.Select<JTokenTestMap>().Where(a => a.id == item.id && JObject.Parse(a.string_to_jobject).ContainsKey("test1")).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(json["test2"], JObject.Parse(find.string_to_jobject)["test2"]);
+
+			//update
+			json = JObject.FromObject(new { test2 = 33, test3 = "333" });
+			item.string_to_jobject = json.ToString();
+			Assert.Equal(1, orm.Update<JTokenTestMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<JTokenTestMap>().Where(a => a.id == item.id && JObject.Parse(a.string_to_jobject).ContainsKey("test3")).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(json["test3"], JObject.Parse(find.string_to_jobject)["test3"]);
+
+			item.string_to_jobject = null;
+			Assert.Equal(1, orm.Update<JTokenTestMap>().SetSource(item).ExecuteAffrows());
+			Assert.Null(orm.Select<JTokenTestMap>().Where(a => a.id == item.id && JObject.Parse(a.string_to_jobject).ContainsKey("test3")).First());
+			find = orm.Select<JTokenTestMap>().Where(a => a.id == item.id && a.string_to_jobject == null).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Null(find.string_to_jobject);
+
+			//update set
+			json = JObject.FromObject(new { testa = 455, test31 = "666" });
+			Assert.Equal(1, orm.Update<JTokenTestMap>().Where(a => a.id == item.id).Set(a => a.string_to_jobject, json.ToString()).ExecuteAffrows());
+			find = orm.Select<JTokenTestMap>().Where(a => a.id == item.id && JObject.Parse(a.string_to_jobject).ContainsKey("test31")).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(json["test31"], JObject.Parse(find.string_to_jobject)["test31"]);
+
+			Assert.Equal(1, orm.Update<JTokenTestMap>().Where(a => a.id == item.id).Set(a => a.string_to_jobject, null).ExecuteAffrows());
+			Assert.Null(orm.Select<JTokenTestMap>().Where(a => a.id == item.id && JObject.Parse(a.string_to_jobject).ContainsKey("test31")).First());
+			find = orm.Select<JTokenTestMap>().Where(a => a.id == item.id && a.string_to_jobject == null).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Null(find.string_to_jobject);
+
+			//delete
+			Assert.Equal(0, orm.Delete<JTokenTestMap>().Where(a => a.id == item.id && JObject.Parse(a.string_to_jobject).ContainsKey("test31")).ExecuteAffrows());
+			Assert.Equal(1, orm.Delete<JTokenTestMap>().Where(a => a.id == item.id && a.string_to_jobject == null).ExecuteAffrows());
+			Assert.Null(orm.Select<JTokenTestMap>().Where(a => a.id == item.id).First());
+		}
+		[Fact]
+		public void StringToJArray() {
+			//insert
+			var orm = g.pgsql;
+			var item = new JTokenTestMap { };
+			Assert.Equal(1, orm.Insert<JTokenTestMap>().AppendData(item).ExecuteAffrows());
+			var find = orm.Select<JTokenTestMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Null(find.string_to_jarray);
+
+			var json = JArray.FromObject(new[] { "aa", "bb" });
+			item = new JTokenTestMap { string_to_jarray = json.ToString() };
+			Assert.Equal(1, orm.Insert<JTokenTestMap>().AppendData(item).ExecuteAffrows());
+			find = orm.Select<JTokenTestMap>().Where(a => a.id == item.id && JArray.Parse(a.string_to_jarray).Contains("bb")).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(json[1], JArray.Parse(find.string_to_jarray)[1]);
+
+			//update
+			json = JArray.FromObject(new[] { "aa", "dddd" });
+			item.string_to_jarray = json.ToString();
+			Assert.Equal(1, orm.Update<JTokenTestMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<JTokenTestMap>().Where(a => a.id == item.id && JArray.Parse(a.string_to_jarray).Contains("dddd")).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(json[1], JArray.Parse(find.string_to_jarray)[1]);
+
+			item.string_to_jarray = null;
+			Assert.Equal(1, orm.Update<JTokenTestMap>().SetSource(item).ExecuteAffrows());
+			Assert.Null(orm.Select<JTokenTestMap>().Where(a => a.id == item.id && JArray.Parse(a.string_to_jarray).Contains("dddd")).First());
+			find = orm.Select<JTokenTestMap>().Where(a => a.id == item.id && a.string_to_jarray == null).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Null(find.string_to_jarray);
+
+			//update set
+			json = JArray.FromObject(new[] { "aa", "bdfdfb" });
+			Assert.Equal(1, orm.Update<JTokenTestMap>().Where(a => a.id == item.id).Set(a => a.string_to_jarray, json.ToString()).ExecuteAffrows());
+			find = orm.Select<JTokenTestMap>().Where(a => a.id == item.id && JArray.Parse(a.string_to_jarray).Contains("bdfdfb")).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(json[1], JArray.Parse(find.string_to_jarray)[1]);
+
+			Assert.Equal(1, orm.Update<JTokenTestMap>().Where(a => a.id == item.id).Set(a => a.string_to_jarray, null).ExecuteAffrows());
+			Assert.Null(orm.Select<JTokenTestMap>().Where(a => a.id == item.id && JArray.Parse(a.string_to_jarray).Contains("bdfdfb")).First());
+			find = orm.Select<JTokenTestMap>().Where(a => a.id == item.id && a.string_to_jarray == null).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Null(find.string_to_jarray);
+
+			//delete
+			Assert.Equal(0, orm.Delete<JTokenTestMap>().Where(a => a.id == item.id && JArray.Parse(a.string_to_jarray).Contains("bdfdfb")).ExecuteAffrows());
+			Assert.Equal(1, orm.Delete<JTokenTestMap>().Where(a => a.id == item.id && a.string_to_jarray == null).ExecuteAffrows());
+			Assert.Null(orm.Select<JTokenTestMap>().Where(a => a.id == item.id).First());
+		}
+	}
+}

FreeSql.Tests/PostgreSQL/MapType/ToStringTest.cs

@@ -0,0 +1,557 @@
+using FreeSql.DataAnnotations;
+using System;
+using System.Numerics;
+using Xunit;
+
+namespace FreeSql.Tests.PostgreSQLMapType {
+	public class ToStringTest {
+		class ToStringMap {
+			public Guid id { get; set; }
+
+			[Column(MapType = typeof(string))]
+			public TimeSpan timespan_to_string { get; set; }
+			[Column(MapType = typeof(string))]
+			public TimeSpan? timespannullable_to_string { get; set; }
+
+			[Column(MapType = typeof(string))]
+			public DateTime datetime_to_string { get; set; }
+			[Column(MapType = typeof(string))]
+			public DateTime? datetimenullable_to_string { get; set; }
+
+			[Column(MapType = typeof(string))]
+			public Guid guid_to_string { get; set; }
+			[Column(MapType = typeof(string))]
+			public Guid? guidnullable_to_string { get; set; }
+
+			[Column(MapType = typeof(string))]
+			public ToStringMapEnum enum_to_string { get; set; }
+			[Column(MapType = typeof(string))]
+			public ToStringMapEnum? enumnullable_to_string { get; set; }
+
+			[Column(MapType = typeof(string))]
+			public BigInteger biginteger_to_string { get; set; }
+			[Column(MapType = typeof(string))]
+			public BigInteger? bigintegernullable_to_string { get; set; }
+		}
+		public enum ToStringMapEnum { 中国人, abc, 香港 }
+		[Fact]
+		public void Enum1() {
+			//insert
+			var orm = g.pgsql;
+			var item = new ToStringMap { };
+			Assert.Equal(1, orm.Insert<ToStringMap>().AppendData(item).ExecuteAffrows());
+			var find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.enum_to_string == ToStringMapEnum.中国人).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enum_to_string, find.enum_to_string);
+			Assert.Equal(ToStringMapEnum.中国人, find.enum_to_string);
+
+			item = new ToStringMap { enum_to_string = ToStringMapEnum.abc };
+			Assert.Equal(1, orm.Insert<ToStringMap>().AppendData(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.enum_to_string == ToStringMapEnum.abc).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enum_to_string, find.enum_to_string);
+			Assert.Equal(ToStringMapEnum.abc, find.enum_to_string);
+
+			//update all
+			item.enum_to_string = ToStringMapEnum.香港;
+			Assert.Equal(1, orm.Update<ToStringMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.enum_to_string == ToStringMapEnum.香港).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enum_to_string, find.enum_to_string);
+			Assert.Equal(ToStringMapEnum.香港, find.enum_to_string);
+
+			item.enum_to_string = ToStringMapEnum.中国人;
+			Assert.Equal(1, orm.Update<ToStringMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.enum_to_string == ToStringMapEnum.中国人).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enum_to_string, find.enum_to_string);
+			Assert.Equal(ToStringMapEnum.中国人, find.enum_to_string);
+
+			//update set
+			Assert.Equal(1, orm.Update<ToStringMap>().Where(a => a.id == item.id).Set(a => a.enum_to_string, ToStringMapEnum.香港).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.enum_to_string == ToStringMapEnum.香港).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(ToStringMapEnum.香港, find.enum_to_string);
+
+			Assert.Equal(1, orm.Update<ToStringMap>().Where(a => a.id == item.id).Set(a => a.enum_to_string, ToStringMapEnum.abc).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.enum_to_string == ToStringMapEnum.abc).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(ToStringMapEnum.abc, find.enum_to_string);
+
+			//delete
+			Assert.Equal(0, orm.Delete<ToStringMap>().Where(a => a.id == item.id && a.enum_to_string == ToStringMapEnum.中国人).ExecuteAffrows());
+			Assert.Equal(0, orm.Delete<ToStringMap>().Where(a => a.id == item.id && a.enum_to_string == ToStringMapEnum.香港).ExecuteAffrows());
+			Assert.Equal(1, orm.Delete<ToStringMap>().Where(a => a.id == item.id && a.enum_to_string == ToStringMapEnum.abc).ExecuteAffrows());
+			Assert.Null(orm.Select<ToStringMap>().Where(a => a.id == item.id).First());
+		}
+		[Fact]
+		public void EnumNullable() {
+			//insert
+			var orm = g.pgsql;
+			var item = new ToStringMap { };
+			Assert.Equal(1, orm.Insert<ToStringMap>().AppendData(item).ExecuteAffrows());
+			var find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.enumnullable_to_string == null).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enumnullable_to_string, find.enumnullable_to_string);
+			Assert.Null(find.enumnullable_to_string);
+
+			item = new ToStringMap { enumnullable_to_string = ToStringMapEnum.中国人 };
+			Assert.Equal(1, orm.Insert<ToStringMap>().AppendData(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.enumnullable_to_string == ToStringMapEnum.中国人).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enumnullable_to_string, find.enumnullable_to_string);
+			Assert.Equal(ToStringMapEnum.中国人, find.enumnullable_to_string);
+
+			//update all
+			item.enumnullable_to_string = ToStringMapEnum.香港;
+			Assert.Equal(1, orm.Update<ToStringMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.enumnullable_to_string == ToStringMapEnum.香港).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enumnullable_to_string, find.enumnullable_to_string);
+			Assert.Equal(ToStringMapEnum.香港, find.enumnullable_to_string);
+
+			item.enumnullable_to_string = null;
+			Assert.Equal(1, orm.Update<ToStringMap>().SetSource(item).ExecuteAffrows());
+			Assert.Null(orm.Select<ToStringMap>().Where(a => a.id == item.id && a.enumnullable_to_string == ToStringMapEnum.香港).First());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.enumnullable_to_string == null).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enumnullable_to_string, find.enumnullable_to_string);
+			Assert.Null(find.enumnullable_to_string);
+
+			//update set
+			Assert.Equal(1, orm.Update<ToStringMap>().Where(a => a.id == item.id).Set(a => a.enumnullable_to_string, ToStringMapEnum.abc).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.enumnullable_to_string == ToStringMapEnum.abc).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(ToStringMapEnum.abc, find.enumnullable_to_string);
+
+
+			Assert.Equal(1, orm.Update<ToStringMap>().Where(a => a.id == item.id).Set(a => a.enumnullable_to_string, null).ExecuteAffrows());
+			Assert.Null(orm.Select<ToStringMap>().Where(a => a.id == item.id && a.enumnullable_to_string == ToStringMapEnum.abc).First());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.enumnullable_to_string == null).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Null(find.enumnullable_to_string);
+
+			//delete
+			Assert.Equal(0, orm.Delete<ToStringMap>().Where(a => a.id == item.id && a.enumnullable_to_string == ToStringMapEnum.中国人).ExecuteAffrows());
+			Assert.Equal(0, orm.Delete<ToStringMap>().Where(a => a.id == item.id && a.enumnullable_to_string == ToStringMapEnum.香港).ExecuteAffrows());
+			Assert.Equal(1, orm.Delete<ToStringMap>().Where(a => a.id == item.id && a.enumnullable_to_string == null).ExecuteAffrows());
+			Assert.Null(orm.Select<ToStringMap>().Where(a => a.id == item.id).First());
+		}
+		[Fact]
+		public void BigInteger1() {
+			//insert
+			var orm = g.pgsql;
+			var item = new ToStringMap { };
+			Assert.Equal(1, orm.Insert<ToStringMap>().AppendData(item).ExecuteAffrows());
+			var find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.biginteger_to_string == 0).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.biginteger_to_string, find.biginteger_to_string);
+			Assert.Equal(0, find.biginteger_to_string);
+
+			item = new ToStringMap { biginteger_to_string = 100 };
+			Assert.Equal(1, orm.Insert<ToStringMap>().AppendData(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.biginteger_to_string == 100).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.biginteger_to_string, find.biginteger_to_string);
+			Assert.Equal(100, find.biginteger_to_string);
+
+			//update all
+			item.biginteger_to_string = 200;
+			Assert.Equal(1, orm.Update<ToStringMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.biginteger_to_string == 200).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.biginteger_to_string, find.biginteger_to_string);
+			Assert.Equal(200, find.biginteger_to_string);
+
+			item.biginteger_to_string = 205;
+			Assert.Equal(1, orm.Update<ToStringMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.biginteger_to_string == 205).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.biginteger_to_string, find.biginteger_to_string);
+			Assert.Equal(205, find.biginteger_to_string);
+
+			//update set
+			Assert.Equal(1, orm.Update<ToStringMap>().Where(a => a.id == item.id).Set(a => a.biginteger_to_string, 522).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.biginteger_to_string == 522).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(522, find.biginteger_to_string);
+
+			Assert.Equal(1, orm.Update<ToStringMap>().Where(a => a.id == item.id).Set(a => a.biginteger_to_string, 10005).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.biginteger_to_string == 10005).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(10005, find.biginteger_to_string);
+
+			//delete
+			Assert.Equal(0, orm.Delete<ToStringMap>().Where(a => a.id == item.id && a.biginteger_to_string == 522).ExecuteAffrows());
+			Assert.Equal(0, orm.Delete<ToStringMap>().Where(a => a.id == item.id && a.biginteger_to_string == 205).ExecuteAffrows());
+			Assert.Equal(1, orm.Delete<ToStringMap>().Where(a => a.id == item.id && a.biginteger_to_string == 10005).ExecuteAffrows());
+			Assert.Null(orm.Select<ToStringMap>().Where(a => a.id == item.id).First());
+		}
+		[Fact]
+		public void BigIntegerNullable() {
+			//insert
+			var orm = g.pgsql;
+			var item = new ToStringMap { };
+			Assert.Equal(1, orm.Insert<ToStringMap>().AppendData(item).ExecuteAffrows());
+			var find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.bigintegernullable_to_string == null).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.bigintegernullable_to_string, find.bigintegernullable_to_string);
+			Assert.Null(find.bigintegernullable_to_string);
+
+			item = new ToStringMap { bigintegernullable_to_string = 101 };
+			Assert.Equal(1, orm.Insert<ToStringMap>().AppendData(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.bigintegernullable_to_string == 101).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.bigintegernullable_to_string, find.bigintegernullable_to_string);
+			Assert.Equal(101, find.bigintegernullable_to_string);
+
+			//update all
+			item.bigintegernullable_to_string = 2004;
+			Assert.Equal(1, orm.Update<ToStringMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.bigintegernullable_to_string == 2004).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.bigintegernullable_to_string, find.bigintegernullable_to_string);
+			Assert.Equal(2004, find.bigintegernullable_to_string);
+
+			item.bigintegernullable_to_string = null;
+			Assert.Equal(1, orm.Update<ToStringMap>().SetSource(item).ExecuteAffrows());
+			Assert.Null(orm.Select<ToStringMap>().Where(a => a.id == item.id && a.bigintegernullable_to_string == 2004).First());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.bigintegernullable_to_string == null).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.bigintegernullable_to_string, find.bigintegernullable_to_string);
+			Assert.Null(find.bigintegernullable_to_string);
+
+			//update set
+			Assert.Equal(1, orm.Update<ToStringMap>().Where(a => a.id == item.id).Set(a => a.bigintegernullable_to_string, 998).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.bigintegernullable_to_string == 998).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(998, find.bigintegernullable_to_string);
+
+
+			Assert.Equal(1, orm.Update<ToStringMap>().Where(a => a.id == item.id).Set(a => a.bigintegernullable_to_string, null).ExecuteAffrows());
+			Assert.Null(orm.Select<ToStringMap>().Where(a => a.id == item.id && a.bigintegernullable_to_string == 998).First());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.bigintegernullable_to_string == null).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Null(find.bigintegernullable_to_string);
+
+			//delete
+			Assert.Equal(0, orm.Delete<ToStringMap>().Where(a => a.id == item.id && a.bigintegernullable_to_string == 998).ExecuteAffrows());
+			Assert.Equal(0, orm.Delete<ToStringMap>().Where(a => a.id == item.id && a.bigintegernullable_to_string == 2004).ExecuteAffrows());
+			Assert.Equal(1, orm.Delete<ToStringMap>().Where(a => a.id == item.id && a.bigintegernullable_to_string == null).ExecuteAffrows());
+			Assert.Null(orm.Select<ToStringMap>().Where(a => a.id == item.id).First());
+		}
+		[Fact]
+		public void TimeSpan1() {
+			//insert
+			var orm = g.pgsql;
+			var item = new ToStringMap { };
+			Assert.Equal(1, orm.Insert<ToStringMap>().AppendData(item).ExecuteAffrows());
+			var find = orm.Select<ToStringMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.timespan_to_string, find.timespan_to_string);
+			Assert.Equal(TimeSpan.Zero, find.timespan_to_string);
+
+			item = new ToStringMap { timespan_to_string = TimeSpan.FromDays(1) };
+			Assert.Equal(1, orm.Insert<ToStringMap>().AppendData(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.timespan_to_string, find.timespan_to_string);
+			Assert.Equal(TimeSpan.FromDays(1), find.timespan_to_string);
+
+			//update all
+			item.timespan_to_string = TimeSpan.FromHours(10);
+			Assert.Equal(1, orm.Update<ToStringMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.timespan_to_string, find.timespan_to_string);
+			Assert.Equal(TimeSpan.FromHours(10), find.timespan_to_string);
+
+			//update set
+			Assert.Equal(1, orm.Update<ToStringMap>().Where(a => a.id == item.id).Set(a => a.timespan_to_string, TimeSpan.FromHours(11)).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(TimeSpan.FromHours(11), find.timespan_to_string);
+
+			//delete
+			Assert.Equal(1, orm.Delete<ToStringMap>().Where(a => a.id == item.id).ExecuteAffrows());
+			Assert.Null(orm.Select<ToStringMap>().Where(a => a.id == item.id).First());
+		}
+		[Fact]
+		public void TimeSpanNullable() {
+			//insert
+			var orm = g.pgsql;
+			var item = new ToStringMap { };
+			Assert.Equal(1, orm.Insert<ToStringMap>().AppendData(item).ExecuteAffrows());
+			var find = orm.Select<ToStringMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.timespannullable_to_string, find.timespannullable_to_string);
+			Assert.Null(find.timespannullable_to_string);
+
+			item = new ToStringMap { timespannullable_to_string = TimeSpan.FromDays(1) };
+			Assert.Equal(1, orm.Insert<ToStringMap>().AppendData(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.timespannullable_to_string, find.timespannullable_to_string);
+			Assert.Equal(TimeSpan.FromDays(1), find.timespannullable_to_string);
+
+			//update all
+			item.timespannullable_to_string = TimeSpan.FromHours(10);
+			Assert.Equal(1, orm.Update<ToStringMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.timespannullable_to_string, find.timespannullable_to_string);
+			Assert.Equal(TimeSpan.FromHours(10), find.timespannullable_to_string);
+
+			item.timespannullable_to_string = null;
+			Assert.Equal(1, orm.Update<ToStringMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.timespannullable_to_string, find.timespannullable_to_string);
+			Assert.Null(find.timespannullable_to_string);
+
+			//update set
+			Assert.Equal(1, orm.Update<ToStringMap>().Where(a => a.id == item.id).Set(a => a.timespannullable_to_string, TimeSpan.FromHours(11)).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(TimeSpan.FromHours(11), find.timespannullable_to_string);
+
+			Assert.Equal(1, orm.Update<ToStringMap>().Where(a => a.id == item.id).Set(a => a.timespannullable_to_string, null).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Null(find.timespannullable_to_string);
+
+			//delete
+			Assert.Equal(1, orm.Delete<ToStringMap>().Where(a => a.id == item.id).ExecuteAffrows());
+			Assert.Null(orm.Select<ToStringMap>().Where(a => a.id == item.id).First());
+		}
+		[Fact]
+		public void DateTime1() {
+			//insert
+			var orm = g.pgsql;
+			var item = new ToStringMap { };
+			Assert.Equal(1, orm.Insert<ToStringMap>().AppendData(item).ExecuteAffrows());
+			var find = orm.Select<ToStringMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.datetime_to_string, find.datetime_to_string);
+			Assert.Equal(DateTime.MinValue, find.datetime_to_string);
+
+			item = new ToStringMap { datetime_to_string = DateTime.Parse("2000-1-1") };
+			Assert.Equal(1, orm.Insert<ToStringMap>().AppendData(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.datetime_to_string, find.datetime_to_string);
+			Assert.Equal(DateTime.Parse("2000-1-1"), find.datetime_to_string);
+
+			//update all
+			item.datetime_to_string = DateTime.Parse("2000-1-11");
+			Assert.Equal(1, orm.Update<ToStringMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.datetime_to_string, find.datetime_to_string);
+			Assert.Equal(DateTime.Parse("2000-1-11"), find.datetime_to_string);
+
+			//update set
+			Assert.Equal(1, orm.Update<ToStringMap>().Where(a => a.id == item.id).Set(a => a.datetime_to_string, DateTime.Parse("2000-1-12")).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(DateTime.Parse("2000-1-12"), find.datetime_to_string);
+
+			//delete
+			Assert.Equal(1, orm.Delete<ToStringMap>().Where(a => a.id == item.id).ExecuteAffrows());
+			Assert.Null(orm.Select<ToStringMap>().Where(a => a.id == item.id).First());
+		}
+		[Fact]
+		public void DateTimeNullable() {
+			//insert
+			var orm = g.pgsql;
+			var item = new ToStringMap { };
+			Assert.Equal(1, orm.Insert<ToStringMap>().AppendData(item).ExecuteAffrows());
+			var find = orm.Select<ToStringMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.datetimenullable_to_string, find.datetimenullable_to_string);
+			Assert.Null(find.datetimenullable_to_string);
+
+			item = new ToStringMap { datetimenullable_to_string = DateTime.Parse("2000-1-1") };
+			Assert.Equal(1, orm.Insert<ToStringMap>().AppendData(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.datetimenullable_to_string, find.datetimenullable_to_string);
+			Assert.Equal(DateTime.Parse("2000-1-1"), find.datetimenullable_to_string);
+
+			//update all
+			item.datetimenullable_to_string = DateTime.Parse("2000-1-11");
+			Assert.Equal(1, orm.Update<ToStringMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.datetimenullable_to_string, find.datetimenullable_to_string);
+			Assert.Equal(DateTime.Parse("2000-1-11"), find.datetimenullable_to_string);
+
+			item.datetimenullable_to_string = null;
+			Assert.Equal(1, orm.Update<ToStringMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.datetimenullable_to_string, find.datetimenullable_to_string);
+			Assert.Null(find.datetimenullable_to_string);
+
+			//update set
+			Assert.Equal(1, orm.Update<ToStringMap>().Where(a => a.id == item.id).Set(a => a.datetimenullable_to_string, DateTime.Parse("2000-1-12")).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(DateTime.Parse("2000-1-12"), find.datetimenullable_to_string);
+
+			Assert.Equal(1, orm.Update<ToStringMap>().Where(a => a.id == item.id).Set(a => a.datetimenullable_to_string, null).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Null(find.datetimenullable_to_string);
+
+			//delete
+			Assert.Equal(1, orm.Delete<ToStringMap>().Where(a => a.id == item.id).ExecuteAffrows());
+			Assert.Null(orm.Select<ToStringMap>().Where(a => a.id == item.id).First());
+		}
+
+		[Fact]
+		public void Guid1() {
+			//insert
+			var orm = g.pgsql;
+			var item = new ToStringMap { };
+			Assert.Equal(1, orm.Insert<ToStringMap>().AppendData(item).ExecuteAffrows());
+			var find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.guid_to_string == Guid.Empty).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.guid_to_string, find.guid_to_string);
+			Assert.Equal(Guid.Empty, find.guid_to_string);
+
+			var newid = Guid.NewGuid();
+			item = new ToStringMap { guid_to_string = newid };
+			Assert.Equal(1, orm.Insert<ToStringMap>().AppendData(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.guid_to_string == newid).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.guid_to_string, find.guid_to_string);
+			Assert.Equal(newid, find.guid_to_string);
+
+			//update all
+			newid = Guid.NewGuid();
+			item.guid_to_string = newid;
+			Assert.Equal(1, orm.Update<ToStringMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.guid_to_string == newid).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.guid_to_string, find.guid_to_string);
+			Assert.Equal(newid, find.guid_to_string);
+
+			//update set
+			newid = Guid.NewGuid();
+			Assert.Equal(1, orm.Update<ToStringMap>().Where(a => a.id == item.id).Set(a => a.guid_to_string, newid).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.guid_to_string == newid).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(newid, find.guid_to_string);
+
+			//delete
+			Assert.Equal(1, orm.Delete<ToStringMap>().Where(a => a.id == item.id && a.guid_to_string == newid).ExecuteAffrows());
+			Assert.Null(orm.Select<ToStringMap>().Where(a => a.id == item.id).First());
+		}
+		[Fact]
+		public void GuidNullable() {
+			//insert
+			var orm = g.pgsql;
+			var item = new ToStringMap { };
+			Assert.Equal(1, orm.Insert<ToStringMap>().AppendData(item).ExecuteAffrows());
+			var find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.guidnullable_to_string == null).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.guidnullable_to_string, find.guidnullable_to_string);
+			Assert.Null(find.guidnullable_to_string);
+
+			var newid = Guid.NewGuid();
+			item = new ToStringMap { guidnullable_to_string = newid };
+			Assert.Equal(1, orm.Insert<ToStringMap>().AppendData(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.guidnullable_to_string == newid).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.guidnullable_to_string, find.guidnullable_to_string);
+			Assert.Equal(newid, find.guidnullable_to_string);
+
+			//update all
+			newid = Guid.NewGuid();
+			item.guidnullable_to_string = newid;
+			Assert.Equal(1, orm.Update<ToStringMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.guidnullable_to_string == newid).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.guidnullable_to_string, find.guidnullable_to_string);
+			Assert.Equal(newid, find.guidnullable_to_string);
+
+			item.guidnullable_to_string = null;
+			Assert.Equal(1, orm.Update<ToStringMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.guidnullable_to_string == null).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.guidnullable_to_string, find.guidnullable_to_string);
+			Assert.Null(find.guidnullable_to_string);
+
+			//update set
+			newid = Guid.NewGuid();
+			Assert.Equal(1, orm.Update<ToStringMap>().Where(a => a.id == item.id).Set(a => a.guidnullable_to_string, newid).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.guidnullable_to_string == newid).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(newid, find.guidnullable_to_string);
+
+			Assert.Equal(1, orm.Update<ToStringMap>().Where(a => a.id == item.id).Set(a => a.guidnullable_to_string, null).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.guidnullable_to_string == null).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Null(find.guidnullable_to_string);
+
+			//delete
+			Assert.Equal(1, orm.Delete<ToStringMap>().Where(a => a.id == item.id && a.guidnullable_to_string == null).ExecuteAffrows());
+			Assert.Null(orm.Select<ToStringMap>().Where(a => a.id == item.id).First());
+		}
+	}
+}

FreeSql.Tests/PostgreSQL/PostgreSQLCodeFirstTest.cs

@@ -16,6 +16,25 @@ using Xunit;
 namespace FreeSql.Tests.PostgreSQL {
 	public class PostgreSQLCodeFirstTest {
 
+		[Fact]
+		public void AddUniques() {
+			var sql = g.pgsql.CodeFirst.GetComparisonDDLStatements<AddUniquesInfo>();
+			g.pgsql.CodeFirst.SyncStructure<AddUniquesInfo>();
+		}
+		[Table(Name = "AddUniquesInfo", OldName = "AddUniquesInfo2")]
+		class AddUniquesInfo {
+			public Guid id { get; set; }
+			[Column(Unique = "uk_phone")]
+			public string phone { get; set; }
+
+			[Column(Unique = "uk_group_index")]
+			public string group { get; set; }
+			[Column(Unique = "uk_group_index11")]
+			public int index { get; set; }
+			[Column(Unique = "uk_group_index222")]
+			public string index22 { get; set; }
+		}
+
 		[Fact]
 		public void AddField() {
 			var sql = g.pgsql.CodeFirst.GetComparisonDDLStatements<TopicAddField>();

FreeSql.Tests/PostgreSQL/PostgreSQLExpression/MathTest.cs

@@ -71,7 +71,7 @@ namespace FreeSql.Tests.PostgreSQLExpression {
 		[Fact]
 		public void Log() {
 			var data = new List<object>();
-			data.Add(select.Where(a => Math.Log(a.Clicks + 0.5) == a.Clicks + 1).ToList());
+			//data.Add(select.Where(a => Math.Log(a.Clicks + 0.5) == a.Clicks + 1).ToList());
 		}
 		[Fact]
 		public void Log10() {

FreeSql.Tests/PostgreSQL/PostgreSQLExpression/OtherTest.cs

@@ -79,10 +79,10 @@ namespace FreeSql.Tests.PostgreSQLExpression {
 			var sql3 = select.Where(a => a.testFieldJObject.ContainsKey("a")).ToList();
 			var sql4 = select.Where(a => a.testFieldJObject.ContainsKey("a") == false).ToList();
 
-			var sql5 = select.Where(a => a.testFieldJArray.Contains(JToken.Parse("{a:1}"))).ToList();
+			var sql5 = select.Where(a => a.testFieldJArray.Contains(1)).ToList();
-			var sql6 = select.Where(a => a.testFieldJArray.Contains(JToken.Parse("{a:1}")) == false).ToList();
+			var sql6 = select.Where(a => a.testFieldJArray.Contains(1) == false).ToList();
-			var sql555 = select.Where(a => a.testFieldJArray.Contains("{a:1}")).ToList();
+			var sql555 = select.Where(a => a.testFieldJArray.Contains(1)).ToList();
-			var sql666 = select.Where(a => a.testFieldJArray.Contains("{a:1}") == false).ToList();
+			var sql666 = select.Where(a => a.testFieldJArray.Contains(1) == false).ToList();
 
 			//var sql7 = select.Where(a => a.testFieldJToken.Any()).ToList();
 			//var sql8 = select.Where(a => a.testFieldJToken.Any() == false).ToList();

FreeSql.Tests/SqlServer/MapType/EnumTest.cs

@@ -0,0 +1,263 @@
+using FreeSql.DataAnnotations;
+using FreeSql.Tests.DataContext.SqlServer;
+using System;
+using System.Numerics;
+using Xunit;
+
+namespace FreeSql.Tests.SqlServerMapType {
+	[Collection("SqlServerCollection")]
+	public class EnumTest {
+
+		SqlServerFixture _sqlserverFixture;
+
+		public EnumTest(SqlServerFixture sqlserverFixture) {
+			_sqlserverFixture = sqlserverFixture;
+		}
+
+		class EnumTestMap {
+			public Guid id { get; set; }
+
+			[Column(MapType = typeof(string))]
+			public ToStringMapEnum enum_to_string { get; set; }
+			[Column(MapType = typeof(string))]
+			public ToStringMapEnum? enumnullable_to_string { get; set; }
+
+			[Column(MapType = typeof(int))]
+			public ToStringMapEnum enum_to_int { get; set; }
+			[Column(MapType = typeof(int?))]
+			public ToStringMapEnum? enumnullable_to_int { get; set; }
+		}
+		public enum ToStringMapEnum { 中国人, abc, 香港 }
+		[Fact]
+		public void EnumToString() {
+			//insert
+			var orm = _sqlserverFixture.SqlServer;
+			var item = new EnumTestMap { };
+			Assert.Equal(1, orm.Insert<EnumTestMap>().AppendData(item).ExecuteAffrows());
+			var find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enum_to_string == ToStringMapEnum.中国人).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enum_to_string, find.enum_to_string);
+			Assert.Equal(ToStringMapEnum.中国人, find.enum_to_string);
+
+			item = new EnumTestMap { enum_to_string = ToStringMapEnum.abc };
+			Assert.Equal(1, orm.Insert<EnumTestMap>().AppendData(item).ExecuteAffrows());
+			find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enum_to_string == ToStringMapEnum.abc).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enum_to_string, find.enum_to_string);
+			Assert.Equal(ToStringMapEnum.abc, find.enum_to_string);
+
+			//update all
+			item.enum_to_string = ToStringMapEnum.香港;
+			Assert.Equal(1, orm.Update<EnumTestMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enum_to_string == ToStringMapEnum.香港).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enum_to_string, find.enum_to_string);
+			Assert.Equal(ToStringMapEnum.香港, find.enum_to_string);
+
+			item.enum_to_string = ToStringMapEnum.中国人;
+			Assert.Equal(1, orm.Update<EnumTestMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enum_to_string == ToStringMapEnum.中国人).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enum_to_string, find.enum_to_string);
+			Assert.Equal(ToStringMapEnum.中国人, find.enum_to_string);
+
+			//update set
+			Assert.Equal(1, orm.Update<EnumTestMap>().Where(a => a.id == item.id).Set(a => a.enum_to_string, ToStringMapEnum.香港).ExecuteAffrows());
+			find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enum_to_string == ToStringMapEnum.香港).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(ToStringMapEnum.香港, find.enum_to_string);
+
+			Assert.Equal(1, orm.Update<EnumTestMap>().Where(a => a.id == item.id).Set(a => a.enum_to_string, ToStringMapEnum.abc).ExecuteAffrows());
+			find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enum_to_string == ToStringMapEnum.abc).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(ToStringMapEnum.abc, find.enum_to_string);
+
+			//delete
+			Assert.Equal(0, orm.Delete<EnumTestMap>().Where(a => a.id == item.id && a.enum_to_string == ToStringMapEnum.中国人).ExecuteAffrows());
+			Assert.Equal(0, orm.Delete<EnumTestMap>().Where(a => a.id == item.id && a.enum_to_string == ToStringMapEnum.香港).ExecuteAffrows());
+			Assert.Equal(1, orm.Delete<EnumTestMap>().Where(a => a.id == item.id && a.enum_to_string == ToStringMapEnum.abc).ExecuteAffrows());
+			Assert.Null(orm.Select<EnumTestMap>().Where(a => a.id == item.id).First());
+		}
+		[Fact]
+		public void EnumNullableToString() {
+			//insert
+			var orm = _sqlserverFixture.SqlServer;
+			var item = new EnumTestMap { };
+			Assert.Equal(1, orm.Insert<EnumTestMap>().AppendData(item).ExecuteAffrows());
+			var find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_string == null).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enumnullable_to_string, find.enumnullable_to_string);
+			Assert.Null(find.enumnullable_to_string);
+
+			item = new EnumTestMap { enumnullable_to_string = ToStringMapEnum.中国人 };
+			Assert.Equal(1, orm.Insert<EnumTestMap>().AppendData(item).ExecuteAffrows());
+			find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_string == ToStringMapEnum.中国人).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enumnullable_to_string, find.enumnullable_to_string);
+			Assert.Equal(ToStringMapEnum.中国人, find.enumnullable_to_string);
+
+			//update all
+			item.enumnullable_to_string = ToStringMapEnum.香港;
+			Assert.Equal(1, orm.Update<EnumTestMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_string == ToStringMapEnum.香港).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enumnullable_to_string, find.enumnullable_to_string);
+			Assert.Equal(ToStringMapEnum.香港, find.enumnullable_to_string);
+
+			item.enumnullable_to_string = null;
+			Assert.Equal(1, orm.Update<EnumTestMap>().SetSource(item).ExecuteAffrows());
+			Assert.Null(orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_string == ToStringMapEnum.香港).First());
+			find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_string == null).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enumnullable_to_string, find.enumnullable_to_string);
+			Assert.Null(find.enumnullable_to_string);
+
+			//update set
+			Assert.Equal(1, orm.Update<EnumTestMap>().Where(a => a.id == item.id).Set(a => a.enumnullable_to_string, ToStringMapEnum.abc).ExecuteAffrows());
+			find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_string == ToStringMapEnum.abc).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(ToStringMapEnum.abc, find.enumnullable_to_string);
+
+
+			Assert.Equal(1, orm.Update<EnumTestMap>().Where(a => a.id == item.id).Set(a => a.enumnullable_to_string, null).ExecuteAffrows());
+			Assert.Null(orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_string == ToStringMapEnum.abc).First());
+			find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_string == null).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Null(find.enumnullable_to_string);
+
+			//delete
+			Assert.Equal(0, orm.Delete<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_string == ToStringMapEnum.中国人).ExecuteAffrows());
+			Assert.Equal(0, orm.Delete<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_string == ToStringMapEnum.香港).ExecuteAffrows());
+			Assert.Equal(1, orm.Delete<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_string == null).ExecuteAffrows());
+			Assert.Null(orm.Select<EnumTestMap>().Where(a => a.id == item.id).First());
+		}
+
+		[Fact]
+		public void EnumToInt() {
+			//insert
+			var orm = _sqlserverFixture.SqlServer;
+			var item = new EnumTestMap { };
+			Assert.Equal(1, orm.Insert<EnumTestMap>().AppendData(item).ExecuteAffrows());
+			var find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enum_to_int == ToStringMapEnum.中国人).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enum_to_int, find.enum_to_int);
+			Assert.Equal(ToStringMapEnum.中国人, find.enum_to_int);
+
+			item = new EnumTestMap { enum_to_int = ToStringMapEnum.abc };
+			Assert.Equal(1, orm.Insert<EnumTestMap>().AppendData(item).ExecuteAffrows());
+			find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enum_to_int == ToStringMapEnum.abc).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enum_to_int, find.enum_to_int);
+			Assert.Equal(ToStringMapEnum.abc, find.enum_to_int);
+
+			//update all
+			item.enum_to_int = ToStringMapEnum.香港;
+			Assert.Equal(1, orm.Update<EnumTestMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enum_to_int == ToStringMapEnum.香港).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enum_to_int, find.enum_to_int);
+			Assert.Equal(ToStringMapEnum.香港, find.enum_to_int);
+
+			item.enum_to_int = ToStringMapEnum.中国人;
+			Assert.Equal(1, orm.Update<EnumTestMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enum_to_int == ToStringMapEnum.中国人).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enum_to_int, find.enum_to_int);
+			Assert.Equal(ToStringMapEnum.中国人, find.enum_to_int);
+
+			//update set
+			Assert.Equal(1, orm.Update<EnumTestMap>().Where(a => a.id == item.id).Set(a => a.enum_to_int, ToStringMapEnum.香港).ExecuteAffrows());
+			find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enum_to_int == ToStringMapEnum.香港).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(ToStringMapEnum.香港, find.enum_to_int);
+
+			Assert.Equal(1, orm.Update<EnumTestMap>().Where(a => a.id == item.id).Set(a => a.enum_to_int, ToStringMapEnum.abc).ExecuteAffrows());
+			find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enum_to_int == ToStringMapEnum.abc).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(ToStringMapEnum.abc, find.enum_to_int);
+
+			//delete
+			Assert.Equal(0, orm.Delete<EnumTestMap>().Where(a => a.id == item.id && a.enum_to_int == ToStringMapEnum.中国人).ExecuteAffrows());
+			Assert.Equal(0, orm.Delete<EnumTestMap>().Where(a => a.id == item.id && a.enum_to_int == ToStringMapEnum.香港).ExecuteAffrows());
+			Assert.Equal(1, orm.Delete<EnumTestMap>().Where(a => a.id == item.id && a.enum_to_int == ToStringMapEnum.abc).ExecuteAffrows());
+			Assert.Null(orm.Select<EnumTestMap>().Where(a => a.id == item.id).First());
+		}
+		[Fact]
+		public void EnumNullableToInt() {
+			//insert
+			var orm = _sqlserverFixture.SqlServer;
+			var item = new EnumTestMap { };
+			Assert.Equal(1, orm.Insert<EnumTestMap>().AppendData(item).ExecuteAffrows());
+			var find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_int == null).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enumnullable_to_int, find.enumnullable_to_int);
+			Assert.Null(find.enumnullable_to_int);
+
+			item = new EnumTestMap { enumnullable_to_int = ToStringMapEnum.中国人 };
+			Assert.Equal(1, orm.Insert<EnumTestMap>().AppendData(item).ExecuteAffrows());
+			find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_int == ToStringMapEnum.中国人).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enumnullable_to_int, find.enumnullable_to_int);
+			Assert.Equal(ToStringMapEnum.中国人, find.enumnullable_to_int);
+
+			//update all
+			item.enumnullable_to_int = ToStringMapEnum.香港;
+			Assert.Equal(1, orm.Update<EnumTestMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_int == ToStringMapEnum.香港).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enumnullable_to_int, find.enumnullable_to_int);
+			Assert.Equal(ToStringMapEnum.香港, find.enumnullable_to_int);
+
+			item.enumnullable_to_int = null;
+			Assert.Equal(1, orm.Update<EnumTestMap>().SetSource(item).ExecuteAffrows());
+			Assert.Null(orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_int == ToStringMapEnum.香港).First());
+			find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_int == null).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enumnullable_to_int, find.enumnullable_to_int);
+			Assert.Null(find.enumnullable_to_int);
+
+			//update set
+			Assert.Equal(1, orm.Update<EnumTestMap>().Where(a => a.id == item.id).Set(a => a.enumnullable_to_int, ToStringMapEnum.abc).ExecuteAffrows());
+			find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_int == ToStringMapEnum.abc).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(ToStringMapEnum.abc, find.enumnullable_to_int);
+
+
+			Assert.Equal(1, orm.Update<EnumTestMap>().Where(a => a.id == item.id).Set(a => a.enumnullable_to_int, null).ExecuteAffrows());
+			Assert.Null(orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_int == ToStringMapEnum.abc).First());
+			find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_int == null).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Null(find.enumnullable_to_int);
+
+			//delete
+			Assert.Equal(0, orm.Delete<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_int == ToStringMapEnum.中国人).ExecuteAffrows());
+			Assert.Equal(0, orm.Delete<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_int == ToStringMapEnum.香港).ExecuteAffrows());
+			Assert.Equal(1, orm.Delete<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_int == null).ExecuteAffrows());
+			Assert.Null(orm.Select<EnumTestMap>().Where(a => a.id == item.id).First());
+		}
+	}
+}

FreeSql.Tests/SqlServer/MapType/ToStringTest.cs

@@ -0,0 +1,565 @@
+using FreeSql.DataAnnotations;
+using FreeSql.Tests.DataContext.SqlServer;
+using System;
+using System.Numerics;
+using Xunit;
+
+namespace FreeSql.Tests.SqlServerMapType {
+	[Collection("SqlServerCollection")]
+	public class ToStringTest {
+		SqlServerFixture _sqlserverFixture;
+
+		public ToStringTest(SqlServerFixture sqlserverFixture) {
+			_sqlserverFixture = sqlserverFixture;
+		}
+
+		class ToStringMap {
+			public Guid id { get; set; }
+
+			[Column(MapType = typeof(string))]
+			public TimeSpan timespan_to_string { get; set; }
+			[Column(MapType = typeof(string))]
+			public TimeSpan? timespannullable_to_string { get; set; }
+
+			[Column(MapType = typeof(string))]
+			public DateTime datetime_to_string { get; set; }
+			[Column(MapType = typeof(string))]
+			public DateTime? datetimenullable_to_string { get; set; }
+
+			[Column(MapType = typeof(string))]
+			public Guid guid_to_string { get; set; }
+			[Column(MapType = typeof(string))]
+			public Guid? guidnullable_to_string { get; set; }
+
+			[Column(MapType = typeof(string))]
+			public ToStringMapEnum enum_to_string { get; set; }
+			[Column(MapType = typeof(string))]
+			public ToStringMapEnum? enumnullable_to_string { get; set; }
+
+			[Column(MapType = typeof(string))]
+			public BigInteger biginteger_to_string { get; set; }
+			[Column(MapType = typeof(string))]
+			public BigInteger? bigintegernullable_to_string { get; set; }
+		}
+		public enum ToStringMapEnum { 中国人, abc, 香港 }
+		[Fact]
+		public void Enum1() {
+			//insert
+			var orm = _sqlserverFixture.SqlServer;
+			var item = new ToStringMap { };
+			Assert.Equal(1, orm.Insert<ToStringMap>().AppendData(item).ExecuteAffrows());
+			var find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.enum_to_string == ToStringMapEnum.中国人).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enum_to_string, find.enum_to_string);
+			Assert.Equal(ToStringMapEnum.中国人, find.enum_to_string);
+
+			item = new ToStringMap { enum_to_string = ToStringMapEnum.abc };
+			Assert.Equal(1, orm.Insert<ToStringMap>().AppendData(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.enum_to_string == ToStringMapEnum.abc).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enum_to_string, find.enum_to_string);
+			Assert.Equal(ToStringMapEnum.abc, find.enum_to_string);
+
+			//update all
+			item.enum_to_string = ToStringMapEnum.香港;
+			Assert.Equal(1, orm.Update<ToStringMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.enum_to_string == ToStringMapEnum.香港).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enum_to_string, find.enum_to_string);
+			Assert.Equal(ToStringMapEnum.香港, find.enum_to_string);
+
+			item.enum_to_string = ToStringMapEnum.中国人;
+			Assert.Equal(1, orm.Update<ToStringMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.enum_to_string == ToStringMapEnum.中国人).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enum_to_string, find.enum_to_string);
+			Assert.Equal(ToStringMapEnum.中国人, find.enum_to_string);
+
+			//update set
+			Assert.Equal(1, orm.Update<ToStringMap>().Where(a => a.id == item.id).Set(a => a.enum_to_string, ToStringMapEnum.香港).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.enum_to_string == ToStringMapEnum.香港).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(ToStringMapEnum.香港, find.enum_to_string);
+
+			Assert.Equal(1, orm.Update<ToStringMap>().Where(a => a.id == item.id).Set(a => a.enum_to_string, ToStringMapEnum.abc).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.enum_to_string == ToStringMapEnum.abc).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(ToStringMapEnum.abc, find.enum_to_string);
+
+			//delete
+			Assert.Equal(0, orm.Delete<ToStringMap>().Where(a => a.id == item.id && a.enum_to_string == ToStringMapEnum.中国人).ExecuteAffrows());
+			Assert.Equal(0, orm.Delete<ToStringMap>().Where(a => a.id == item.id && a.enum_to_string == ToStringMapEnum.香港).ExecuteAffrows());
+			Assert.Equal(1, orm.Delete<ToStringMap>().Where(a => a.id == item.id && a.enum_to_string == ToStringMapEnum.abc).ExecuteAffrows());
+			Assert.Null(orm.Select<ToStringMap>().Where(a => a.id == item.id).First());
+		}
+		[Fact]
+		public void EnumNullable() {
+			//insert
+			var orm = _sqlserverFixture.SqlServer;
+			var item = new ToStringMap { };
+			Assert.Equal(1, orm.Insert<ToStringMap>().AppendData(item).ExecuteAffrows());
+			var find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.enumnullable_to_string == null).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enumnullable_to_string, find.enumnullable_to_string);
+			Assert.Null(find.enumnullable_to_string);
+
+			item = new ToStringMap { enumnullable_to_string = ToStringMapEnum.中国人 };
+			Assert.Equal(1, orm.Insert<ToStringMap>().AppendData(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.enumnullable_to_string == ToStringMapEnum.中国人).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enumnullable_to_string, find.enumnullable_to_string);
+			Assert.Equal(ToStringMapEnum.中国人, find.enumnullable_to_string);
+
+			//update all
+			item.enumnullable_to_string = ToStringMapEnum.香港;
+			Assert.Equal(1, orm.Update<ToStringMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.enumnullable_to_string == ToStringMapEnum.香港).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enumnullable_to_string, find.enumnullable_to_string);
+			Assert.Equal(ToStringMapEnum.香港, find.enumnullable_to_string);
+
+			item.enumnullable_to_string = null;
+			Assert.Equal(1, orm.Update<ToStringMap>().SetSource(item).ExecuteAffrows());
+			Assert.Null(orm.Select<ToStringMap>().Where(a => a.id == item.id && a.enumnullable_to_string == ToStringMapEnum.香港).First());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.enumnullable_to_string == null).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enumnullable_to_string, find.enumnullable_to_string);
+			Assert.Null(find.enumnullable_to_string);
+
+			//update set
+			Assert.Equal(1, orm.Update<ToStringMap>().Where(a => a.id == item.id).Set(a => a.enumnullable_to_string, ToStringMapEnum.abc).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.enumnullable_to_string == ToStringMapEnum.abc).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(ToStringMapEnum.abc, find.enumnullable_to_string);
+
+
+			Assert.Equal(1, orm.Update<ToStringMap>().Where(a => a.id == item.id).Set(a => a.enumnullable_to_string, null).ExecuteAffrows());
+			Assert.Null(orm.Select<ToStringMap>().Where(a => a.id == item.id && a.enumnullable_to_string == ToStringMapEnum.abc).First());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.enumnullable_to_string == null).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Null(find.enumnullable_to_string);
+
+			//delete
+			Assert.Equal(0, orm.Delete<ToStringMap>().Where(a => a.id == item.id && a.enumnullable_to_string == ToStringMapEnum.中国人).ExecuteAffrows());
+			Assert.Equal(0, orm.Delete<ToStringMap>().Where(a => a.id == item.id && a.enumnullable_to_string == ToStringMapEnum.香港).ExecuteAffrows());
+			Assert.Equal(1, orm.Delete<ToStringMap>().Where(a => a.id == item.id && a.enumnullable_to_string == null).ExecuteAffrows());
+			Assert.Null(orm.Select<ToStringMap>().Where(a => a.id == item.id).First());
+		}
+		[Fact]
+		public void BigInteger1() {
+			//insert
+			var orm = _sqlserverFixture.SqlServer;
+			var item = new ToStringMap { };
+			Assert.Equal(1, orm.Insert<ToStringMap>().AppendData(item).ExecuteAffrows());
+			var find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.biginteger_to_string == 0).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.biginteger_to_string, find.biginteger_to_string);
+			Assert.Equal(0, find.biginteger_to_string);
+
+			item = new ToStringMap { biginteger_to_string = 100 };
+			Assert.Equal(1, orm.Insert<ToStringMap>().AppendData(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.biginteger_to_string == 100).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.biginteger_to_string, find.biginteger_to_string);
+			Assert.Equal(100, find.biginteger_to_string);
+
+			//update all
+			item.biginteger_to_string = 200;
+			Assert.Equal(1, orm.Update<ToStringMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.biginteger_to_string == 200).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.biginteger_to_string, find.biginteger_to_string);
+			Assert.Equal(200, find.biginteger_to_string);
+
+			item.biginteger_to_string = 205;
+			Assert.Equal(1, orm.Update<ToStringMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.biginteger_to_string == 205).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.biginteger_to_string, find.biginteger_to_string);
+			Assert.Equal(205, find.biginteger_to_string);
+
+			//update set
+			Assert.Equal(1, orm.Update<ToStringMap>().Where(a => a.id == item.id).Set(a => a.biginteger_to_string, 522).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.biginteger_to_string == 522).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(522, find.biginteger_to_string);
+
+			Assert.Equal(1, orm.Update<ToStringMap>().Where(a => a.id == item.id).Set(a => a.biginteger_to_string, 10005).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.biginteger_to_string == 10005).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(10005, find.biginteger_to_string);
+
+			//delete
+			Assert.Equal(0, orm.Delete<ToStringMap>().Where(a => a.id == item.id && a.biginteger_to_string == 522).ExecuteAffrows());
+			Assert.Equal(0, orm.Delete<ToStringMap>().Where(a => a.id == item.id && a.biginteger_to_string == 205).ExecuteAffrows());
+			Assert.Equal(1, orm.Delete<ToStringMap>().Where(a => a.id == item.id && a.biginteger_to_string == 10005).ExecuteAffrows());
+			Assert.Null(orm.Select<ToStringMap>().Where(a => a.id == item.id).First());
+		}
+		[Fact]
+		public void BigIntegerNullable() {
+			//insert
+			var orm = _sqlserverFixture.SqlServer;
+			var item = new ToStringMap { };
+			Assert.Equal(1, orm.Insert<ToStringMap>().AppendData(item).ExecuteAffrows());
+			var find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.bigintegernullable_to_string == null).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.bigintegernullable_to_string, find.bigintegernullable_to_string);
+			Assert.Null(find.bigintegernullable_to_string);
+
+			item = new ToStringMap { bigintegernullable_to_string = 101 };
+			Assert.Equal(1, orm.Insert<ToStringMap>().AppendData(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.bigintegernullable_to_string == 101).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.bigintegernullable_to_string, find.bigintegernullable_to_string);
+			Assert.Equal(101, find.bigintegernullable_to_string);
+
+			//update all
+			item.bigintegernullable_to_string = 2004;
+			Assert.Equal(1, orm.Update<ToStringMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.bigintegernullable_to_string == 2004).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.bigintegernullable_to_string, find.bigintegernullable_to_string);
+			Assert.Equal(2004, find.bigintegernullable_to_string);
+
+			item.bigintegernullable_to_string = null;
+			Assert.Equal(1, orm.Update<ToStringMap>().SetSource(item).ExecuteAffrows());
+			Assert.Null(orm.Select<ToStringMap>().Where(a => a.id == item.id && a.bigintegernullable_to_string == 2004).First());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.bigintegernullable_to_string == null).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.bigintegernullable_to_string, find.bigintegernullable_to_string);
+			Assert.Null(find.bigintegernullable_to_string);
+
+			//update set
+			Assert.Equal(1, orm.Update<ToStringMap>().Where(a => a.id == item.id).Set(a => a.bigintegernullable_to_string, 998).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.bigintegernullable_to_string == 998).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(998, find.bigintegernullable_to_string);
+
+
+			Assert.Equal(1, orm.Update<ToStringMap>().Where(a => a.id == item.id).Set(a => a.bigintegernullable_to_string, null).ExecuteAffrows());
+			Assert.Null(orm.Select<ToStringMap>().Where(a => a.id == item.id && a.bigintegernullable_to_string == 998).First());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.bigintegernullable_to_string == null).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Null(find.bigintegernullable_to_string);
+
+			//delete
+			Assert.Equal(0, orm.Delete<ToStringMap>().Where(a => a.id == item.id && a.bigintegernullable_to_string == 998).ExecuteAffrows());
+			Assert.Equal(0, orm.Delete<ToStringMap>().Where(a => a.id == item.id && a.bigintegernullable_to_string == 2004).ExecuteAffrows());
+			Assert.Equal(1, orm.Delete<ToStringMap>().Where(a => a.id == item.id && a.bigintegernullable_to_string == null).ExecuteAffrows());
+			Assert.Null(orm.Select<ToStringMap>().Where(a => a.id == item.id).First());
+		}
+		[Fact]
+		public void TimeSpan1() {
+			//insert
+			var orm = _sqlserverFixture.SqlServer;
+			var item = new ToStringMap { };
+			Assert.Equal(1, orm.Insert<ToStringMap>().AppendData(item).ExecuteAffrows());
+			var find = orm.Select<ToStringMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.timespan_to_string, find.timespan_to_string);
+			Assert.Equal(TimeSpan.Zero, find.timespan_to_string);
+
+			item = new ToStringMap { timespan_to_string = TimeSpan.FromDays(1) };
+			Assert.Equal(1, orm.Insert<ToStringMap>().AppendData(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.timespan_to_string, find.timespan_to_string);
+			Assert.Equal(TimeSpan.FromDays(1), find.timespan_to_string);
+
+			//update all
+			item.timespan_to_string = TimeSpan.FromHours(10);
+			Assert.Equal(1, orm.Update<ToStringMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.timespan_to_string, find.timespan_to_string);
+			Assert.Equal(TimeSpan.FromHours(10), find.timespan_to_string);
+
+			//update set
+			Assert.Equal(1, orm.Update<ToStringMap>().Where(a => a.id == item.id).Set(a => a.timespan_to_string, TimeSpan.FromHours(11)).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(TimeSpan.FromHours(11), find.timespan_to_string);
+
+			//delete
+			Assert.Equal(1, orm.Delete<ToStringMap>().Where(a => a.id == item.id).ExecuteAffrows());
+			Assert.Null(orm.Select<ToStringMap>().Where(a => a.id == item.id).First());
+		}
+		[Fact]
+		public void TimeSpanNullable() {
+			//insert
+			var orm = _sqlserverFixture.SqlServer;
+			var item = new ToStringMap { };
+			Assert.Equal(1, orm.Insert<ToStringMap>().AppendData(item).ExecuteAffrows());
+			var find = orm.Select<ToStringMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.timespannullable_to_string, find.timespannullable_to_string);
+			Assert.Null(find.timespannullable_to_string);
+
+			item = new ToStringMap { timespannullable_to_string = TimeSpan.FromDays(1) };
+			Assert.Equal(1, orm.Insert<ToStringMap>().AppendData(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.timespannullable_to_string, find.timespannullable_to_string);
+			Assert.Equal(TimeSpan.FromDays(1), find.timespannullable_to_string);
+
+			//update all
+			item.timespannullable_to_string = TimeSpan.FromHours(10);
+			Assert.Equal(1, orm.Update<ToStringMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.timespannullable_to_string, find.timespannullable_to_string);
+			Assert.Equal(TimeSpan.FromHours(10), find.timespannullable_to_string);
+
+			item.timespannullable_to_string = null;
+			Assert.Equal(1, orm.Update<ToStringMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.timespannullable_to_string, find.timespannullable_to_string);
+			Assert.Null(find.timespannullable_to_string);
+
+			//update set
+			Assert.Equal(1, orm.Update<ToStringMap>().Where(a => a.id == item.id).Set(a => a.timespannullable_to_string, TimeSpan.FromHours(11)).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(TimeSpan.FromHours(11), find.timespannullable_to_string);
+
+			Assert.Equal(1, orm.Update<ToStringMap>().Where(a => a.id == item.id).Set(a => a.timespannullable_to_string, null).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Null(find.timespannullable_to_string);
+
+			//delete
+			Assert.Equal(1, orm.Delete<ToStringMap>().Where(a => a.id == item.id).ExecuteAffrows());
+			Assert.Null(orm.Select<ToStringMap>().Where(a => a.id == item.id).First());
+		}
+		[Fact]
+		public void DateTime1() {
+			//insert
+			var orm = _sqlserverFixture.SqlServer;
+			var item = new ToStringMap { };
+			Assert.Equal(1, orm.Insert<ToStringMap>().AppendData(item).ExecuteAffrows());
+			var find = orm.Select<ToStringMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.datetime_to_string, find.datetime_to_string);
+			Assert.Equal(DateTime.MinValue, find.datetime_to_string);
+
+			item = new ToStringMap { datetime_to_string = DateTime.Parse("2000-1-1") };
+			Assert.Equal(1, orm.Insert<ToStringMap>().AppendData(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.datetime_to_string, find.datetime_to_string);
+			Assert.Equal(DateTime.Parse("2000-1-1"), find.datetime_to_string);
+
+			//update all
+			item.datetime_to_string = DateTime.Parse("2000-1-11");
+			Assert.Equal(1, orm.Update<ToStringMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.datetime_to_string, find.datetime_to_string);
+			Assert.Equal(DateTime.Parse("2000-1-11"), find.datetime_to_string);
+
+			//update set
+			Assert.Equal(1, orm.Update<ToStringMap>().Where(a => a.id == item.id).Set(a => a.datetime_to_string, DateTime.Parse("2000-1-12")).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(DateTime.Parse("2000-1-12"), find.datetime_to_string);
+
+			//delete
+			Assert.Equal(1, orm.Delete<ToStringMap>().Where(a => a.id == item.id).ExecuteAffrows());
+			Assert.Null(orm.Select<ToStringMap>().Where(a => a.id == item.id).First());
+		}
+		[Fact]
+		public void DateTimeNullable() {
+			//insert
+			var orm = _sqlserverFixture.SqlServer;
+			var item = new ToStringMap { };
+			Assert.Equal(1, orm.Insert<ToStringMap>().AppendData(item).ExecuteAffrows());
+			var find = orm.Select<ToStringMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.datetimenullable_to_string, find.datetimenullable_to_string);
+			Assert.Null(find.datetimenullable_to_string);
+
+			item = new ToStringMap { datetimenullable_to_string = DateTime.Parse("2000-1-1") };
+			Assert.Equal(1, orm.Insert<ToStringMap>().AppendData(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.datetimenullable_to_string, find.datetimenullable_to_string);
+			Assert.Equal(DateTime.Parse("2000-1-1"), find.datetimenullable_to_string);
+
+			//update all
+			item.datetimenullable_to_string = DateTime.Parse("2000-1-11");
+			Assert.Equal(1, orm.Update<ToStringMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.datetimenullable_to_string, find.datetimenullable_to_string);
+			Assert.Equal(DateTime.Parse("2000-1-11"), find.datetimenullable_to_string);
+
+			item.datetimenullable_to_string = null;
+			Assert.Equal(1, orm.Update<ToStringMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.datetimenullable_to_string, find.datetimenullable_to_string);
+			Assert.Null(find.datetimenullable_to_string);
+
+			//update set
+			Assert.Equal(1, orm.Update<ToStringMap>().Where(a => a.id == item.id).Set(a => a.datetimenullable_to_string, DateTime.Parse("2000-1-12")).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(DateTime.Parse("2000-1-12"), find.datetimenullable_to_string);
+
+			Assert.Equal(1, orm.Update<ToStringMap>().Where(a => a.id == item.id).Set(a => a.datetimenullable_to_string, null).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Null(find.datetimenullable_to_string);
+
+			//delete
+			Assert.Equal(1, orm.Delete<ToStringMap>().Where(a => a.id == item.id).ExecuteAffrows());
+			Assert.Null(orm.Select<ToStringMap>().Where(a => a.id == item.id).First());
+		}
+
+		[Fact]
+		public void Guid1() {
+			//insert
+			var orm = _sqlserverFixture.SqlServer;
+			var item = new ToStringMap { };
+			Assert.Equal(1, orm.Insert<ToStringMap>().AppendData(item).ExecuteAffrows());
+			var find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.guid_to_string == Guid.Empty).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.guid_to_string, find.guid_to_string);
+			Assert.Equal(Guid.Empty, find.guid_to_string);
+
+			var newid = Guid.NewGuid();
+			item = new ToStringMap { guid_to_string = newid };
+			Assert.Equal(1, orm.Insert<ToStringMap>().AppendData(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.guid_to_string == newid).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.guid_to_string, find.guid_to_string);
+			Assert.Equal(newid, find.guid_to_string);
+
+			//update all
+			newid = Guid.NewGuid();
+			item.guid_to_string = newid;
+			Assert.Equal(1, orm.Update<ToStringMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.guid_to_string == newid).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.guid_to_string, find.guid_to_string);
+			Assert.Equal(newid, find.guid_to_string);
+
+			//update set
+			newid = Guid.NewGuid();
+			Assert.Equal(1, orm.Update<ToStringMap>().Where(a => a.id == item.id).Set(a => a.guid_to_string, newid).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.guid_to_string == newid).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(newid, find.guid_to_string);
+
+			//delete
+			Assert.Equal(1, orm.Delete<ToStringMap>().Where(a => a.id == item.id && a.guid_to_string == newid).ExecuteAffrows());
+			Assert.Null(orm.Select<ToStringMap>().Where(a => a.id == item.id).First());
+		}
+		[Fact]
+		public void GuidNullable() {
+			//insert
+			var orm = _sqlserverFixture.SqlServer;
+			var item = new ToStringMap { };
+			Assert.Equal(1, orm.Insert<ToStringMap>().AppendData(item).ExecuteAffrows());
+			var find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.guidnullable_to_string == null).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.guidnullable_to_string, find.guidnullable_to_string);
+			Assert.Null(find.guidnullable_to_string);
+
+			var newid = Guid.NewGuid();
+			item = new ToStringMap { guidnullable_to_string = newid };
+			Assert.Equal(1, orm.Insert<ToStringMap>().AppendData(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.guidnullable_to_string == newid).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.guidnullable_to_string, find.guidnullable_to_string);
+			Assert.Equal(newid, find.guidnullable_to_string);
+
+			//update all
+			newid = Guid.NewGuid();
+			item.guidnullable_to_string = newid;
+			Assert.Equal(1, orm.Update<ToStringMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.guidnullable_to_string == newid).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.guidnullable_to_string, find.guidnullable_to_string);
+			Assert.Equal(newid, find.guidnullable_to_string);
+
+			item.guidnullable_to_string = null;
+			Assert.Equal(1, orm.Update<ToStringMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.guidnullable_to_string == null).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.guidnullable_to_string, find.guidnullable_to_string);
+			Assert.Null(find.guidnullable_to_string);
+
+			//update set
+			newid = Guid.NewGuid();
+			Assert.Equal(1, orm.Update<ToStringMap>().Where(a => a.id == item.id).Set(a => a.guidnullable_to_string, newid).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.guidnullable_to_string == newid).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(newid, find.guidnullable_to_string);
+
+			Assert.Equal(1, orm.Update<ToStringMap>().Where(a => a.id == item.id).Set(a => a.guidnullable_to_string, null).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.guidnullable_to_string == null).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Null(find.guidnullable_to_string);
+
+			//delete
+			Assert.Equal(1, orm.Delete<ToStringMap>().Where(a => a.id == item.id && a.guidnullable_to_string == null).ExecuteAffrows());
+			Assert.Null(orm.Select<ToStringMap>().Where(a => a.id == item.id).First());
+		}
+	}
+}

FreeSql.Tests/SqlServer/SqlServerCodeFirstTest.cs

@@ -19,6 +19,25 @@ namespace FreeSql.Tests.SqlServer {
 			_sqlserverFixture = sqlserverFixture;
 		}
 
+		[Fact]
+		public void AddUniques() {
+			var sql = _sqlserverFixture.SqlServer.CodeFirst.GetComparisonDDLStatements<AddUniquesInfo>();
+			_sqlserverFixture.SqlServer.CodeFirst.SyncStructure<AddUniquesInfo>();
+		}
+		[Table(Name = "AddUniquesInfo", OldName = "AddUniquesInfo2")]
+		class AddUniquesInfo {
+			public Guid id { get; set; }
+			[Column(Unique = "uk_phone")]
+			public string phone { get; set; }
+
+			[Column(Unique = "uk_group_index")]
+			public string group { get; set; }
+			[Column(Unique = "uk_group_index11")]
+			public int index { get; set; }
+			[Column(Unique = "uk_group_index222")]
+			public string index22 { get; set; }
+		}
+
 		[Fact]
 		public void AddField() {
 			var sql = _sqlserverFixture.SqlServer.CodeFirst.GetComparisonDDLStatements<TopicAddField>();

FreeSql.Tests/SqlServer/SqlServerDbFirstTest.cs

@@ -24,7 +24,7 @@ namespace FreeSql.Tests.SqlServer {
 		[Fact]
 		public void GetTablesByDatabase() {
 
-			var t2 = _sqlserverFixture.SqlServer.DbFirst.GetTablesByDatabase(_sqlserverFixture.SqlServer.DbFirst.GetDatabases()[0]);
+			var t2 = _sqlserverFixture.SqlServer.DbFirst.GetTablesByDatabase();
 
 		}
 	}

FreeSql.Tests/Sqlite/MapType/EnumTest.cs

@@ -0,0 +1,254 @@
+using FreeSql.DataAnnotations;
+using System;
+using System.Numerics;
+using Xunit;
+
+namespace FreeSql.Tests.SqliteMapType {
+	public class EnumTest {
+		class EnumTestMap {
+			public Guid id { get; set; }
+
+			[Column(MapType = typeof(string))]
+			public ToStringMapEnum enum_to_string { get; set; }
+			[Column(MapType = typeof(string))]
+			public ToStringMapEnum? enumnullable_to_string { get; set; }
+
+			[Column(MapType = typeof(int))]
+			public ToStringMapEnum enum_to_int { get; set; }
+			[Column(MapType = typeof(int?))]
+			public ToStringMapEnum? enumnullable_to_int { get; set; }
+		}
+		public enum ToStringMapEnum { 中国人, abc, 香港 }
+		[Fact]
+		public void EnumToString() {
+			//insert
+			var orm = g.sqlite;
+			var item = new EnumTestMap { };
+			Assert.Equal(1, orm.Insert<EnumTestMap>().AppendData(item).ExecuteAffrows());
+			var find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enum_to_string == ToStringMapEnum.中国人).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enum_to_string, find.enum_to_string);
+			Assert.Equal(ToStringMapEnum.中国人, find.enum_to_string);
+
+			item = new EnumTestMap { enum_to_string = ToStringMapEnum.abc };
+			Assert.Equal(1, orm.Insert<EnumTestMap>().AppendData(item).ExecuteAffrows());
+			find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enum_to_string == ToStringMapEnum.abc).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enum_to_string, find.enum_to_string);
+			Assert.Equal(ToStringMapEnum.abc, find.enum_to_string);
+
+			//update all
+			item.enum_to_string = ToStringMapEnum.香港;
+			Assert.Equal(1, orm.Update<EnumTestMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enum_to_string == ToStringMapEnum.香港).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enum_to_string, find.enum_to_string);
+			Assert.Equal(ToStringMapEnum.香港, find.enum_to_string);
+
+			item.enum_to_string = ToStringMapEnum.中国人;
+			Assert.Equal(1, orm.Update<EnumTestMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enum_to_string == ToStringMapEnum.中国人).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enum_to_string, find.enum_to_string);
+			Assert.Equal(ToStringMapEnum.中国人, find.enum_to_string);
+
+			//update set
+			Assert.Equal(1, orm.Update<EnumTestMap>().Where(a => a.id == item.id).Set(a => a.enum_to_string, ToStringMapEnum.香港).ExecuteAffrows());
+			find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enum_to_string == ToStringMapEnum.香港).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(ToStringMapEnum.香港, find.enum_to_string);
+
+			Assert.Equal(1, orm.Update<EnumTestMap>().Where(a => a.id == item.id).Set(a => a.enum_to_string, ToStringMapEnum.abc).ExecuteAffrows());
+			find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enum_to_string == ToStringMapEnum.abc).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(ToStringMapEnum.abc, find.enum_to_string);
+
+			//delete
+			Assert.Equal(0, orm.Delete<EnumTestMap>().Where(a => a.id == item.id && a.enum_to_string == ToStringMapEnum.中国人).ExecuteAffrows());
+			Assert.Equal(0, orm.Delete<EnumTestMap>().Where(a => a.id == item.id && a.enum_to_string == ToStringMapEnum.香港).ExecuteAffrows());
+			Assert.Equal(1, orm.Delete<EnumTestMap>().Where(a => a.id == item.id && a.enum_to_string == ToStringMapEnum.abc).ExecuteAffrows());
+			Assert.Null(orm.Select<EnumTestMap>().Where(a => a.id == item.id).First());
+		}
+		[Fact]
+		public void EnumNullableToString() {
+			//insert
+			var orm = g.sqlite;
+			var item = new EnumTestMap { };
+			Assert.Equal(1, orm.Insert<EnumTestMap>().AppendData(item).ExecuteAffrows());
+			var find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_string == null).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enumnullable_to_string, find.enumnullable_to_string);
+			Assert.Null(find.enumnullable_to_string);
+
+			item = new EnumTestMap { enumnullable_to_string = ToStringMapEnum.中国人 };
+			Assert.Equal(1, orm.Insert<EnumTestMap>().AppendData(item).ExecuteAffrows());
+			find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_string == ToStringMapEnum.中国人).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enumnullable_to_string, find.enumnullable_to_string);
+			Assert.Equal(ToStringMapEnum.中国人, find.enumnullable_to_string);
+
+			//update all
+			item.enumnullable_to_string = ToStringMapEnum.香港;
+			Assert.Equal(1, orm.Update<EnumTestMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_string == ToStringMapEnum.香港).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enumnullable_to_string, find.enumnullable_to_string);
+			Assert.Equal(ToStringMapEnum.香港, find.enumnullable_to_string);
+
+			item.enumnullable_to_string = null;
+			Assert.Equal(1, orm.Update<EnumTestMap>().SetSource(item).ExecuteAffrows());
+			Assert.Null(orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_string == ToStringMapEnum.香港).First());
+			find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_string == null).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enumnullable_to_string, find.enumnullable_to_string);
+			Assert.Null(find.enumnullable_to_string);
+
+			//update set
+			Assert.Equal(1, orm.Update<EnumTestMap>().Where(a => a.id == item.id).Set(a => a.enumnullable_to_string, ToStringMapEnum.abc).ExecuteAffrows());
+			find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_string == ToStringMapEnum.abc).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(ToStringMapEnum.abc, find.enumnullable_to_string);
+
+
+			Assert.Equal(1, orm.Update<EnumTestMap>().Where(a => a.id == item.id).Set(a => a.enumnullable_to_string, null).ExecuteAffrows());
+			Assert.Null(orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_string == ToStringMapEnum.abc).First());
+			find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_string == null).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Null(find.enumnullable_to_string);
+
+			//delete
+			Assert.Equal(0, orm.Delete<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_string == ToStringMapEnum.中国人).ExecuteAffrows());
+			Assert.Equal(0, orm.Delete<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_string == ToStringMapEnum.香港).ExecuteAffrows());
+			Assert.Equal(1, orm.Delete<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_string == null).ExecuteAffrows());
+			Assert.Null(orm.Select<EnumTestMap>().Where(a => a.id == item.id).First());
+		}
+
+		[Fact]
+		public void EnumToInt() {
+			//insert
+			var orm = g.sqlite;
+			var item = new EnumTestMap { };
+			Assert.Equal(1, orm.Insert<EnumTestMap>().AppendData(item).ExecuteAffrows());
+			var find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enum_to_int == ToStringMapEnum.中国人).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enum_to_int, find.enum_to_int);
+			Assert.Equal(ToStringMapEnum.中国人, find.enum_to_int);
+
+			item = new EnumTestMap { enum_to_int = ToStringMapEnum.abc };
+			Assert.Equal(1, orm.Insert<EnumTestMap>().AppendData(item).ExecuteAffrows());
+			find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enum_to_int == ToStringMapEnum.abc).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enum_to_int, find.enum_to_int);
+			Assert.Equal(ToStringMapEnum.abc, find.enum_to_int);
+
+			//update all
+			item.enum_to_int = ToStringMapEnum.香港;
+			Assert.Equal(1, orm.Update<EnumTestMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enum_to_int == ToStringMapEnum.香港).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enum_to_int, find.enum_to_int);
+			Assert.Equal(ToStringMapEnum.香港, find.enum_to_int);
+
+			item.enum_to_int = ToStringMapEnum.中国人;
+			Assert.Equal(1, orm.Update<EnumTestMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enum_to_int == ToStringMapEnum.中国人).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enum_to_int, find.enum_to_int);
+			Assert.Equal(ToStringMapEnum.中国人, find.enum_to_int);
+
+			//update set
+			Assert.Equal(1, orm.Update<EnumTestMap>().Where(a => a.id == item.id).Set(a => a.enum_to_int, ToStringMapEnum.香港).ExecuteAffrows());
+			find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enum_to_int == ToStringMapEnum.香港).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(ToStringMapEnum.香港, find.enum_to_int);
+
+			Assert.Equal(1, orm.Update<EnumTestMap>().Where(a => a.id == item.id).Set(a => a.enum_to_int, ToStringMapEnum.abc).ExecuteAffrows());
+			find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enum_to_int == ToStringMapEnum.abc).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(ToStringMapEnum.abc, find.enum_to_int);
+
+			//delete
+			Assert.Equal(0, orm.Delete<EnumTestMap>().Where(a => a.id == item.id && a.enum_to_int == ToStringMapEnum.中国人).ExecuteAffrows());
+			Assert.Equal(0, orm.Delete<EnumTestMap>().Where(a => a.id == item.id && a.enum_to_int == ToStringMapEnum.香港).ExecuteAffrows());
+			Assert.Equal(1, orm.Delete<EnumTestMap>().Where(a => a.id == item.id && a.enum_to_int == ToStringMapEnum.abc).ExecuteAffrows());
+			Assert.Null(orm.Select<EnumTestMap>().Where(a => a.id == item.id).First());
+		}
+		[Fact]
+		public void EnumNullableToInt() {
+			//insert
+			var orm = g.sqlite;
+			var item = new EnumTestMap { };
+			Assert.Equal(1, orm.Insert<EnumTestMap>().AppendData(item).ExecuteAffrows());
+			var find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_int == null).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enumnullable_to_int, find.enumnullable_to_int);
+			Assert.Null(find.enumnullable_to_int);
+
+			item = new EnumTestMap { enumnullable_to_int = ToStringMapEnum.中国人 };
+			Assert.Equal(1, orm.Insert<EnumTestMap>().AppendData(item).ExecuteAffrows());
+			find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_int == ToStringMapEnum.中国人).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enumnullable_to_int, find.enumnullable_to_int);
+			Assert.Equal(ToStringMapEnum.中国人, find.enumnullable_to_int);
+
+			//update all
+			item.enumnullable_to_int = ToStringMapEnum.香港;
+			Assert.Equal(1, orm.Update<EnumTestMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_int == ToStringMapEnum.香港).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enumnullable_to_int, find.enumnullable_to_int);
+			Assert.Equal(ToStringMapEnum.香港, find.enumnullable_to_int);
+
+			item.enumnullable_to_int = null;
+			Assert.Equal(1, orm.Update<EnumTestMap>().SetSource(item).ExecuteAffrows());
+			Assert.Null(orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_int == ToStringMapEnum.香港).First());
+			find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_int == null).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enumnullable_to_int, find.enumnullable_to_int);
+			Assert.Null(find.enumnullable_to_int);
+
+			//update set
+			Assert.Equal(1, orm.Update<EnumTestMap>().Where(a => a.id == item.id).Set(a => a.enumnullable_to_int, ToStringMapEnum.abc).ExecuteAffrows());
+			find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_int == ToStringMapEnum.abc).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(ToStringMapEnum.abc, find.enumnullable_to_int);
+
+
+			Assert.Equal(1, orm.Update<EnumTestMap>().Where(a => a.id == item.id).Set(a => a.enumnullable_to_int, null).ExecuteAffrows());
+			Assert.Null(orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_int == ToStringMapEnum.abc).First());
+			find = orm.Select<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_int == null).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Null(find.enumnullable_to_int);
+
+			//delete
+			Assert.Equal(0, orm.Delete<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_int == ToStringMapEnum.中国人).ExecuteAffrows());
+			Assert.Equal(0, orm.Delete<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_int == ToStringMapEnum.香港).ExecuteAffrows());
+			Assert.Equal(1, orm.Delete<EnumTestMap>().Where(a => a.id == item.id && a.enumnullable_to_int == null).ExecuteAffrows());
+			Assert.Null(orm.Select<EnumTestMap>().Where(a => a.id == item.id).First());
+		}
+	}
+}

FreeSql.Tests/Sqlite/MapType/ToStringTest.cs

@@ -0,0 +1,557 @@
+using FreeSql.DataAnnotations;
+using System;
+using System.Numerics;
+using Xunit;
+
+namespace FreeSql.Tests.SqliteMapType {
+	public class ToStringTest {
+		class ToStringMap {
+			public Guid id { get; set; }
+
+			[Column(MapType = typeof(string))]
+			public TimeSpan timespan_to_string { get; set; }
+			[Column(MapType = typeof(string))]
+			public TimeSpan? timespannullable_to_string { get; set; }
+
+			[Column(MapType = typeof(string))]
+			public DateTime datetime_to_string { get; set; }
+			[Column(MapType = typeof(string))]
+			public DateTime? datetimenullable_to_string { get; set; }
+
+			[Column(MapType = typeof(string))]
+			public Guid guid_to_string { get; set; }
+			[Column(MapType = typeof(string))]
+			public Guid? guidnullable_to_string { get; set; }
+
+			[Column(MapType = typeof(string))]
+			public ToStringMapEnum enum_to_string { get; set; }
+			[Column(MapType = typeof(string))]
+			public ToStringMapEnum? enumnullable_to_string { get; set; }
+
+			[Column(MapType = typeof(string))]
+			public BigInteger biginteger_to_string { get; set; }
+			[Column(MapType = typeof(string))]
+			public BigInteger? bigintegernullable_to_string { get; set; }
+		}
+		public enum ToStringMapEnum { 中国人, abc, 香港 }
+		[Fact]
+		public void Enum1() {
+			//insert
+			var orm = g.sqlite;
+			var item = new ToStringMap { };
+			Assert.Equal(1, orm.Insert<ToStringMap>().AppendData(item).ExecuteAffrows());
+			var find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.enum_to_string == ToStringMapEnum.中国人).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enum_to_string, find.enum_to_string);
+			Assert.Equal(ToStringMapEnum.中国人, find.enum_to_string);
+
+			item = new ToStringMap { enum_to_string = ToStringMapEnum.abc };
+			Assert.Equal(1, orm.Insert<ToStringMap>().AppendData(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.enum_to_string == ToStringMapEnum.abc).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enum_to_string, find.enum_to_string);
+			Assert.Equal(ToStringMapEnum.abc, find.enum_to_string);
+
+			//update all
+			item.enum_to_string = ToStringMapEnum.香港;
+			Assert.Equal(1, orm.Update<ToStringMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.enum_to_string == ToStringMapEnum.香港).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enum_to_string, find.enum_to_string);
+			Assert.Equal(ToStringMapEnum.香港, find.enum_to_string);
+
+			item.enum_to_string = ToStringMapEnum.中国人;
+			Assert.Equal(1, orm.Update<ToStringMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.enum_to_string == ToStringMapEnum.中国人).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enum_to_string, find.enum_to_string);
+			Assert.Equal(ToStringMapEnum.中国人, find.enum_to_string);
+
+			//update set
+			Assert.Equal(1, orm.Update<ToStringMap>().Where(a => a.id == item.id).Set(a => a.enum_to_string, ToStringMapEnum.香港).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.enum_to_string == ToStringMapEnum.香港).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(ToStringMapEnum.香港, find.enum_to_string);
+
+			Assert.Equal(1, orm.Update<ToStringMap>().Where(a => a.id == item.id).Set(a => a.enum_to_string, ToStringMapEnum.abc).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.enum_to_string == ToStringMapEnum.abc).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(ToStringMapEnum.abc, find.enum_to_string);
+
+			//delete
+			Assert.Equal(0, orm.Delete<ToStringMap>().Where(a => a.id == item.id && a.enum_to_string == ToStringMapEnum.中国人).ExecuteAffrows());
+			Assert.Equal(0, orm.Delete<ToStringMap>().Where(a => a.id == item.id && a.enum_to_string == ToStringMapEnum.香港).ExecuteAffrows());
+			Assert.Equal(1, orm.Delete<ToStringMap>().Where(a => a.id == item.id && a.enum_to_string == ToStringMapEnum.abc).ExecuteAffrows());
+			Assert.Null(orm.Select<ToStringMap>().Where(a => a.id == item.id).First());
+		}
+		[Fact]
+		public void EnumNullable() {
+			//insert
+			var orm = g.sqlite;
+			var item = new ToStringMap { };
+			Assert.Equal(1, orm.Insert<ToStringMap>().AppendData(item).ExecuteAffrows());
+			var find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.enumnullable_to_string == null).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enumnullable_to_string, find.enumnullable_to_string);
+			Assert.Null(find.enumnullable_to_string);
+
+			item = new ToStringMap { enumnullable_to_string = ToStringMapEnum.中国人 };
+			Assert.Equal(1, orm.Insert<ToStringMap>().AppendData(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.enumnullable_to_string == ToStringMapEnum.中国人).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enumnullable_to_string, find.enumnullable_to_string);
+			Assert.Equal(ToStringMapEnum.中国人, find.enumnullable_to_string);
+
+			//update all
+			item.enumnullable_to_string = ToStringMapEnum.香港;
+			Assert.Equal(1, orm.Update<ToStringMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.enumnullable_to_string == ToStringMapEnum.香港).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enumnullable_to_string, find.enumnullable_to_string);
+			Assert.Equal(ToStringMapEnum.香港, find.enumnullable_to_string);
+
+			item.enumnullable_to_string = null;
+			Assert.Equal(1, orm.Update<ToStringMap>().SetSource(item).ExecuteAffrows());
+			Assert.Null(orm.Select<ToStringMap>().Where(a => a.id == item.id && a.enumnullable_to_string == ToStringMapEnum.香港).First());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.enumnullable_to_string == null).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.enumnullable_to_string, find.enumnullable_to_string);
+			Assert.Null(find.enumnullable_to_string);
+
+			//update set
+			Assert.Equal(1, orm.Update<ToStringMap>().Where(a => a.id == item.id).Set(a => a.enumnullable_to_string, ToStringMapEnum.abc).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.enumnullable_to_string == ToStringMapEnum.abc).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(ToStringMapEnum.abc, find.enumnullable_to_string);
+
+
+			Assert.Equal(1, orm.Update<ToStringMap>().Where(a => a.id == item.id).Set(a => a.enumnullable_to_string, null).ExecuteAffrows());
+			Assert.Null(orm.Select<ToStringMap>().Where(a => a.id == item.id && a.enumnullable_to_string == ToStringMapEnum.abc).First());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.enumnullable_to_string == null).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Null(find.enumnullable_to_string);
+
+			//delete
+			Assert.Equal(0, orm.Delete<ToStringMap>().Where(a => a.id == item.id && a.enumnullable_to_string == ToStringMapEnum.中国人).ExecuteAffrows());
+			Assert.Equal(0, orm.Delete<ToStringMap>().Where(a => a.id == item.id && a.enumnullable_to_string == ToStringMapEnum.香港).ExecuteAffrows());
+			Assert.Equal(1, orm.Delete<ToStringMap>().Where(a => a.id == item.id && a.enumnullable_to_string == null).ExecuteAffrows());
+			Assert.Null(orm.Select<ToStringMap>().Where(a => a.id == item.id).First());
+		}
+		[Fact]
+		public void BigInteger1() {
+			//insert
+			var orm = g.sqlite;
+			var item = new ToStringMap { };
+			Assert.Equal(1, orm.Insert<ToStringMap>().AppendData(item).ExecuteAffrows());
+			var find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.biginteger_to_string == 0).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.biginteger_to_string, find.biginteger_to_string);
+			Assert.Equal(0, find.biginteger_to_string);
+
+			item = new ToStringMap { biginteger_to_string = 100 };
+			Assert.Equal(1, orm.Insert<ToStringMap>().AppendData(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.biginteger_to_string == 100).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.biginteger_to_string, find.biginteger_to_string);
+			Assert.Equal(100, find.biginteger_to_string);
+
+			//update all
+			item.biginteger_to_string = 200;
+			Assert.Equal(1, orm.Update<ToStringMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.biginteger_to_string == 200).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.biginteger_to_string, find.biginteger_to_string);
+			Assert.Equal(200, find.biginteger_to_string);
+
+			item.biginteger_to_string = 205;
+			Assert.Equal(1, orm.Update<ToStringMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.biginteger_to_string == 205).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.biginteger_to_string, find.biginteger_to_string);
+			Assert.Equal(205, find.biginteger_to_string);
+
+			//update set
+			Assert.Equal(1, orm.Update<ToStringMap>().Where(a => a.id == item.id).Set(a => a.biginteger_to_string, 522).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.biginteger_to_string == 522).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(522, find.biginteger_to_string);
+
+			Assert.Equal(1, orm.Update<ToStringMap>().Where(a => a.id == item.id).Set(a => a.biginteger_to_string, 10005).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.biginteger_to_string == 10005).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(10005, find.biginteger_to_string);
+
+			//delete
+			Assert.Equal(0, orm.Delete<ToStringMap>().Where(a => a.id == item.id && a.biginteger_to_string == 522).ExecuteAffrows());
+			Assert.Equal(0, orm.Delete<ToStringMap>().Where(a => a.id == item.id && a.biginteger_to_string == 205).ExecuteAffrows());
+			Assert.Equal(1, orm.Delete<ToStringMap>().Where(a => a.id == item.id && a.biginteger_to_string == 10005).ExecuteAffrows());
+			Assert.Null(orm.Select<ToStringMap>().Where(a => a.id == item.id).First());
+		}
+		[Fact]
+		public void BigIntegerNullable() {
+			//insert
+			var orm = g.sqlite;
+			var item = new ToStringMap { };
+			Assert.Equal(1, orm.Insert<ToStringMap>().AppendData(item).ExecuteAffrows());
+			var find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.bigintegernullable_to_string == null).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.bigintegernullable_to_string, find.bigintegernullable_to_string);
+			Assert.Null(find.bigintegernullable_to_string);
+
+			item = new ToStringMap { bigintegernullable_to_string = 101 };
+			Assert.Equal(1, orm.Insert<ToStringMap>().AppendData(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.bigintegernullable_to_string == 101).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.bigintegernullable_to_string, find.bigintegernullable_to_string);
+			Assert.Equal(101, find.bigintegernullable_to_string);
+
+			//update all
+			item.bigintegernullable_to_string = 2004;
+			Assert.Equal(1, orm.Update<ToStringMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.bigintegernullable_to_string == 2004).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.bigintegernullable_to_string, find.bigintegernullable_to_string);
+			Assert.Equal(2004, find.bigintegernullable_to_string);
+
+			item.bigintegernullable_to_string = null;
+			Assert.Equal(1, orm.Update<ToStringMap>().SetSource(item).ExecuteAffrows());
+			Assert.Null(orm.Select<ToStringMap>().Where(a => a.id == item.id && a.bigintegernullable_to_string == 2004).First());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.bigintegernullable_to_string == null).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.bigintegernullable_to_string, find.bigintegernullable_to_string);
+			Assert.Null(find.bigintegernullable_to_string);
+
+			//update set
+			Assert.Equal(1, orm.Update<ToStringMap>().Where(a => a.id == item.id).Set(a => a.bigintegernullable_to_string, 998).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.bigintegernullable_to_string == 998).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(998, find.bigintegernullable_to_string);
+
+
+			Assert.Equal(1, orm.Update<ToStringMap>().Where(a => a.id == item.id).Set(a => a.bigintegernullable_to_string, null).ExecuteAffrows());
+			Assert.Null(orm.Select<ToStringMap>().Where(a => a.id == item.id && a.bigintegernullable_to_string == 998).First());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.bigintegernullable_to_string == null).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Null(find.bigintegernullable_to_string);
+
+			//delete
+			Assert.Equal(0, orm.Delete<ToStringMap>().Where(a => a.id == item.id && a.bigintegernullable_to_string == 998).ExecuteAffrows());
+			Assert.Equal(0, orm.Delete<ToStringMap>().Where(a => a.id == item.id && a.bigintegernullable_to_string == 2004).ExecuteAffrows());
+			Assert.Equal(1, orm.Delete<ToStringMap>().Where(a => a.id == item.id && a.bigintegernullable_to_string == null).ExecuteAffrows());
+			Assert.Null(orm.Select<ToStringMap>().Where(a => a.id == item.id).First());
+		}
+		[Fact]
+		public void TimeSpan1() {
+			//insert
+			var orm = g.sqlite;
+			var item = new ToStringMap { };
+			Assert.Equal(1, orm.Insert<ToStringMap>().AppendData(item).ExecuteAffrows());
+			var find = orm.Select<ToStringMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.timespan_to_string, find.timespan_to_string);
+			Assert.Equal(TimeSpan.Zero, find.timespan_to_string);
+
+			item = new ToStringMap { timespan_to_string = TimeSpan.FromDays(1) };
+			Assert.Equal(1, orm.Insert<ToStringMap>().AppendData(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.timespan_to_string, find.timespan_to_string);
+			Assert.Equal(TimeSpan.FromDays(1), find.timespan_to_string);
+
+			//update all
+			item.timespan_to_string = TimeSpan.FromHours(10);
+			Assert.Equal(1, orm.Update<ToStringMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.timespan_to_string, find.timespan_to_string);
+			Assert.Equal(TimeSpan.FromHours(10), find.timespan_to_string);
+
+			//update set
+			Assert.Equal(1, orm.Update<ToStringMap>().Where(a => a.id == item.id).Set(a => a.timespan_to_string, TimeSpan.FromHours(11)).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(TimeSpan.FromHours(11), find.timespan_to_string);
+
+			//delete
+			Assert.Equal(1, orm.Delete<ToStringMap>().Where(a => a.id == item.id).ExecuteAffrows());
+			Assert.Null(orm.Select<ToStringMap>().Where(a => a.id == item.id).First());
+		}
+		[Fact]
+		public void TimeSpanNullable() {
+			//insert
+			var orm = g.sqlite;
+			var item = new ToStringMap { };
+			Assert.Equal(1, orm.Insert<ToStringMap>().AppendData(item).ExecuteAffrows());
+			var find = orm.Select<ToStringMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.timespannullable_to_string, find.timespannullable_to_string);
+			Assert.Null(find.timespannullable_to_string);
+
+			item = new ToStringMap { timespannullable_to_string = TimeSpan.FromDays(1) };
+			Assert.Equal(1, orm.Insert<ToStringMap>().AppendData(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.timespannullable_to_string, find.timespannullable_to_string);
+			Assert.Equal(TimeSpan.FromDays(1), find.timespannullable_to_string);
+
+			//update all
+			item.timespannullable_to_string = TimeSpan.FromHours(10);
+			Assert.Equal(1, orm.Update<ToStringMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.timespannullable_to_string, find.timespannullable_to_string);
+			Assert.Equal(TimeSpan.FromHours(10), find.timespannullable_to_string);
+
+			item.timespannullable_to_string = null;
+			Assert.Equal(1, orm.Update<ToStringMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.timespannullable_to_string, find.timespannullable_to_string);
+			Assert.Null(find.timespannullable_to_string);
+
+			//update set
+			Assert.Equal(1, orm.Update<ToStringMap>().Where(a => a.id == item.id).Set(a => a.timespannullable_to_string, TimeSpan.FromHours(11)).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(TimeSpan.FromHours(11), find.timespannullable_to_string);
+
+			Assert.Equal(1, orm.Update<ToStringMap>().Where(a => a.id == item.id).Set(a => a.timespannullable_to_string, null).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Null(find.timespannullable_to_string);
+
+			//delete
+			Assert.Equal(1, orm.Delete<ToStringMap>().Where(a => a.id == item.id).ExecuteAffrows());
+			Assert.Null(orm.Select<ToStringMap>().Where(a => a.id == item.id).First());
+		}
+		[Fact]
+		public void DateTime1() {
+			//insert
+			var orm = g.sqlite;
+			var item = new ToStringMap { };
+			Assert.Equal(1, orm.Insert<ToStringMap>().AppendData(item).ExecuteAffrows());
+			var find = orm.Select<ToStringMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.datetime_to_string, find.datetime_to_string);
+			Assert.Equal(DateTime.MinValue, find.datetime_to_string);
+
+			item = new ToStringMap { datetime_to_string = DateTime.Parse("2000-1-1") };
+			Assert.Equal(1, orm.Insert<ToStringMap>().AppendData(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.datetime_to_string, find.datetime_to_string);
+			Assert.Equal(DateTime.Parse("2000-1-1"), find.datetime_to_string);
+
+			//update all
+			item.datetime_to_string = DateTime.Parse("2000-1-11");
+			Assert.Equal(1, orm.Update<ToStringMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.datetime_to_string, find.datetime_to_string);
+			Assert.Equal(DateTime.Parse("2000-1-11"), find.datetime_to_string);
+
+			//update set
+			Assert.Equal(1, orm.Update<ToStringMap>().Where(a => a.id == item.id).Set(a => a.datetime_to_string, DateTime.Parse("2000-1-12")).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(DateTime.Parse("2000-1-12"), find.datetime_to_string);
+
+			//delete
+			Assert.Equal(1, orm.Delete<ToStringMap>().Where(a => a.id == item.id).ExecuteAffrows());
+			Assert.Null(orm.Select<ToStringMap>().Where(a => a.id == item.id).First());
+		}
+		[Fact]
+		public void DateTimeNullable() {
+			//insert
+			var orm = g.sqlite;
+			var item = new ToStringMap { };
+			Assert.Equal(1, orm.Insert<ToStringMap>().AppendData(item).ExecuteAffrows());
+			var find = orm.Select<ToStringMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.datetimenullable_to_string, find.datetimenullable_to_string);
+			Assert.Null(find.datetimenullable_to_string);
+
+			item = new ToStringMap { datetimenullable_to_string = DateTime.Parse("2000-1-1") };
+			Assert.Equal(1, orm.Insert<ToStringMap>().AppendData(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.datetimenullable_to_string, find.datetimenullable_to_string);
+			Assert.Equal(DateTime.Parse("2000-1-1"), find.datetimenullable_to_string);
+
+			//update all
+			item.datetimenullable_to_string = DateTime.Parse("2000-1-11");
+			Assert.Equal(1, orm.Update<ToStringMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.datetimenullable_to_string, find.datetimenullable_to_string);
+			Assert.Equal(DateTime.Parse("2000-1-11"), find.datetimenullable_to_string);
+
+			item.datetimenullable_to_string = null;
+			Assert.Equal(1, orm.Update<ToStringMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.datetimenullable_to_string, find.datetimenullable_to_string);
+			Assert.Null(find.datetimenullable_to_string);
+
+			//update set
+			Assert.Equal(1, orm.Update<ToStringMap>().Where(a => a.id == item.id).Set(a => a.datetimenullable_to_string, DateTime.Parse("2000-1-12")).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(DateTime.Parse("2000-1-12"), find.datetimenullable_to_string);
+
+			Assert.Equal(1, orm.Update<ToStringMap>().Where(a => a.id == item.id).Set(a => a.datetimenullable_to_string, null).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Null(find.datetimenullable_to_string);
+
+			//delete
+			Assert.Equal(1, orm.Delete<ToStringMap>().Where(a => a.id == item.id).ExecuteAffrows());
+			Assert.Null(orm.Select<ToStringMap>().Where(a => a.id == item.id).First());
+		}
+
+		[Fact]
+		public void Guid1() {
+			//insert
+			var orm = g.sqlite;
+			var item = new ToStringMap { };
+			Assert.Equal(1, orm.Insert<ToStringMap>().AppendData(item).ExecuteAffrows());
+			var find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.guid_to_string == Guid.Empty).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.guid_to_string, find.guid_to_string);
+			Assert.Equal(Guid.Empty, find.guid_to_string);
+
+			var newid = Guid.NewGuid();
+			item = new ToStringMap { guid_to_string = newid };
+			Assert.Equal(1, orm.Insert<ToStringMap>().AppendData(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.guid_to_string == newid).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.guid_to_string, find.guid_to_string);
+			Assert.Equal(newid, find.guid_to_string);
+
+			//update all
+			newid = Guid.NewGuid();
+			item.guid_to_string = newid;
+			Assert.Equal(1, orm.Update<ToStringMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.guid_to_string == newid).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.guid_to_string, find.guid_to_string);
+			Assert.Equal(newid, find.guid_to_string);
+
+			//update set
+			newid = Guid.NewGuid();
+			Assert.Equal(1, orm.Update<ToStringMap>().Where(a => a.id == item.id).Set(a => a.guid_to_string, newid).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.guid_to_string == newid).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(newid, find.guid_to_string);
+
+			//delete
+			Assert.Equal(1, orm.Delete<ToStringMap>().Where(a => a.id == item.id && a.guid_to_string == newid).ExecuteAffrows());
+			Assert.Null(orm.Select<ToStringMap>().Where(a => a.id == item.id).First());
+		}
+		[Fact]
+		public void GuidNullable() {
+			//insert
+			var orm = g.sqlite;
+			var item = new ToStringMap { };
+			Assert.Equal(1, orm.Insert<ToStringMap>().AppendData(item).ExecuteAffrows());
+			var find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.guidnullable_to_string == null).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.guidnullable_to_string, find.guidnullable_to_string);
+			Assert.Null(find.guidnullable_to_string);
+
+			var newid = Guid.NewGuid();
+			item = new ToStringMap { guidnullable_to_string = newid };
+			Assert.Equal(1, orm.Insert<ToStringMap>().AppendData(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.guidnullable_to_string == newid).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.guidnullable_to_string, find.guidnullable_to_string);
+			Assert.Equal(newid, find.guidnullable_to_string);
+
+			//update all
+			newid = Guid.NewGuid();
+			item.guidnullable_to_string = newid;
+			Assert.Equal(1, orm.Update<ToStringMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.guidnullable_to_string == newid).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.guidnullable_to_string, find.guidnullable_to_string);
+			Assert.Equal(newid, find.guidnullable_to_string);
+
+			item.guidnullable_to_string = null;
+			Assert.Equal(1, orm.Update<ToStringMap>().SetSource(item).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.guidnullable_to_string == null).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(item.guidnullable_to_string, find.guidnullable_to_string);
+			Assert.Null(find.guidnullable_to_string);
+
+			//update set
+			newid = Guid.NewGuid();
+			Assert.Equal(1, orm.Update<ToStringMap>().Where(a => a.id == item.id).Set(a => a.guidnullable_to_string, newid).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.guidnullable_to_string == newid).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Equal(newid, find.guidnullable_to_string);
+
+			Assert.Equal(1, orm.Update<ToStringMap>().Where(a => a.id == item.id).Set(a => a.guidnullable_to_string, null).ExecuteAffrows());
+			find = orm.Select<ToStringMap>().Where(a => a.id == item.id && a.guidnullable_to_string == null).First();
+			Assert.NotNull(find);
+			Assert.Equal(item.id, find.id);
+			Assert.Null(find.guidnullable_to_string);
+
+			//delete
+			Assert.Equal(1, orm.Delete<ToStringMap>().Where(a => a.id == item.id && a.guidnullable_to_string == null).ExecuteAffrows());
+			Assert.Null(orm.Select<ToStringMap>().Where(a => a.id == item.id).First());
+		}
+	}
+}

FreeSql.Tests/Sqlite/SqliteCodeFirstTest.cs

@@ -10,6 +10,25 @@ namespace FreeSql.Tests.Sqlite {
 	public class SqliteCodeFirstTest {
 
 
+		[Fact]
+		public void AddUniques() {
+			var sql = g.sqlite.CodeFirst.GetComparisonDDLStatements<AddUniquesInfo>();
+			g.sqlite.CodeFirst.SyncStructure<AddUniquesInfo>();
+		}
+		[Table(Name = "AddUniquesInfo2", OldName = "AddUniquesInfo")]
+		class AddUniquesInfo {
+			public Guid id { get; set; }
+			[Column(Unique = "uk_phone")]
+			public string phone { get; set; }
+
+			[Column(Unique = "uk_group_index")]
+			public string group { get; set; }
+			[Column(Unique = "uk_group_index111")]
+			public int index { get; set; }
+			[Column(Unique = "uk_group_index222")]
+			public string index22 { get; set; }
+		}
+
 		public class Topic {
 			public Guid Id { get; set; }
 			public string Title { get; set; }

FreeSql.Tests/UnitTest1.cs

@@ -8,6 +8,7 @@ using Newtonsoft.Json.Linq;
 using NpgsqlTypes;
 using Npgsql.LegacyPostgis;
 using System.Linq.Expressions;
+using System.Threading.Tasks;
 
 namespace FreeSql.Tests {
 	public class UnitTest1 {
@@ -51,8 +52,51 @@ namespace FreeSql.Tests {
 			public string srvReqstCntt { get; set; }
 		}
 
+		public class TestEntity : EntityBase<int> {
+			public int Test { get; set; }
+			public string Title { get; set; }
+			public override Task Persistent(IRepositoryUnitOfWork uof) {
+				uof.GetGuidRepository<TestEntity>().Insert(this);
+				return Task.CompletedTask;
+			}
+			public override Task Persistent() {
+				var res = FreeSqlDb.Insert(this);
+				res.ExecuteInserted();
+				return Task.CompletedTask;
+			}
+		}
+		public abstract class EntityBase<TKey> : DomainInfrastructure {
+			[Column(IsPrimary = true, IsIdentity = true)]
+			public TKey Id { get; set; }
+			public Guid CompanyId { get; set; }
+			[Column(IsVersion = true)]
+			public int Version { get; set; }
+		}
+
+		public abstract class DomainInfrastructure {
+			[Column(IsIgnore = true)]
+			public IFreeSql FreeSqlDb {
+				get {
+					return g.sqlite;
+				}
+			}
+
+
+			public abstract Task Persistent(IRepositoryUnitOfWork uof);
+			public abstract Task Persistent();
+		}
+
 		[Fact]
 		public void Test1() {
+
+			var testddd = new TestEntity {
+				Test = 22,
+				Title = "xxx"
+			};
+			//testddd.Persistent().Wait();
+			g.sqlite.GetRepository<TestEntity, int>().Insert(testddd);
+
+
 			var testpid1 = g.mysql.Insert<TestTypeInfo>().AppendData(new TestTypeInfo { Name = "Name" + DateTime.Now.ToString("yyyyMMddHHmmss") }).ExecuteIdentity();
 			g.mysql.Insert<TestInfo>().AppendData(new TestInfo { Title = "Title" + DateTime.Now.ToString("yyyyMMddHHmmss"), CreateTime = DateTime.Now, TypeGuid = (int)testpid1 }).ExecuteAffrows();
 

FreeSql/DataAnnotations/ColumnAttribute.cs

@@ -38,6 +38,10 @@ namespace FreeSql.DataAnnotations {
 		/// </summary>
 		public bool IsVersion { get => _IsVersion ?? false; set => _IsVersion = value; }
 
+		/// <summary>
+		/// 唯一键，多个属性指定相同的标识，代表联合键
+		/// </summary>
+		public string Unique { get; set; }
 		/// <summary>
 		/// 数据库默认值
 		/// </summary>
@@ -46,6 +50,6 @@ namespace FreeSql.DataAnnotations {
 		/// <summary>
 		/// 类型映射，比如：可将 enum 属性映射成 typeof(string)
 		/// </summary>
-		public Type Mapping { get; set; }
+		public Type MapType { get; set; }
 	}
 }

FreeSql/DataAnnotations/ColumnFluent.cs

@@ -1,4 +1,6 @@
-namespace FreeSql.DataAnnotations {
+using System;
+
+namespace FreeSql.DataAnnotations {
 	public class ColumnFluent {
 
 		public ColumnFluent(ColumnAttribute column) {
@@ -62,5 +64,23 @@
 			_column.IsVersion = value;
 			return this;
 		}
+		/// <summary>
+		/// 唯一键，多个属性指定相同的标识，代表联合键
+		/// </summary>
+		/// <param name="value">标识</param>
+		/// <returns></returns>
+		public ColumnFluent Unique(string value) {
+			_column.Unique = value;
+			return this;
+		}
+		/// <summary>
+		/// 类型映射，比如：可将 enum 属性映射成 typeof(string)
+		/// </summary>
+		/// <param name="type"></param>
+		/// <returns></returns>
+		public ColumnFluent MapType(Type type) {
+			_column.MapType = type;
+			return this;
+		}
 	}
 }

FreeSql/DatabaseModel/DBTableInfo.cs

@@ -37,15 +37,19 @@ namespace FreeSql.DatabaseModel {
 		/// <summary>
 		/// 唯一键/组合
 		/// </summary>
-		public List<List<DbColumnInfo>> Uniques { get; internal set; } = new List<List<DbColumnInfo>>();
+		public Dictionary<string, List<DbColumnInfo>> UniquesDict { get; internal set; } = new Dictionary<string, List<DbColumnInfo>>();
 		/// <summary>
 		/// 索引/组合
 		/// </summary>
-		public List<List<DbColumnInfo>> Indexes { get; internal set; } = new List<List<DbColumnInfo>>();
+		public Dictionary<string, List<DbColumnInfo>> IndexesDict { get; internal set; } = new Dictionary<string, List<DbColumnInfo>>();
 		/// <summary>
 		/// 外键
 		/// </summary>
-		public List<DbForeignInfo> Foreigns { get; internal set; } = new List<DbForeignInfo>();
+		public Dictionary<string, DbForeignInfo> ForeignsDict { get; internal set; } = new Dictionary<string, DbForeignInfo>();
+
+		public IEnumerable<List<DbColumnInfo>> Uniques => UniquesDict.Values;
+		public IEnumerable<List<DbColumnInfo>> Indexes => IndexesDict.Values;
+		public IEnumerable<DbForeignInfo> Foreigns => ForeignsDict.Values;
 	}
 
 	public enum DbTableType {

FreeSql/Extensions/EntityUtilExtensions.cs

@@ -41,18 +41,30 @@ namespace FreeSql.Extensions.EntityUtil {
 					Expression.Assign(var3IsNull, Expression.Constant(false))
 				});
 				for (var a = 0; a < pks.Length; a++) {
-					var isguid = pks[a].CsType.NullableTypeOrThis() == typeof(Guid);
+					var isguid = pks[a].Attribute.MapType.NullableTypeOrThis() == typeof(Guid) || pks[a].CsType.NullableTypeOrThis() == typeof(Guid);
 					Expression expthen = null;
 					if (isguid) {
-						expthen = Expression.Block(
+						if (pks[a].Attribute.MapType == pks[a].CsType) {
-							new Expression[]{
+							expthen = Expression.Block(
-								Expression.Assign(Expression.MakeMemberAccess(var1Parm, _table.Properties[pks[a].CsName]), Expression.Call(MethodFreeUtilNewMongodbId)),
+								new Expression[]{
-								a > 0 ? Expression.Call(var2Sb, MethodStringBuilderAppend, Expression.Constant(splitString)) : null,
+									Expression.Assign(Expression.MakeMemberAccess(var1Parm, _table.Properties[pks[a].CsName]), Expression.Call(MethodFreeUtilNewMongodbId)),
-								Expression.Call(var2Sb, MethodStringBuilderAppend,
+									a > 0 ? Expression.Call(var2Sb, MethodStringBuilderAppend, Expression.Constant(splitString)) : null,
-									Expression.Convert(Expression.MakeMemberAccess(var1Parm, _table.Properties[pks[a].CsName]), typeof(object))
+									Expression.Call(var2Sb, MethodStringBuilderAppend,
-								)
+										Expression.Convert(Expression.MakeMemberAccess(var1Parm, _table.Properties[pks[a].CsName]), typeof(object))
-							}.Where(c => c != null).ToArray()
+									)
-						);
+								}.Where(c => c != null).ToArray()
+							);
+						} else {
+							expthen = Expression.Block(
+								new Expression[]{
+									Expression.Assign(Expression.MakeMemberAccess(var1Parm, _table.Properties[pks[a].CsName]), FreeSql.Internal.Utils.GetDataReaderValueBlockExpression(pks[a].CsType, Expression.Call(MethodFreeUtilNewMongodbId))),
+									a > 0 ? Expression.Call(var2Sb, MethodStringBuilderAppend, Expression.Constant(splitString)) : null,
+									Expression.Call(var2Sb, MethodStringBuilderAppend,
+										Expression.Convert(Expression.MakeMemberAccess(var1Parm, _table.Properties[pks[a].CsName]), typeof(object))
+									)
+								}.Where(c => c != null).ToArray()
+							);
+						}
 					} else if (pks.Length > 1 && pks[a].Attribute.IsIdentity) {
 						expthen = Expression.Block(
 								new Expression[]{
@@ -252,6 +264,7 @@ namespace FreeSql.Extensions.EntityUtil {
 					Expression.Assign(var2Parm, Expression.TypeAs(parm2, t))
 				});
 				foreach (var prop in _table.Properties.Values) {
+					if (_table.ColumnsByCsIgnore.ContainsKey(prop.Name)) continue;
 					if (_table.ColumnsByCs.ContainsKey(prop.Name)) {
 						exps.Add(
 							Expression.Assign(
@@ -259,7 +272,7 @@ namespace FreeSql.Extensions.EntityUtil {
 								Expression.MakeMemberAccess(var1Parm, prop)
 							)
 						);
-					} else {
+					} else if (prop.GetSetMethod() != null) {
 						exps.Add(
 							Expression.Assign(
 								Expression.MakeMemberAccess(var2Parm, prop),
@@ -405,14 +418,23 @@ namespace FreeSql.Extensions.EntityUtil {
 					Expression.Assign(var1Parm, Expression.TypeAs(parm1, t))
 				});
 				foreach (var pk in _table.Primarys) {
-					if (pk.CsType == typeof(Guid) || pk.CsType == typeof(Guid?) ||
+					if (pk.Attribute.IsIdentity || pk.Attribute.MapType == pk.CsType && pk.Attribute.MapType.NullableTypeOrThis() == typeof(Guid)) {
-						pk.Attribute.IsIdentity) {
 						exps.Add(
 							Expression.Assign(
 								Expression.MakeMemberAccess(var1Parm, _table.Properties[pk.CsName]),
 								Expression.Default(pk.CsType)
 							)
 						);
+						continue;
+					}
+					if (pk.Attribute.MapType != pk.CsType && (pk.Attribute.MapType.NullableTypeOrThis() == typeof(Guid) || pk.CsType.NullableTypeOrThis() == typeof(Guid))) {
+						exps.Add(
+							Expression.Assign(
+								Expression.MakeMemberAccess(var1Parm, _table.Properties[pk.CsName]),
+								FreeSql.Internal.Utils.GetDataReaderValueBlockExpression(pk.CsType, Expression.Default(pk.Attribute.MapType))
+							)
+						);
+						continue;
 					}
 				}
 				return Expression.Lambda<Action<object>>(Expression.Block(new[] { var1Parm }, exps), new[] { parm1 }).Compile();

FreeSql/FreeSql.csproj

@@ -2,7 +2,7 @@
 
 	<PropertyGroup>
 		<TargetFramework>netstandard2.0</TargetFramework>
-		<Version>0.5.4.1</Version>
+		<Version>0.5.5</Version>
 		<GeneratePackageOnBuild>true</GeneratePackageOnBuild>
 		<Authors>YeXiangQin</Authors>
 		<Description>FreeSql is the most convenient ORM in dotnet. It supports Mysql, Postgresql, SqlServer, Oracle and Sqlite.</Description>

FreeSql/Internal/CommonExpression.cs

@@ -13,18 +13,21 @@ namespace FreeSql.Internal {
 	internal abstract class CommonExpression {
 
 		internal CommonUtils _common;
+		internal CommonProvider.AdoProvider _ado => _adoPriv ?? (_adoPriv = _common._orm.Ado as CommonProvider.AdoProvider);
+		CommonProvider.AdoProvider _adoPriv;
 		internal CommonExpression(CommonUtils common) {
 			_common = common;
 		}
 
 		static ConcurrentDictionary<Type, PropertyInfo[]> _dicReadAnonymousFieldDtoPropertys = new ConcurrentDictionary<Type, PropertyInfo[]>();
 		internal bool ReadAnonymousField(List<SelectTableInfo> _tables, StringBuilder field, ReadAnonymousTypeInfo parent, ref int index, Expression exp, Func<Expression[], string> getSelectGroupingMapString) {
+			Func<ExpTSC> getTSC = () => new ExpTSC { _tables = _tables, getSelectGroupingMapString = getSelectGroupingMapString, tbtype = SelectTableInfoType.From, isQuoteName = true, isDisableDiyParse = false, style = ExpressionStyle.Where };
 			switch (exp.NodeType) {
 				case ExpressionType.Quote: return ReadAnonymousField(_tables, field, parent, ref index, (exp as UnaryExpression)?.Operand, getSelectGroupingMapString);
 				case ExpressionType.Lambda: return ReadAnonymousField(_tables, field, parent, ref index, (exp as LambdaExpression)?.Body, getSelectGroupingMapString);
 				case ExpressionType.Negate:
 				case ExpressionType.NegateChecked:
-					parent.DbField = $"-({ExpressionLambdaToSql(exp, _tables, null, getSelectGroupingMapString, SelectTableInfoType.From, true, false, ExpressionStyle.Where)})";
+					parent.DbField = $"-({ExpressionLambdaToSql(exp, getTSC())})";
 					field.Append(", ").Append(parent.DbField);
 					if (index >= 0) field.Append(" as").Append(++index);
 					return false;
@@ -51,7 +54,7 @@ namespace FreeSql.Internal {
 						callExp.Arguments[0].Type.FullName == "System.String")
 						parent.DbField = (callExp.Arguments[0] as ConstantExpression).Value?.ToString() ?? "NULL";
 					else
-						parent.DbField = ExpressionLambdaToSql(exp, _tables, null, getSelectGroupingMapString, SelectTableInfoType.From, true, false, ExpressionStyle.Where);
+						parent.DbField = ExpressionLambdaToSql(exp, getTSC());
 					field.Append(", ").Append(parent.DbField);
 					if (index >= 0) field.Append(" as").Append(++index);
 					return false;
@@ -67,17 +70,19 @@ namespace FreeSql.Internal {
 							var child = new ReadAnonymousTypeInfo {
 								Property = tb.Properties.TryGetValue(map[idx].Column.CsName, out var tryprop) ? tryprop : tb.Type.GetProperty(map[idx].Column.CsName, BindingFlags.Public | BindingFlags.IgnoreCase | BindingFlags.Instance),
 								CsName = map[idx].Column.CsName, DbField = $"{map[idx].Table.Alias}.{_common.QuoteSqlName(map[idx].Column.Attribute.Name)}",
-								CsType = map[idx].Column.CsType
+								CsType = map[idx].Column.CsType,
+								MapType = map[idx].Column.Attribute.MapType
 							};
-							field.Append(", ").Append(_common.QuoteReadColumn(map[idx].Column.CsType, child.DbField));
+							field.Append(", ").Append(_common.QuoteReadColumn(child.MapType, child.DbField));
 							if (index >= 0) field.Append(" as").Append(++index);
 							parent.Childs.Add(child);
 						}
 					} else {
 						parent.CsType = exp.Type;
-						parent.DbField = ExpressionLambdaToSql(exp, _tables, null, getSelectGroupingMapString, SelectTableInfoType.From, true, false, ExpressionStyle.Where);
+						parent.DbField = ExpressionLambdaToSql(exp, getTSC());
 						field.Append(", ").Append(parent.DbField);
 						if (index >= 0) field.Append(" as").Append(++index);
+						parent.MapType = SearchColumnByField(_tables, null, parent.DbField)?.Attribute.MapType ?? exp.Type;
 						return false;
 					}
 					return false;
@@ -93,7 +98,8 @@ namespace FreeSql.Internal {
 							var child = new ReadAnonymousTypeInfo {
 								Property = initExp.Type.GetProperty(initExp.Bindings[a].Member.Name, BindingFlags.Public | BindingFlags.IgnoreCase | BindingFlags.Instance),
 								CsName = initExp.Bindings[a].Member.Name,
-								CsType = initAssignExp.Expression.Type
+								CsType = initAssignExp.Expression.Type,
+								MapType = initAssignExp.Expression.Type
 							};
 							parent.Childs.Add(child);
 							ReadAnonymousField(_tables, field, child, ref index, initAssignExp.Expression, getSelectGroupingMapString);
@@ -107,7 +113,8 @@ namespace FreeSql.Internal {
 									var child = new ReadAnonymousTypeInfo {
 										Property = dtoProp,
 										CsName = dtoProp.Name,
-										CsType = dtoProp.PropertyType
+										CsType = dtoProp.PropertyType,
+										MapType = trydtocol.Attribute.MapType
 									};
 									parent.Childs.Add(child);
 									if (dtTb.Parameter != null)
@@ -133,7 +140,8 @@ namespace FreeSql.Internal {
 							var child = new ReadAnonymousTypeInfo {
 								Property = newExp.Type.GetProperty(newExp.Members[a].Name, BindingFlags.Public | BindingFlags.IgnoreCase | BindingFlags.Instance),
 								CsName = newExp.Members[a].Name,
-								CsType = newExp.Arguments[a].Type
+								CsType = newExp.Arguments[a].Type,
+								MapType = newExp.Arguments[a].Type
 							};
 							parent.Childs.Add(child);
 							ReadAnonymousField(_tables, field, child, ref index, newExp.Arguments[a], getSelectGroupingMapString);
@@ -148,7 +156,8 @@ namespace FreeSql.Internal {
 									var child = new ReadAnonymousTypeInfo {
 										Property = dtoProp,
 										CsName = dtoProp.Name,
-										CsType = dtoProp.PropertyType
+										CsType = dtoProp.PropertyType,
+										MapType = trydtocol.Attribute.MapType
 									};
 									parent.Childs.Add(child);
 									if (dtTb.Parameter != null)
@@ -166,7 +175,7 @@ namespace FreeSql.Internal {
 					}
 					return true;
 			}
-			parent.DbField = $"({ExpressionLambdaToSql(exp, _tables, null, getSelectGroupingMapString, SelectTableInfoType.From, true, false, ExpressionStyle.Where)})";
+			parent.DbField = $"({ExpressionLambdaToSql(exp, getTSC())})";
 			field.Append(", ").Append(parent.DbField);
 			if (index >= 0) field.Append(" as").Append(++index);
 			return false;
@@ -177,7 +186,9 @@ namespace FreeSql.Internal {
 					++index;
 					return Utils.GetDataReaderValue(parent.CsType, null);
 				}
-				return Utils.GetDataReaderValue(parent.CsType, dr.GetValue(++index));
+				if (parent.CsType == parent.MapType)
+					return Utils.GetDataReaderValue(parent.CsType, dr.GetValue(++index));
+				return Utils.GetDataReaderValue(parent.CsType, Utils.GetDataReaderValue(parent.MapType, dr.GetValue(++index)));
 			}
 			switch (parent.ConsturctorType) {
 				case ReadAnonymousTypeInfoConsturctorType.Arguments:
@@ -204,10 +215,25 @@ namespace FreeSql.Internal {
 			return null;
 		}
 
-		internal string ExpressionConstant(ConstantExpression exp) => _common.FormatSql("{0}", exp?.Value);
+		internal ColumnInfo SearchColumnByField(List<SelectTableInfo> _tables, TableInfo currentTable, string field) {
+			if (_tables != null) {
+				var testCol = _common.TrimQuoteSqlName(field).Split(new[] { '.' }, 2);
+				if (testCol.Length == 2) {
+					var testTb = _tables.Where(a => a.Alias == testCol[0]).ToArray();
+					if (testTb.Length == 1 && testTb[0].Table.Columns.TryGetValue(testCol[1], out var trytstcol))
+						return trytstcol;
+				}
+			}
+			if (currentTable != null) {
+				var testCol = _common.TrimQuoteSqlName(field);
+				if (currentTable.Columns.TryGetValue(testCol, out var trytstcol))
+					return trytstcol;
+			}
+			return null;
+		}
 
 		internal string ExpressionSelectColumn_MemberAccess(List<SelectTableInfo> _tables, List<SelectColumnInfo> _selectColumnMap, SelectTableInfoType tbtype, Expression exp, bool isQuoteName, Func<Expression[], string> getSelectGroupingMapString) {
-			return ExpressionLambdaToSql(exp, _tables, _selectColumnMap, getSelectGroupingMapString, tbtype, isQuoteName, false, ExpressionStyle.SelectColumns);
+			return ExpressionLambdaToSql(exp, new ExpTSC { _tables = _tables, _selectColumnMap = _selectColumnMap, getSelectGroupingMapString = getSelectGroupingMapString, tbtype = tbtype, isQuoteName = isQuoteName, isDisableDiyParse = false, style = ExpressionStyle.SelectColumns });
 		}
 
 		internal string[] ExpressionSelectColumns_MemberAccess_New_NewArrayInit(List<SelectTableInfo> _tables, Expression exp, bool isQuoteName, Func<Expression[], string> getSelectGroupingMapString) {
@@ -250,9 +276,9 @@ namespace FreeSql.Internal {
 			{ ExpressionType.Modulo, "%" },
 			{ ExpressionType.Equal, "=" },
 		};
-		internal string ExpressionWhereLambdaNoneForeignObject(List<SelectTableInfo> _tables, List<SelectColumnInfo> _selectColumnMap, Expression exp, Func<Expression[], string> getSelectGroupingMapString) {
+		internal string ExpressionWhereLambdaNoneForeignObject(List<SelectTableInfo> _tables, TableInfo table, List<SelectColumnInfo> _selectColumnMap, Expression exp, Func<Expression[], string> getSelectGroupingMapString) {
-			var sql = ExpressionLambdaToSql(exp, _tables, _selectColumnMap, getSelectGroupingMapString, SelectTableInfoType.From, true, false, ExpressionStyle.Where);
+			var sql = ExpressionLambdaToSql(exp, new ExpTSC { _tables = _tables, _selectColumnMap = _selectColumnMap, getSelectGroupingMapString = getSelectGroupingMapString, tbtype = SelectTableInfoType.From, isQuoteName = true, isDisableDiyParse = false, style = ExpressionStyle.Where, currentTable = table });
-			switch(sql) {
+			switch (sql) {
 				case "1":
 				case "'t'": return "1=1";
 				case "0":
@@ -262,7 +288,7 @@ namespace FreeSql.Internal {
 		}
 
 		internal string ExpressionWhereLambda(List<SelectTableInfo> _tables, Expression exp, Func<Expression[], string> getSelectGroupingMapString) {
-			var sql = ExpressionLambdaToSql(exp, _tables, null, getSelectGroupingMapString, SelectTableInfoType.From, true, false, ExpressionStyle.Where);
+			var sql = ExpressionLambdaToSql(exp, new ExpTSC { _tables = _tables, getSelectGroupingMapString = getSelectGroupingMapString, tbtype = SelectTableInfoType.From, isQuoteName = true, isDisableDiyParse = false, style = ExpressionStyle.Where });
 			switch (sql) {
 				case "1":
 				case "'t'": return "1=1";
@@ -273,7 +299,7 @@ namespace FreeSql.Internal {
 		}
 		internal void ExpressionJoinLambda(List<SelectTableInfo> _tables, SelectTableInfoType tbtype, Expression exp, Func<Expression[], string> getSelectGroupingMapString) {
 			var tbidx = _tables.Count;
-			var filter = ExpressionLambdaToSql(exp, _tables, null, getSelectGroupingMapString, tbtype, true, false, ExpressionStyle.Where);
+			var filter = ExpressionLambdaToSql(exp, new ExpTSC { _tables = _tables, getSelectGroupingMapString = getSelectGroupingMapString, tbtype = tbtype, isQuoteName = true, isDisableDiyParse = false, style = ExpressionStyle.Where });
 			switch (filter) {
 				case "1":
 				case "'t'": filter = "1=1"; break;
@@ -300,50 +326,80 @@ namespace FreeSql.Internal {
 		static ConcurrentDictionary<Type, MethodInfo> _dicExpressionLambdaToSqlAsSelectAnyMethodInfo = new ConcurrentDictionary<Type, MethodInfo>();
 		static ConcurrentDictionary<Type, PropertyInfo> _dicNullableValueProperty = new ConcurrentDictionary<Type, PropertyInfo>();
 		static ConcurrentDictionary<Type, Expression> _dicFreeSqlGlobalExtensionsAsSelectExpression = new ConcurrentDictionary<Type, Expression>();
-		internal string ExpressionLambdaToSql(Expression exp, List<SelectTableInfo> _tables, List<SelectColumnInfo> _selectColumnMap, Func<Expression[], string> getSelectGroupingMapString, SelectTableInfoType tbtype, bool isQuoteName, bool isDisableDiyParse, ExpressionStyle style) {
+
+		internal string ExpressionBinary(string oper, Expression leftExp, Expression rightExp, ExpTSC tsc) {
+			var left = ExpressionLambdaToSql(leftExp, tsc);
+			var leftMapColumn = SearchColumnByField(tsc._tables, tsc.currentTable, left);
+			var isLeftMapType = leftMapColumn != null && (leftMapColumn.Attribute.MapType != rightExp.Type || leftMapColumn.CsType != rightExp.Type);
+			ColumnInfo rightMapColumn = null;
+			var isRightMapType = false;
+			if (isLeftMapType) tsc.mapType = leftMapColumn.Attribute.MapType;
+
+			var right = ExpressionLambdaToSql(rightExp, tsc);
+			if (right != "NULL" && isLeftMapType) {
+				var enumType = leftMapColumn.CsType.NullableTypeOrThis();
+				if (enumType.IsEnum)
+					right = formatSql(Enum.Parse(enumType, right.Trim('\'')), leftMapColumn.Attribute.MapType);
+			}
+			if (leftMapColumn == null) {
+				rightMapColumn = SearchColumnByField(tsc._tables, tsc.currentTable, right);
+				isRightMapType = rightMapColumn != null && (rightMapColumn.Attribute.MapType != leftExp.Type || rightMapColumn.CsType != leftExp.Type);
+				if (isRightMapType) {
+					tsc.mapType = rightMapColumn.Attribute.MapType;
+					left = ExpressionLambdaToSql(leftExp, tsc);
+					if (left != "NULL" && isRightMapType) {
+						var enumType = rightMapColumn.CsType.NullableTypeOrThis();
+						if (enumType.IsEnum)
+							left = formatSql(Enum.Parse(enumType, left.Trim('\'')), rightMapColumn.Attribute.MapType);
+					}
+				}
+			}
+
+			if (left == "NULL") {
+				var tmp = right;
+				right = left;
+				left = tmp;
+			}
+			if (right == "NULL") oper = oper == "=" ? " IS " : " IS NOT ";
+			if (oper == "+" && (leftExp.Type.FullName == "System.String" || rightExp.Type.FullName == "System.String")) return _common.StringConcat(new[] { left, right }, new[] { leftExp.Type, rightExp.Type });
+			if (oper == "%") return _common.Mod(left, right, leftExp.Type, rightExp.Type);
+			tsc.mapType = null;
+			return $"{left} {oper} {right}";
+		}
+		internal string ExpressionLambdaToSql(Expression exp, ExpTSC tsc) {
 			if (exp == null) return "";
-			if (isDisableDiyParse == false && _common._orm.Aop.ParseExpression != null) {
+			if (tsc.isDisableDiyParse == false && _common._orm.Aop.ParseExpression != null) {
-				var args = new AopParseExpressionEventArgs(exp, ukexp => ExpressionLambdaToSql(exp, _tables, _selectColumnMap, getSelectGroupingMapString, tbtype, isQuoteName, true, style));
+				var args = new AopParseExpressionEventArgs(exp, ukexp => ExpressionLambdaToSql(exp, tsc.CloneDisableDiyParse()));
 				_common._orm.Aop.ParseExpression?.Invoke(this, args);
 				if (string.IsNullOrEmpty(args.Result) == false) return args.Result;
 			}
 			switch (exp.NodeType) {
-				case ExpressionType.Not: return $"not({ExpressionLambdaToSql((exp as UnaryExpression)?.Operand, _tables, _selectColumnMap, getSelectGroupingMapString, tbtype, isQuoteName, isDisableDiyParse, style)})";
+				case ExpressionType.Not: return $"not({ExpressionLambdaToSql((exp as UnaryExpression)?.Operand, tsc)})";
-				case ExpressionType.Quote: return ExpressionLambdaToSql((exp as UnaryExpression)?.Operand, _tables, _selectColumnMap, getSelectGroupingMapString, tbtype, isQuoteName, isDisableDiyParse, style);
+				case ExpressionType.Quote: return ExpressionLambdaToSql((exp as UnaryExpression)?.Operand, tsc);
-				case ExpressionType.Lambda: return ExpressionLambdaToSql((exp as LambdaExpression)?.Body, _tables, _selectColumnMap, getSelectGroupingMapString, tbtype, isQuoteName, isDisableDiyParse, style);
+				case ExpressionType.Lambda: return ExpressionLambdaToSql((exp as LambdaExpression)?.Body, tsc);
 				case ExpressionType.TypeAs:
 				case ExpressionType.Convert:
-					//var othercExp = ExpressionLambdaToSqlOther(exp, _tables, _selectColumnMap, getSelectGroupingMapString, tbtype, isQuoteName, isDisableDiyParse, style);
+					//var othercExp = ExpressionLambdaToSqlOther(exp, tsc);
 					//if (string.IsNullOrEmpty(othercExp) == false) return othercExp;
-					return ExpressionLambdaToSql((exp as UnaryExpression)?.Operand, _tables, _selectColumnMap, getSelectGroupingMapString, tbtype, isQuoteName, isDisableDiyParse, style);
+					return ExpressionLambdaToSql((exp as UnaryExpression)?.Operand, tsc);
 				case ExpressionType.Negate:
-				case ExpressionType.NegateChecked: return "-" + ExpressionLambdaToSql((exp as UnaryExpression)?.Operand, _tables, _selectColumnMap, getSelectGroupingMapString, tbtype, isQuoteName, isDisableDiyParse, style);
+				case ExpressionType.NegateChecked: return "-" + ExpressionLambdaToSql((exp as UnaryExpression)?.Operand, tsc);
-				case ExpressionType.Constant: return _common.FormatSql("{0}", (exp as ConstantExpression)?.Value);
+				case ExpressionType.Constant: return formatSql((exp as ConstantExpression)?.Value, tsc.mapType);
 				case ExpressionType.Conditional:
 					var condExp = exp as ConditionalExpression;
-					return $"case when {ExpressionLambdaToSql(condExp.Test, _tables, _selectColumnMap, getSelectGroupingMapString, tbtype, isQuoteName, isDisableDiyParse, style)} then {ExpressionLambdaToSql(condExp.IfTrue, _tables, _selectColumnMap, getSelectGroupingMapString, tbtype, isQuoteName, isDisableDiyParse, style)} else {ExpressionLambdaToSql(condExp.IfFalse, _tables, _selectColumnMap, getSelectGroupingMapString, tbtype, isQuoteName, isDisableDiyParse, style)} end";
+					return $"case when {ExpressionLambdaToSql(condExp.Test, tsc)} then {ExpressionLambdaToSql(condExp.IfTrue, tsc)} else {ExpressionLambdaToSql(condExp.IfFalse, tsc)} end";
 				case ExpressionType.Call:
 					var exp3 = exp as MethodCallExpression;
 					var callType = exp3.Object?.Type ?? exp3.Method.DeclaringType;
 					switch (callType.FullName) {
-						case "System.String": return ExpressionLambdaToSqlCallString(exp3, _tables, _selectColumnMap, getSelectGroupingMapString, tbtype, isQuoteName, isDisableDiyParse, style);
+						case "System.String": return ExpressionLambdaToSqlCallString(exp3, tsc);
-						case "System.Math": return ExpressionLambdaToSqlCallMath(exp3, _tables, _selectColumnMap, getSelectGroupingMapString, tbtype, isQuoteName, isDisableDiyParse, style);
+						case "System.Math": return ExpressionLambdaToSqlCallMath(exp3, tsc);
-						case "System.DateTime": return ExpressionLambdaToSqlCallDateTime(exp3, _tables, _selectColumnMap, getSelectGroupingMapString, tbtype, isQuoteName, isDisableDiyParse, style);
+						case "System.DateTime": return ExpressionLambdaToSqlCallDateTime(exp3, tsc);
-						case "System.TimeSpan": return ExpressionLambdaToSqlCallTimeSpan(exp3, _tables, _selectColumnMap, getSelectGroupingMapString, tbtype, isQuoteName, isDisableDiyParse, style);
+						case "System.TimeSpan": return ExpressionLambdaToSqlCallTimeSpan(exp3, tsc);
-						case "System.Convert": return ExpressionLambdaToSqlCallConvert(exp3, _tables, _selectColumnMap, getSelectGroupingMapString, tbtype, isQuoteName, isDisableDiyParse, style);
+						case "System.Convert": return ExpressionLambdaToSqlCallConvert(exp3, tsc);
-					}
-					if (exp3.Method.Name == "Equals" && exp3.Object != null && exp3.Arguments.Count > 0) {
-						var tmptryoper = "=";
-						var tmpleft = ExpressionLambdaToSql(exp3.Object, _tables, _selectColumnMap, getSelectGroupingMapString, tbtype, isQuoteName, isDisableDiyParse, style);
-						var tmpright = ExpressionLambdaToSql(exp3.Arguments[0], _tables, _selectColumnMap, getSelectGroupingMapString, tbtype, isQuoteName, isDisableDiyParse, style);
-						if (tmpleft == "NULL") {
-							var tmp33 = tmpright;
-							tmpright = tmpleft;
-							tmpleft = tmp33;
-						}
-						if (tmpright == "NULL") tmptryoper = " IS ";
-						return $"{tmpleft} {tmptryoper} {tmpright}";
 					}
+					if (exp3.Method.Name == "Equals" && exp3.Object != null && exp3.Arguments.Count > 0)
+						return ExpressionBinary("=", exp3.Object, exp3.Arguments[0], tsc);
 					if (callType.FullName.StartsWith("FreeSql.ISelectGroupingAggregate`")) {
 						//if (exp3.Type == typeof(string) && exp3.Arguments.Any() && exp3.Arguments[0].NodeType == ExpressionType.Constant) {
 						//	switch (exp3.Method.Name) {
@@ -355,10 +411,10 @@ namespace FreeSql.Internal {
 						//}
 						switch (exp3.Method.Name) {
 							case "Count": return "count(1)";
-							case "Sum": return $"sum({ExpressionLambdaToSql(exp3.Arguments[0], _tables, _selectColumnMap, getSelectGroupingMapString, tbtype, isQuoteName, isDisableDiyParse, style)})";
+							case "Sum": return $"sum({ExpressionLambdaToSql(exp3.Arguments[0], tsc)})";
-							case "Avg": return $"avg({ExpressionLambdaToSql(exp3.Arguments[0], _tables, _selectColumnMap, getSelectGroupingMapString, tbtype, isQuoteName, isDisableDiyParse, style)})";
+							case "Avg": return $"avg({ExpressionLambdaToSql(exp3.Arguments[0], tsc)})";
-							case "Max": return $"max({ExpressionLambdaToSql(exp3.Arguments[0], _tables, _selectColumnMap, getSelectGroupingMapString, tbtype, isQuoteName, isDisableDiyParse, style)})";
+							case "Max": return $"max({ExpressionLambdaToSql(exp3.Arguments[0], tsc)})";
-							case "Min": return $"min({ExpressionLambdaToSql(exp3.Arguments[0], _tables, _selectColumnMap, getSelectGroupingMapString, tbtype, isQuoteName, isDisableDiyParse, style)})";
+							case "Min": return $"min({ExpressionLambdaToSql(exp3.Arguments[0], tsc)})";
 						}
 					}
 					if (callType.FullName.StartsWith("FreeSql.ISelect`")) { //子表查询
@@ -409,7 +465,10 @@ namespace FreeSql.Internal {
 																var testExecuteExp = asSelectParentExp;
 																if (asSelectParentExp.NodeType == ExpressionType.Parameter) //执行leftjoin关联
 																	testExecuteExp = Expression.Property(testExecuteExp, _common.GetTableByEntity(asSelectParentExp.Type).Properties.First().Value);
-																asSelectSql = ExpressionLambdaToSql(testExecuteExp, _tables, new List<SelectColumnInfo>(), getSelectGroupingMapString, SelectTableInfoType.LeftJoin, isQuoteName, true, ExpressionStyle.AsSelect);
+																var tsc2 = tsc.CloneSetgetSelectGroupingMapStringAndgetSelectGroupingMapStringAndtbtype(new List<SelectColumnInfo>(), tsc.getSelectGroupingMapString, SelectTableInfoType.LeftJoin);
+																tsc2.isDisableDiyParse = true;
+																tsc2.style = ExpressionStyle.AsSelect;
+																asSelectSql = ExpressionLambdaToSql(testExecuteExp, tsc2);
 															}
 														}
 													}
@@ -422,8 +481,8 @@ namespace FreeSql.Internal {
 									if (fsqlType == null) break;
 									fsqlType.GetField("_limit", BindingFlags.Instance | BindingFlags.NonPublic).SetValue(fsql, 1);
 									fsqltables = fsqlType.GetField("_tables", BindingFlags.Instance | BindingFlags.NonPublic).GetValue(fsql) as List<SelectTableInfo>;
-									//fsqltables[0].Alias = $"{_tables[0].Alias}_{fsqltables[0].Alias}";
+									//fsqltables[0].Alias = $"{tsc._tables[0].Alias}_{fsqltables[0].Alias}";
-									fsqltables.AddRange(_tables.Select(a => new SelectTableInfo {
+									fsqltables.AddRange(tsc._tables.Select(a => new SelectTableInfo {
 										Alias = a.Alias,
 										On = "1=1",
 										Table = a.Table,
@@ -482,7 +541,7 @@ namespace FreeSql.Internal {
 												typeof(FreeSqlGlobalExtensions).GetMethods(BindingFlags.Static | BindingFlags.Public).Where(mfil => mfil.Name == "AsSelect" && mfil.GetParameters().Length == 1).FirstOrDefault()?.MakeGenericMethod(refMiddleEntityType3),
 												Expression.Constant(Activator.CreateInstance(typeof(List<>).MakeGenericType(refMiddleEntityType3)))
 											));
-										var manyMainParam = _tables[0].Parameter;
+										var manyMainParam = tsc._tables[0].Parameter;
 										var manySubSelectWhereParam = Expression.Parameter(parm123Ref.RefMiddleEntityType, $"M{fsqlWhereParam.Name}_M{asSelectParentExp.ToString().Replace(".", "__")}");//, $"{fsqlWhereParam.Name}__");
 										Expression manySubSelectWhereExp = null;
 										for (var mn = 0; mn < parm123Ref.Columns.Count; mn++) {
@@ -528,7 +587,7 @@ namespace FreeSql.Internal {
 										manySubSelectExpBoy = Expression.Call(manySubSelectExpBoy, manySubSelectAny);
 										asSelectBefores.Clear();
 
-										return ExpressionLambdaToSql(manySubSelectExpBoy, _tables, _selectColumnMap, getSelectGroupingMapString, tbtype, isQuoteName, isDisableDiyParse, style);
+										return ExpressionLambdaToSql(manySubSelectExpBoy, tsc);
 									}
 									for (var mn = 0; mn < parm123Ref.Columns.Count; mn++) {
 										var col1 = parm123Ref.RefColumns[mn];
@@ -559,23 +618,23 @@ namespace FreeSql.Internal {
 							
 					//	}
 					//}
-					var other3Exp = ExpressionLambdaToSqlOther(exp3, _tables, _selectColumnMap, getSelectGroupingMapString, tbtype, isQuoteName, isDisableDiyParse, style);
+					var other3Exp = ExpressionLambdaToSqlOther(exp3, tsc);
 					if (string.IsNullOrEmpty(other3Exp) == false) return other3Exp;
 					throw new Exception($"未实现函数表达式 {exp3} 解析");
 				case ExpressionType.Parameter:
 				case ExpressionType.MemberAccess:
 					var exp4 = exp as MemberExpression;
 					if (exp4 != null) {
-						if (exp4.Expression != null && exp4.Expression.Type.IsArray == false && exp4.Expression.Type.IsNullableType()) return ExpressionLambdaToSql(exp4.Expression, _tables, _selectColumnMap, getSelectGroupingMapString, tbtype, isQuoteName, isDisableDiyParse, style);
+						if (exp4.Expression != null && exp4.Expression.Type.IsArray == false && exp4.Expression.Type.IsNullableType()) return ExpressionLambdaToSql(exp4.Expression, tsc);
 						var extRet = "";
 						var memberType = exp4.Expression?.Type ?? exp4.Type;
 						switch (memberType.FullName) {
-							case "System.String": extRet = ExpressionLambdaToSqlMemberAccessString(exp4, _tables, _selectColumnMap, getSelectGroupingMapString, tbtype, isQuoteName, isDisableDiyParse, style); break;
+							case "System.String": extRet = ExpressionLambdaToSqlMemberAccessString(exp4, tsc); break;
-							case "System.DateTime": extRet = ExpressionLambdaToSqlMemberAccessDateTime(exp4, _tables, _selectColumnMap, getSelectGroupingMapString, tbtype, isQuoteName, isDisableDiyParse, style); break;
+							case "System.DateTime": extRet = ExpressionLambdaToSqlMemberAccessDateTime(exp4, tsc); break;
-							case "System.TimeSpan": extRet = ExpressionLambdaToSqlMemberAccessTimeSpan(exp4, _tables, _selectColumnMap, getSelectGroupingMapString, tbtype, isQuoteName, isDisableDiyParse, style); break;
+							case "System.TimeSpan": extRet = ExpressionLambdaToSqlMemberAccessTimeSpan(exp4, tsc); break;
 						}
 						if (string.IsNullOrEmpty(extRet) == false) return extRet;
-						var other4Exp = ExpressionLambdaToSqlOther(exp4, _tables, _selectColumnMap, getSelectGroupingMapString, tbtype, isQuoteName, isDisableDiyParse, style);
+						var other4Exp = ExpressionLambdaToSqlOther(exp4, tsc);
 						if (string.IsNullOrEmpty(other4Exp) == false) return other4Exp;
 					}
 					var expStack = new Stack<Expression>();
@@ -613,67 +672,67 @@ namespace FreeSql.Internal {
 						}
 						break;
 					}
-					if (expStack.First().NodeType != ExpressionType.Parameter) return _common.FormatSql("{0}", Expression.Lambda(exp).Compile().DynamicInvoke());
+					if (expStack.First().NodeType != ExpressionType.Parameter) return formatSql(Expression.Lambda(exp).Compile().DynamicInvoke(), tsc.mapType);
-					if (callExp != null) return ExpressionLambdaToSql(callExp, _tables, _selectColumnMap, getSelectGroupingMapString, tbtype, isQuoteName, isDisableDiyParse, style);
+					if (callExp != null) return ExpressionLambdaToSql(callExp, tsc);
-					if (getSelectGroupingMapString != null && expStack.First().Type.FullName.StartsWith("FreeSql.ISelectGroupingAggregate`")) {
+					if (tsc.getSelectGroupingMapString != null && expStack.First().Type.FullName.StartsWith("FreeSql.ISelectGroupingAggregate`")) {
-						if (getSelectGroupingMapString != null) {
+						if (tsc.getSelectGroupingMapString != null) {
-							var expText = getSelectGroupingMapString(expStack.Where((a, b) => b >= 2).ToArray());
+							var expText = tsc.getSelectGroupingMapString(expStack.Where((a, b) => b >= 2).ToArray());
 							if (string.IsNullOrEmpty(expText) == false) return expText;
 						}
 					}
 
-					if (_tables == null) {
+					if (tsc._tables == null) {
 						var pp = expStack.Pop() as ParameterExpression;
 						var memberExp = expStack.Pop() as MemberExpression;
 						var tb = _common.GetTableByEntity(pp.Type);
 						if (tb.ColumnsByCs.ContainsKey(memberExp.Member.Name) == false) throw new ArgumentException($"{tb.DbName} 找不到列 {memberExp.Member.Name}");
-						if (_selectColumnMap != null) {
+						if (tsc._selectColumnMap != null) {
-							_selectColumnMap.Add(new SelectColumnInfo { Table = null, Column = tb.ColumnsByCs[memberExp.Member.Name] });
+							tsc._selectColumnMap.Add(new SelectColumnInfo { Table = null, Column = tb.ColumnsByCs[memberExp.Member.Name] });
 						}
 						var name = tb.ColumnsByCs[memberExp.Member.Name].Attribute.Name;
-						if (isQuoteName) name = _common.QuoteSqlName(name);
+						if (tsc.isQuoteName) name = _common.QuoteSqlName(name);
 						return name;
 					}
 					Func<TableInfo, string, bool, ParameterExpression, MemberExpression, SelectTableInfo> getOrAddTable = (tbtmp, alias, isa, parmExp, mp) => {
 						var finds = new SelectTableInfo[0];
-						if (style == ExpressionStyle.SelectColumns) {
+						if (tsc.style == ExpressionStyle.SelectColumns) {
-							finds = _tables.Where(a => a.Table.Type == tbtmp.Type).ToArray();
+							finds = tsc._tables.Where(a => a.Table.Type == tbtmp.Type).ToArray();
 							if (finds.Any()) finds = new[] { finds.First() };
 						}
 						if (finds.Length != 1 && isa && parmExp != null)
-							finds = _tables.Where(a => a.Parameter == parmExp).ToArray();
+							finds = tsc._tables.Where(a => a.Parameter == parmExp).ToArray();
 						if (finds.Length != 1) {
-							var navdot = string.IsNullOrEmpty(alias) ? new SelectTableInfo[0] : _tables.Where(a2 => a2.Parameter != null && alias.StartsWith($"{a2.Alias}__")).ToArray();
+							var navdot = string.IsNullOrEmpty(alias) ? new SelectTableInfo[0] : tsc._tables.Where(a2 => a2.Parameter != null && alias.StartsWith($"{a2.Alias}__")).ToArray();
 							if (navdot.Length > 0) {
-								var isthis = navdot[0] == _tables[0];
+								var isthis = navdot[0] == tsc._tables[0];
-								finds = _tables.Where(a2 => (isa && a2.Parameter != null || !isa && a2.Parameter == null) &&
+								finds = tsc._tables.Where(a2 => (isa && a2.Parameter != null || !isa && a2.Parameter == null) &&
 									a2.Table.Type == tbtmp.Type && a2.Alias == alias && a2.Alias.StartsWith($"{navdot[0].Alias}__") &&
 									(isthis && a2.Type != SelectTableInfoType.Parent || !isthis && a2.Type == SelectTableInfoType.Parent)).ToArray();
 								if (finds.Length == 0)
-									finds = _tables.Where(a2 => 
+									finds = tsc._tables.Where(a2 => 
 										 a2.Table.Type == tbtmp.Type && a2.Alias == alias && a2.Alias.StartsWith($"{navdot[0].Alias}__") &&
 										 (isthis && a2.Type != SelectTableInfoType.Parent || !isthis && a2.Type == SelectTableInfoType.Parent)).ToArray();
 							} else {
-								finds = _tables.Where(a2 => (isa && a2.Parameter != null || isa && a2.Parameter == null) &&
+								finds = tsc._tables.Where(a2 => (isa && a2.Parameter != null || isa && a2.Parameter == null) &&
 									a2.Table.Type == tbtmp.Type && a2.Alias == alias).ToArray();
 								if (finds.Length != 1) {
-									finds = _tables.Where(a2 => (isa && a2.Parameter != null || isa && a2.Parameter == null) &&
+									finds = tsc._tables.Where(a2 => (isa && a2.Parameter != null || isa && a2.Parameter == null) &&
 										a2.Table.Type == tbtmp.Type).ToArray();
 									if (finds.Length != 1) {
-										finds = _tables.Where(a2 => (isa && a2.Parameter != null || isa && a2.Parameter == null) &&
+										finds = tsc._tables.Where(a2 => (isa && a2.Parameter != null || isa && a2.Parameter == null) &&
 											a2.Table.Type == tbtmp.Type).ToArray();
 										if (finds.Length != 1)
-											finds = _tables.Where(a2 => a2.Table.Type == tbtmp.Type).ToArray();
+											finds = tsc._tables.Where(a2 => a2.Table.Type == tbtmp.Type).ToArray();
 									}
 								}
 							}
-							//finds = _tables.Where((a2, c2) => (isa || a2.Parameter == null) && a2.Table.CsName == tbtmp.CsName && (isthis && a2.Type != SelectTableInfoType.Parent || !isthis)).ToArray(); //外部表，内部表一起查
+							//finds = tsc._tables.Where((a2, c2) => (isa || a2.Parameter == null) && a2.Table.CsName == tbtmp.CsName && (isthis && a2.Type != SelectTableInfoType.Parent || !isthis)).ToArray(); //外部表，内部表一起查
 							//if (finds.Length > 1) {
-							//	finds = _tables.Where((a2, c2) => (isa || a2.Parameter == null) && a2.Table.CsName == tbtmp.CsName && a2.Type == SelectTableInfoType.Parent && a2.Alias == alias).ToArray(); //查询外部表
+							//	finds = tsc._tables.Where((a2, c2) => (isa || a2.Parameter == null) && a2.Table.CsName == tbtmp.CsName && a2.Type == SelectTableInfoType.Parent && a2.Alias == alias).ToArray(); //查询外部表
 							//	if (finds.Any() == false) {
-							//		finds = _tables.Where((a2, c2) => (isa || a2.Parameter == null) && a2.Table.CsName == tbtmp.CsName && a2.Type != SelectTableInfoType.Parent).ToArray(); //查询内部表
+							//		finds = tsc._tables.Where((a2, c2) => (isa || a2.Parameter == null) && a2.Table.CsName == tbtmp.CsName && a2.Type != SelectTableInfoType.Parent).ToArray(); //查询内部表
 							//		if (finds.Length > 1)
-							//			finds = _tables.Where((a2, c2) => (isa || a2.Parameter == null) && a2.Table.CsName == tbtmp.CsName && a2.Type != SelectTableInfoType.Parent && a2.Alias == alias).ToArray();
+							//			finds = tsc._tables.Where((a2, c2) => (isa || a2.Parameter == null) && a2.Table.CsName == tbtmp.CsName && a2.Type != SelectTableInfoType.Parent && a2.Alias == alias).ToArray();
 							//	}
 							//}
 						}
@@ -681,11 +740,11 @@ namespace FreeSql.Internal {
 						if (find != null && isa && parmExp != null && find.Parameter != parmExp)
 							find.Parameter = parmExp;
 						if (find == null) {
-							_tables.Add(find = new SelectTableInfo { Table = tbtmp, Alias = alias, On = null, Type = mp == null ? tbtype : SelectTableInfoType.LeftJoin, Parameter = isa ? parmExp : null });
+							tsc._tables.Add(find = new SelectTableInfo { Table = tbtmp, Alias = alias, On = null, Type = mp == null ? tsc.tbtype : SelectTableInfoType.LeftJoin, Parameter = isa ? parmExp : null });
 							if (mp?.Expression != null) { //导航条件，OneToOne、ManyToOne
-								var firstTb = _tables.First().Table;
+								var firstTb = tsc._tables.First().Table;
 								var parentTb = _common.GetTableByEntity(mp.Expression.Type);
-								var parentTbRef = parentTb.GetTableRef(mp.Member.Name, style == ExpressionStyle.AsSelect);
+								var parentTbRef = parentTb.GetTableRef(mp.Member.Name, tsc.style == ExpressionStyle.AsSelect);
 								if (parentTbRef != null) {
 									Expression navCondExp = null;
 									for (var mn = 0; mn < parentTbRef.Columns.Count; mn++) {
@@ -704,9 +763,9 @@ namespace FreeSql.Internal {
 									if (find.Type == SelectTableInfoType.InnerJoin ||
 										find.Type == SelectTableInfoType.LeftJoin ||
 										find.Type == SelectTableInfoType.RightJoin)
-										find.On = ExpressionLambdaToSql(navCondExp, _tables, null, null, find.Type, isQuoteName, isDisableDiyParse, style);
+										find.On = ExpressionLambdaToSql(navCondExp, tsc.CloneSetgetSelectGroupingMapStringAndgetSelectGroupingMapStringAndtbtype(null, null, find.Type));
 									else
-										find.NavigateCondition = ExpressionLambdaToSql(navCondExp, _tables, null, null, find.Type, isQuoteName, isDisableDiyParse, style);
+										find.NavigateCondition = ExpressionLambdaToSql(navCondExp, tsc.CloneSetgetSelectGroupingMapStringAndgetSelectGroupingMapStringAndtbtype(null, null, find.Type));
 								}
 							}
 						}
@@ -740,29 +799,29 @@ namespace FreeSql.Internal {
 									tb2 = tb2tmp;
 								}
 								if (exp2.NodeType == ExpressionType.Parameter && expStack.Any() == false) { //附加选择的参数所有列
-									if (_selectColumnMap != null) {
+									if (tsc._selectColumnMap != null) {
 										foreach (var tb2c in tb2.Columns.Values)
-											_selectColumnMap.Add(new SelectColumnInfo { Table = find2, Column = tb2c });
+											tsc._selectColumnMap.Add(new SelectColumnInfo { Table = find2, Column = tb2c });
 										if (tb2.Columns.Any()) return "";
 									}
 								}
 								if (mp2 == null || expStack.Any()) continue;
 								if (tb2.ColumnsByCs.ContainsKey(mp2.Member.Name) == false) { //如果选的是对象，附加所有列
-									if (_selectColumnMap != null) {
+									if (tsc._selectColumnMap != null) {
 										var tb3 = _common.GetTableByEntity(mp2.Type);
 										if (tb3 != null) {
 											var find3 = getOrAddTable(tb2tmp, alias2 /*$"{alias2}__{mp2.Member.Name}"*/, exp2.NodeType == ExpressionType.Parameter, parmExp2, mp2);
 
 											foreach (var tb3c in tb3.Columns.Values)
-												_selectColumnMap.Add(new SelectColumnInfo { Table = find3, Column = tb3c });
+												tsc._selectColumnMap.Add(new SelectColumnInfo { Table = find3, Column = tb3c });
 											if (tb3.Columns.Any()) return "";
 										}
 									}
 									throw new ArgumentException($"{tb2.DbName} 找不到列 {mp2.Member.Name}");
 								}
 								var col2 = tb2.ColumnsByCs[mp2.Member.Name];
-								if (_selectColumnMap != null && find2 != null) {
+								if (tsc._selectColumnMap != null && find2 != null) {
-									_selectColumnMap.Add(new SelectColumnInfo { Table = find2, Column = col2 });
+									tsc._selectColumnMap.Add(new SelectColumnInfo { Table = find2, Column = col2 });
 									return "";
 								}
 								name2 = tb2.ColumnsByCs[mp2.Member.Name].Attribute.Name;
@@ -770,63 +829,78 @@ namespace FreeSql.Internal {
 							case ExpressionType.Call:break;
 						}
 					}
-					if (isQuoteName) name2 = _common.QuoteSqlName(name2);
+					if (tsc.isQuoteName) name2 = _common.QuoteSqlName(name2);
 					return $"{alias2}.{name2}";
 			}
 			var expBinary = exp as BinaryExpression;
 			if (expBinary == null) {
-				var other99Exp = ExpressionLambdaToSqlOther(exp, _tables, _selectColumnMap, getSelectGroupingMapString, tbtype, isQuoteName, isDisableDiyParse, style);
+				var other99Exp = ExpressionLambdaToSqlOther(exp, tsc);
 				if (string.IsNullOrEmpty(other99Exp) == false) return other99Exp;
 				return "";
 			}
 			switch (expBinary.NodeType) {
 				case ExpressionType.Coalesce:
-					return _common.IsNull(ExpressionLambdaToSql(expBinary.Left, _tables, _selectColumnMap, getSelectGroupingMapString, tbtype, isQuoteName, isDisableDiyParse, style), ExpressionLambdaToSql(expBinary.Right, _tables, _selectColumnMap, getSelectGroupingMapString, tbtype, isQuoteName, isDisableDiyParse, style));
+					return _common.IsNull(ExpressionLambdaToSql(expBinary.Left, tsc), ExpressionLambdaToSql(expBinary.Right, tsc));
 				case ExpressionType.OrElse:
-					return $"({ExpressionLambdaToSql(expBinary.Left, _tables, _selectColumnMap, getSelectGroupingMapString, tbtype, isQuoteName, isDisableDiyParse, style)} OR {ExpressionLambdaToSql(expBinary.Right, _tables, _selectColumnMap, getSelectGroupingMapString, tbtype, isQuoteName, isDisableDiyParse, style)})";
+					return $"({ExpressionLambdaToSql(expBinary.Left, tsc)} OR {ExpressionLambdaToSql(expBinary.Right, tsc)})";
 			}
 			if (dicExpressionOperator.TryGetValue(expBinary.NodeType, out var tryoper) == false) return "";
-			var left = ExpressionLambdaToSql(expBinary.Left, _tables, _selectColumnMap, getSelectGroupingMapString, tbtype, isQuoteName, isDisableDiyParse, style);
+
-			var right = ExpressionLambdaToSql(expBinary.Right, _tables, _selectColumnMap, getSelectGroupingMapString, tbtype, isQuoteName, isDisableDiyParse, style);
+			return ExpressionBinary(tryoper, expBinary.Left, expBinary.Right, tsc);
-			if (left == "NULL") {
-				var tmp = right;
-				right = left;
-				left = tmp;
-			}
-			if (right == "NULL") tryoper = tryoper == "=" ? " IS " : " IS NOT ";
-			if (tryoper == "+" && (expBinary.Left.Type.FullName == "System.String" || expBinary.Right.Type.FullName == "System.String")) return _common.StringConcat(new[] { left, right }, new[] { expBinary.Left.Type, expBinary.Right.Type });
-			if (tryoper == "%") return _common.Mod(left, right, expBinary.Left.Type, expBinary.Right.Type);
-			if (_common._orm.Ado.DataType == DataType.MySql) {
-				//处理c#变态enum convert， a.EnumType1 == Xxx.Xxx，被转成了 Convert(a.EnumType1, Int32) == 1
-				if (expBinary.Left.NodeType == ExpressionType.Convert && expBinary.Right.NodeType == ExpressionType.Constant) {
-					if (long.TryParse(right, out var tryenumLong)) {
-						var enumType = (expBinary.Left as UnaryExpression)?.Operand.Type;
-						if (enumType?.IsEnum == true)
-							right = _common.FormatSql("{0}", Enum.Parse(enumType, right));
-					}
-				} else if (expBinary.Left.NodeType == ExpressionType.Constant && expBinary.Right.NodeType == ExpressionType.Convert) {
-					if (long.TryParse(left, out var tryenumLong)) {
-						var enumType = (expBinary.Right as UnaryExpression)?.Operand.Type;
-						if (enumType?.IsEnum == true)
-							left = _common.FormatSql("{0}", Enum.Parse(enumType, left));
-					}
-				}
-			}
-			return $"{left} {tryoper} {right}";
 		}
 
-		internal abstract string ExpressionLambdaToSqlMemberAccessString(MemberExpression exp, List<SelectTableInfo> _tables, List<SelectColumnInfo> _selectColumnMap, Func<Expression[], string> getSelectGroupingMapString, SelectTableInfoType tbtype, bool isQuoteName, bool isDisableDiyParse, ExpressionStyle style);
+		internal abstract string ExpressionLambdaToSqlMemberAccessString(MemberExpression exp, ExpTSC tsc);
-		internal abstract string ExpressionLambdaToSqlMemberAccessDateTime(MemberExpression exp, List<SelectTableInfo> _tables, List<SelectColumnInfo> _selectColumnMap, Func<Expression[], string> getSelectGroupingMapString, SelectTableInfoType tbtype, bool isQuoteName, bool isDisableDiyParse, ExpressionStyle style);
+		internal abstract string ExpressionLambdaToSqlMemberAccessDateTime(MemberExpression exp, ExpTSC tsc);
-		internal abstract string ExpressionLambdaToSqlMemberAccessTimeSpan(MemberExpression exp, List<SelectTableInfo> _tables, List<SelectColumnInfo> _selectColumnMap, Func<Expression[], string> getSelectGroupingMapString, SelectTableInfoType tbtype, bool isQuoteName, bool isDisableDiyParse, ExpressionStyle style);
+		internal abstract string ExpressionLambdaToSqlMemberAccessTimeSpan(MemberExpression exp, ExpTSC tsc);
-		internal abstract string ExpressionLambdaToSqlCallString(MethodCallExpression exp, List<SelectTableInfo> _tables, List<SelectColumnInfo> _selectColumnMap, Func<Expression[], string> getSelectGroupingMapString, SelectTableInfoType tbtype, bool isQuoteName, bool isDisableDiyParse, ExpressionStyle style);
+		internal abstract string ExpressionLambdaToSqlCallString(MethodCallExpression exp, ExpTSC tsc);
-		internal abstract string ExpressionLambdaToSqlCallMath(MethodCallExpression exp, List<SelectTableInfo> _tables, List<SelectColumnInfo> _selectColumnMap, Func<Expression[], string> getSelectGroupingMapString, SelectTableInfoType tbtype, bool isQuoteName, bool isDisableDiyParse, ExpressionStyle style);
+		internal abstract string ExpressionLambdaToSqlCallMath(MethodCallExpression exp, ExpTSC tsc);
-		internal abstract string ExpressionLambdaToSqlCallDateTime(MethodCallExpression exp, List<SelectTableInfo> _tables, List<SelectColumnInfo> _selectColumnMap, Func<Expression[], string> getSelectGroupingMapString, SelectTableInfoType tbtype, bool isQuoteName, bool isDisableDiyParse, ExpressionStyle style);
+		internal abstract string ExpressionLambdaToSqlCallDateTime(MethodCallExpression exp, ExpTSC tsc);
-		internal abstract string ExpressionLambdaToSqlCallTimeSpan(MethodCallExpression exp, List<SelectTableInfo> _tables, List<SelectColumnInfo> _selectColumnMap, Func<Expression[], string> getSelectGroupingMapString, SelectTableInfoType tbtype, bool isQuoteName, bool isDisableDiyParse, ExpressionStyle style);
+		internal abstract string ExpressionLambdaToSqlCallTimeSpan(MethodCallExpression exp, ExpTSC tsc);
-		internal abstract string ExpressionLambdaToSqlCallConvert(MethodCallExpression exp, List<SelectTableInfo> _tables, List<SelectColumnInfo> _selectColumnMap, Func<Expression[], string> getSelectGroupingMapString, SelectTableInfoType tbtype, bool isQuoteName, bool isDisableDiyParse, ExpressionStyle style);
+		internal abstract string ExpressionLambdaToSqlCallConvert(MethodCallExpression exp, ExpTSC tsc);
-		internal abstract string ExpressionLambdaToSqlOther(Expression exp, List<SelectTableInfo> _tables, List<SelectColumnInfo> _selectColumnMap, Func<Expression[], string> getSelectGroupingMapString, SelectTableInfoType tbtype, bool isQuoteName, bool isDisableDiyParse, ExpressionStyle style);
+		internal abstract string ExpressionLambdaToSqlOther(Expression exp, ExpTSC tsc);
 
 		internal enum ExpressionStyle {
 			Where, AsSelect, SelectColumns
 		}
+		internal class ExpTSC {
+			public List<SelectTableInfo> _tables { get; set; }
+			public List<SelectColumnInfo> _selectColumnMap { get; set; }
+			public Func<Expression[], string> getSelectGroupingMapString { get; set; }
+			public SelectTableInfoType tbtype { get; set; }
+			public bool isQuoteName { get; set; }
+			public bool isDisableDiyParse { get; set; }
+			public ExpressionStyle style { get; set; }
+			public Type mapType { get; set; }
+			public TableInfo currentTable { get; set; }
+
+			public ExpTSC CloneSetgetSelectGroupingMapStringAndgetSelectGroupingMapStringAndtbtype(List<SelectColumnInfo> v1, Func<Expression[], string> v2, SelectTableInfoType v3 ) {
+				return new ExpTSC {
+					_tables = this._tables,
+					_selectColumnMap = v1,
+					getSelectGroupingMapString = v2,
+					tbtype = v3,
+					isQuoteName = this.isQuoteName,
+					isDisableDiyParse = this.isDisableDiyParse,
+					style = this.style,
+					currentTable = this.currentTable
+				};
+			}
+			public ExpTSC CloneDisableDiyParse() {
+				return new ExpTSC {
+					_tables = this._tables,
+					_selectColumnMap = this._selectColumnMap,
+					getSelectGroupingMapString = this.getSelectGroupingMapString,
+					tbtype = this.tbtype,
+					isQuoteName = this.isQuoteName,
+					isDisableDiyParse = false,
+					style = this.style,
+					currentTable = this.currentTable
+				};
+			}
+		}
+
+		internal string formatSql(object obj, Type mapType) {
+			return string.Concat(_ado.AddslashesProcessParam(obj, mapType));
+		}
 	}
 }

FreeSql/Internal/CommonProvider/AdoProvider/AdoProviderUtils.cs

@@ -1,19 +1,22 @@
-using System.Text.RegularExpressions;
+using System;
+using System.Collections.Concurrent;
+using System.Text.RegularExpressions;
 
 namespace FreeSql.Internal.CommonProvider {
 	partial class AdoProvider {
-
+		public abstract object AddslashesProcessParam(object param, Type mapType);
-		public abstract object AddslashesProcessParam(object param);
 		public string Addslashes(string filter, params object[] parms) {
 			if (filter == null || parms == null) return string.Empty;
 			if (parms.Length == 0) return filter;
 			var nparms = new object[parms.Length];
 			for (int a = 0; a < parms.Length; a++) {
 				if (parms[a] == null)
-					filter = Regex.Replace(filter, @"\s*(=|IN)\s*\{" + a + @"\}", " IS {" + a + "}", RegexOptions.IgnoreCase);
+					filter = _dicAddslashesReplaceIsNull.GetOrAdd(a, b => new Regex(@"\s*(=|IN)\s*\{" + b + @"\}", RegexOptions.IgnoreCase | RegexOptions.Compiled))
-				nparms[a] = AddslashesProcessParam(parms[a]);
+						.Replace(filter, $" IS {{{a}}}");
+				nparms[a] = AddslashesProcessParam(parms[a], null);
 			}
 			try { string ret = string.Format(filter, nparms); return ret; } catch { return filter; }
 		}
+		static ConcurrentDictionary<int, Regex> _dicAddslashesReplaceIsNull = new ConcurrentDictionary<int, Regex>();
 	}
 }

FreeSql/Internal/CommonProvider/DeleteProvider.cs

@@ -66,7 +66,7 @@ namespace FreeSql.Internal.CommonProvider {
 		public abstract List<T1> ExecuteDeleted();
 		public abstract Task<List<T1>> ExecuteDeletedAsync();
 
-		public IDelete<T1> Where(Expression<Func<T1, bool>> exp) => this.Where(_commonExpression.ExpressionWhereLambdaNoneForeignObject(null, null, exp?.Body, null));
+		public IDelete<T1> Where(Expression<Func<T1, bool>> exp) => this.Where(_commonExpression.ExpressionWhereLambdaNoneForeignObject(null, _table, null, exp?.Body, null));
 		public IDelete<T1> Where(string sql, object parms = null) {
 			if (string.IsNullOrEmpty(sql)) return this;
 			var args = new AopWhereEventArgs(sql, parms);

FreeSql/Internal/CommonProvider/InsertProvider.cs

@@ -387,17 +387,14 @@ namespace FreeSql.Internal.CommonProvider {
 				foreach (var col in _table.Columns.Values)
 					if (col.Attribute.IsIdentity == false && _ignore.ContainsKey(col.Attribute.Name) == false) {
 						if (colidx2 > 0) sb.Append(", ");
-						object val = null;
+						object val = col.GetMapValue(d);
-						if (_table.Properties.TryGetValue(col.CsName, out var tryp)) {
+						if (col.Attribute.IsPrimary && col.Attribute.MapType.NullableTypeOrThis() == typeof(Guid) && (val == null || (Guid)val == Guid.Empty))
-							val = tryp.GetValue(d);
+							col.SetMapValue(d, val = FreeUtil.NewMongodbId());
-							if (col.Attribute.IsPrimary && (col.CsType == typeof(Guid) || col.CsType == typeof(Guid?))
-								&& (val == null || (Guid)val == Guid.Empty)) tryp.SetValue(d, val = FreeUtil.NewMongodbId());
-						}
 						if (_noneParameter)
-							sb.Append(_commonUtils.GetNoneParamaterSqlValue(specialParams, col.CsType, val));
+							sb.Append(_commonUtils.GetNoneParamaterSqlValue(specialParams, col.Attribute.MapType, val));
 						else {
-							sb.Append(_commonUtils.QuoteWriteParamter(col.CsType, _commonUtils.QuoteParamterName($"{col.CsName}_{didx}")));
+							sb.Append(_commonUtils.QuoteWriteParamter(col.Attribute.MapType, _commonUtils.QuoteParamterName($"{col.CsName}_{didx}")));
-							_params[didx * colidx + colidx2] = _commonUtils.AppendParamter(null, $"{col.CsName}_{didx}", col.CsType, val);
+							_params[didx * colidx + colidx2] = _commonUtils.AppendParamter(null, $"{col.CsName}_{didx}", col.Attribute.MapType, val);
 						}
 						++colidx2;
 					}

FreeSql/Internal/CommonProvider/SelectProvider/Select0Provider.cs

@@ -453,7 +453,7 @@ namespace FreeSql.Internal.CommonProvider {
 							if (tbiindex > 0 && colidx == 0) field.Append("\r\n");
 						}
 						var quoteName = _commonUtils.QuoteSqlName(col.Attribute.Name);
-						field.Append(_commonUtils.QuoteReadColumn(col.CsType, $"{tbi.Alias}.{quoteName}"));
+						field.Append(_commonUtils.QuoteReadColumn(col.Attribute.MapType, $"{tbi.Alias}.{quoteName}"));
 						++index;
 						if (dicfield.ContainsKey(quoteName)) field.Append(" as").Append(index);
 						else dicfield.Add(quoteName, true);
@@ -505,7 +505,7 @@ namespace FreeSql.Internal.CommonProvider {
 					if (tb.Table.ColumnsByCs.TryGetValue(prop.Name, out var col)) { //普通字段
 						if (index > 0) field.Append(", ");
 						var quoteName = _commonUtils.QuoteSqlName(col.Attribute.Name);
-						field.Append(_commonUtils.QuoteReadColumn(col.CsType, $"{tb.Alias}.{quoteName}"));
+						field.Append(_commonUtils.QuoteReadColumn(col.Attribute.MapType, $"{tb.Alias}.{quoteName}"));
 						++index;
 						if (dicfield.ContainsKey(quoteName)) field.Append(" as").Append(index);
 						else dicfield.Add(quoteName, true);
@@ -525,7 +525,7 @@ namespace FreeSql.Internal.CommonProvider {
 						foreach (var col2 in tb2.Table.Columns.Values) {
 							if (index > 0) field.Append(", ");
 							var quoteName = _commonUtils.QuoteSqlName(col2.Attribute.Name);
-							field.Append(_commonUtils.QuoteReadColumn(col2.CsType, $"{tb2.Alias}.{quoteName}"));
+							field.Append(_commonUtils.QuoteReadColumn(col2.Attribute.MapType, $"{tb2.Alias}.{quoteName}"));
 							++index;
 							++otherindex;
 							if (dicfield.ContainsKey(quoteName)) field.Append(" as").Append(index);
@@ -607,7 +607,7 @@ namespace FreeSql.Internal.CommonProvider {
 				if (tb.Table.ColumnsByCs.TryGetValue(p.Name, out var col)) { //普通字段
 					if (index > 0) field.Append(", ");
 					var quoteName = _commonUtils.QuoteSqlName(col.Attribute.Name);
-					field.Append(_commonUtils.QuoteReadColumn(col.CsType, $"{tb.Alias}.{quoteName}"));
+					field.Append(_commonUtils.QuoteReadColumn(col.Attribute.MapType, $"{tb.Alias}.{quoteName}"));
 					++index;
 					if (dicfield.ContainsKey(quoteName)) field.Append(" as").Append(index);
 					else dicfield.Add(quoteName, true);
@@ -620,7 +620,7 @@ namespace FreeSql.Internal.CommonProvider {
 					foreach (var col2 in tb2.Table.Columns.Values) {
 						if (index > 0) field.Append(", ");
 						var quoteName = _commonUtils.QuoteSqlName(col2.Attribute.Name);
-						field.Append(_commonUtils.QuoteReadColumn(col2.CsType, $"{tb2.Alias}.{quoteName}"));
+						field.Append(_commonUtils.QuoteReadColumn(col2.Attribute.MapType, $"{tb2.Alias}.{quoteName}"));
 						++index;
 						if (dicfield.ContainsKey(quoteName)) field.Append(" as").Append(index);
 						else dicfield.Add(quoteName, true);

FreeSql/Internal/CommonProvider/SelectProvider/SelectGroupingProvider.cs

@@ -24,7 +24,7 @@ namespace FreeSql.Internal.CommonProvider {
 		string getSelectGroupingMapString(Expression[] members) {
 			if (members.Any() == false) return _map.DbField;
 			var parentName = ((members.FirstOrDefault() as MemberExpression)?.Expression as MemberExpression)?.Member.Name;
-			switch(parentName) {
+			switch (parentName) {
 				case "Key":
 					var read = _map;
 					for (var a = 0; a < members.Length; a++) {
@@ -53,7 +53,7 @@ namespace FreeSql.Internal.CommonProvider {
 					var parmExp = Expression.Parameter(tb.Table.Type, tb.Alias);
 					Expression retExp = parmExp;
 					for (var a = foridx; a < members.Length; a++) {
-						switch(members[a].NodeType) {
+						switch (members[a].NodeType) {
 							case ExpressionType.Call:
 								retExp = Expression.Call(retExp, (members[a] as MethodCallExpression).Method);
 								break;
@@ -64,7 +64,7 @@ namespace FreeSql.Internal.CommonProvider {
 								return null;
 						}
 					}
-					return _comonExp.ExpressionLambdaToSql(retExp, _tables, null, null, SelectTableInfoType.From, true, true, CommonExpression.ExpressionStyle.Where);
+					return _comonExp.ExpressionLambdaToSql(retExp, new CommonExpression.ExpTSC { _tables = _tables, tbtype = SelectTableInfoType.From, isQuoteName = true, isDisableDiyParse = true, style = CommonExpression.ExpressionStyle.Where });
 			}
 			return null;
 		}

FreeSql/Internal/CommonProvider/UpdateProvider.cs

@@ -299,12 +299,15 @@ namespace FreeSql.Internal.CommonProvider {
 			_commonExpression.ExpressionSelectColumn_MemberAccess(null, cols, SelectTableInfoType.From, column?.Body, true, null);
 			if (cols.Count != 1) return this;
 			var col = cols.First();
+			object paramVal = null;
+			if (col.Column.Attribute.MapType == typeof(TMember)) paramVal = value;
+			else paramVal = Utils.GetDataReaderValue(col.Column.Attribute.MapType, value);
 			_set.Append(", ").Append(_commonUtils.QuoteSqlName(col.Column.Attribute.Name)).Append(" = ");
 			if (_noneParameter) {
-				_set.Append(_commonUtils.GetNoneParamaterSqlValue(_params, col.Column.CsType, value));
+				_set.Append(_commonUtils.GetNoneParamaterSqlValue(_params, col.Column.Attribute.MapType, paramVal));
 			} else {
-				_set.Append(_commonUtils.QuoteWriteParamter(col.Column.CsType, $"{_commonUtils.QuoteParamterName("p_")}{_params.Count}"));
+				_set.Append(_commonUtils.QuoteWriteParamter(col.Column.Attribute.MapType, $"{_commonUtils.QuoteParamterName("p_")}{_params.Count}"));
-				_commonUtils.AppendParamter(_params, null, col.Column.CsType, value);
+				_commonUtils.AppendParamter(_params, null, col.Column.Attribute.MapType, paramVal);
 			}
 			//foreach (var t in _source) Utils.FillPropertyValue(t, tryf.CsName, value);
 			return this;
@@ -313,11 +316,11 @@ namespace FreeSql.Internal.CommonProvider {
 			if (binaryExpression?.Body is BinaryExpression == false &&
 				binaryExpression?.Body.NodeType != ExpressionType.Call) return this;
 			var cols = new List<SelectColumnInfo>();
-			var expt = _commonExpression.ExpressionWhereLambdaNoneForeignObject(null, cols, binaryExpression, null);
+			var expt = _commonExpression.ExpressionWhereLambdaNoneForeignObject(null, _table, cols, binaryExpression, null);
 			if (cols.Any() == false) return this;
 			foreach (var col in cols) {
-				if (col.Column.Attribute.IsNullable == true && col.Column.CsType.IsNullableType()) {
+				if (col.Column.Attribute.IsNullable == true && col.Column.Attribute.MapType.IsNullableType()) {
-					var replval = _orm.CodeFirst.GetDbInfo(col.Column.CsType.GenericTypeArguments.FirstOrDefault())?.defaultValue;
+					var replval = _orm.CodeFirst.GetDbInfo(col.Column.Attribute.MapType.GenericTypeArguments.FirstOrDefault())?.defaultValue;
 					if (replval == null) continue;
 					var replname = _commonUtils.QuoteSqlName(col.Column.Attribute.Name);
 					expt = expt.Replace(replname, _commonUtils.IsNull(replname, _commonUtils.FormatSql("{0}", replval)));
@@ -333,7 +336,7 @@ namespace FreeSql.Internal.CommonProvider {
 			return this;
 		}
 
-		public IUpdate<T1> Where(Expression<Func<T1, bool>> expression) => this.Where(_commonExpression.ExpressionWhereLambdaNoneForeignObject(null, null, expression?.Body, null));
+		public IUpdate<T1> Where(Expression<Func<T1, bool>> expression) => this.Where(_commonExpression.ExpressionWhereLambdaNoneForeignObject(null, _table, null, expression?.Body, null));
 		public IUpdate<T1> Where(string sql, object parms = null) {
 			if (string.IsNullOrEmpty(sql)) return this;
 			var args = new AopWhereEventArgs(sql, parms);
@@ -361,8 +364,7 @@ namespace FreeSql.Internal.CommonProvider {
 				var sb = new StringBuilder();
 
 				sb.Append(_commonUtils.QuoteSqlName(col.Attribute.Name)).Append(" = ");
-				var value = _table.Properties.TryGetValue(col.CsName, out var tryp) ? tryp.GetValue(_source.First()) : DBNull.Value;
+				sb.Append(thenValue(_commonUtils.GetNoneParamaterSqlValue(_paramsSource, col.Attribute.MapType, col.GetMapValue(_source.First()))));
-				sb.Append(thenValue(_commonUtils.GetNoneParamaterSqlValue(_paramsSource, col.CsType, value)));
 
 				return sb.ToString();
 
@@ -382,8 +384,8 @@ namespace FreeSql.Internal.CommonProvider {
 					cwsb.Append(" \r\nWHEN ");
 					ToSqlWhen(cwsb, _table.Primarys, d);
 					cwsb.Append(" THEN ");
-					var value = _table.Properties.TryGetValue(col.CsName, out var tryp) ? tryp.GetValue(d) : DBNull.Value;
+					var value = col.GetMapValue(d);
-					cwsb.Append(thenValue(_commonUtils.GetNoneParamaterSqlValue(_paramsSource, col.CsType, value)));
+					cwsb.Append(thenValue(_commonUtils.GetNoneParamaterSqlValue(_paramsSource, col.Attribute.MapType, value)));
 					if (isnull == false) isnull = value == null || value == DBNull.Value;
 				}
 				cwsb.Append(" END");
@@ -427,12 +429,12 @@ namespace FreeSql.Internal.CommonProvider {
 					if (col.Attribute.IsIdentity == false && col.Attribute.IsVersion == false && _ignore.ContainsKey(col.CsName) == false) {
 						if (colidx > 0) sb.Append(", ");
 						sb.Append(_commonUtils.QuoteSqlName(col.Attribute.Name)).Append(" = ");
-						var value = _table.Properties.TryGetValue(col.CsName, out var tryp) ? tryp.GetValue(_source.First()) : null;
+						var value = col.GetMapValue(_source.First());
 						if (_noneParameter) {
-							sb.Append(_commonUtils.GetNoneParamaterSqlValue(_paramsSource, col.CsType, value));
+							sb.Append(_commonUtils.GetNoneParamaterSqlValue(_paramsSource, col.Attribute.MapType, value));
 						} else {
-							sb.Append(_commonUtils.QuoteWriteParamter(col.CsType, _commonUtils.QuoteParamterName($"p_{_paramsSource.Count}")));
+							sb.Append(_commonUtils.QuoteWriteParamter(col.Attribute.MapType, _commonUtils.QuoteParamterName($"p_{_paramsSource.Count}")));
-							_commonUtils.AppendParamter(_paramsSource, null, col.CsType, value);
+							_commonUtils.AppendParamter(_paramsSource, null, col.Attribute.MapType, value);
 						}
 						++colidx;
 					}
@@ -460,12 +462,12 @@ namespace FreeSql.Internal.CommonProvider {
 							cwsb.Append(" \r\nWHEN ");
 							ToSqlWhen(cwsb, _table.Primarys, d);
 							cwsb.Append(" THEN ");
-							var value = _table.Properties.TryGetValue(col.CsName, out var tryp) ? tryp.GetValue(d) : DBNull.Value;
+							var value = col.GetMapValue(d);
 							if (_noneParameter) {
-								cwsb.Append(_commonUtils.GetNoneParamaterSqlValue(_paramsSource, col.CsType, value));
+								cwsb.Append(_commonUtils.GetNoneParamaterSqlValue(_paramsSource, col.Attribute.MapType, value));
 							} else {
-								cwsb.Append(_commonUtils.QuoteWriteParamter(col.CsType, _commonUtils.QuoteParamterName($"p_{_paramsSource.Count}")));
+								cwsb.Append(_commonUtils.QuoteWriteParamter(col.Attribute.MapType, _commonUtils.QuoteParamterName($"p_{_paramsSource.Count}")));
-								_commonUtils.AppendParamter(_paramsSource, null, col.CsType, value);
+								_commonUtils.AppendParamter(_paramsSource, null, col.Attribute.MapType, value);
 							}
 							if (isnull == false) isnull = value == null || value == DBNull.Value;
 						}

FreeSql/Internal/CommonUtils.cs

@@ -19,6 +19,7 @@ namespace FreeSql.Internal {
 		internal abstract DbParameter[] GetDbParamtersByObject(string sql, object obj);
 		internal abstract string FormatSql(string sql, params object[] args);
 		internal abstract string QuoteSqlName(string name);
+		internal abstract string TrimQuoteSqlName(string name);
 		internal abstract string QuoteParamterName(string name);
 		internal abstract string IsNull(string sql, object value);
 		internal abstract string StringConcat(string[] objs, Type[] types);
@@ -100,6 +101,8 @@ namespace FreeSql.Internal {
 				if (trycol._IsNullable != null) attr._IsNullable = trycol.IsNullable;
 				if (trycol._IsIgnore != null) attr._IsIgnore = trycol.IsIgnore;
 				if (trycol._IsVersion != null) attr._IsVersion = trycol.IsVersion;
+				if (!string.IsNullOrEmpty(trycol.Unique)) attr.Unique = trycol.Unique;
+				if (trycol.MapType != null) attr.MapType = trycol.MapType;
 				if (trycol.DbDefautValue != null) attr.DbDefautValue = trycol.DbDefautValue;
 			}
 			var attrs = proto.GetCustomAttributes(typeof(ColumnAttribute), false);
@@ -114,34 +117,40 @@ namespace FreeSql.Internal {
 				if (tryattr._IsNullable != null) attr._IsNullable = tryattr.IsNullable;
 				if (tryattr._IsIgnore != null) attr._IsIgnore = tryattr.IsIgnore;
 				if (tryattr._IsVersion != null) attr._IsVersion = tryattr.IsVersion;
+				if (!string.IsNullOrEmpty(tryattr.Unique)) attr.Unique = tryattr.Unique;
+				if (tryattr.MapType != null) attr.MapType = tryattr.MapType;
 				if (tryattr.DbDefautValue != null) attr.DbDefautValue = tryattr.DbDefautValue;
 			}
-			if (!string.IsNullOrEmpty(attr.Name)) return attr;
+			ColumnAttribute ret = null;
-			if (!string.IsNullOrEmpty(attr.OldName)) return attr;
+			if (!string.IsNullOrEmpty(attr.Name)) ret = attr;
-			if (!string.IsNullOrEmpty(attr.DbType)) return attr;
+			if (!string.IsNullOrEmpty(attr.OldName)) ret = attr;
-			if (attr._IsPrimary != null) return attr;
+			if (!string.IsNullOrEmpty(attr.DbType)) ret = attr;
-			if (attr._IsIdentity != null) return attr;
+			if (attr._IsPrimary != null) ret = attr;
-			if (attr._IsNullable != null) return attr;
+			if (attr._IsIdentity != null) ret = attr;
-			if (attr._IsIgnore != null) return attr;
+			if (attr._IsNullable != null) ret = attr;
-			if (attr._IsVersion != null) return attr;
+			if (attr._IsIgnore != null) ret = attr;
-			if (attr.DbDefautValue != null) return attr;
+			if (attr._IsVersion != null) ret = attr;
-			return null;
+			if (!string.IsNullOrEmpty(attr.Unique)) ret = attr;
+			if (attr.MapType != null) ret = attr;
+			if (attr.DbDefautValue != null) ret = attr;
+			if (ret != null && ret.MapType == null) ret.MapType = proto.PropertyType;
+			return ret;
 		}
 
 		internal string WhereObject(TableInfo table, string aliasAndDot, object dywhere) {
 			if (dywhere == null) return "";
 			var type = dywhere.GetType();
-			var primarys = table.Columns.Values.Where(a => a.Attribute.IsPrimary == true).ToArray();
+			var primarys = table.Primarys;
-			if (primarys.Length == 1 && (type == primarys.First().CsType || type.IsNumberType() && primarys.First().CsType.IsNumberType())) {
+			var pk1 = primarys.FirstOrDefault();
-				return $"{aliasAndDot}{this.QuoteSqlName(primarys.First().Attribute.Name)} = {this.FormatSql("{0}", dywhere)}";
+			if (primarys.Length == 1 && (type == pk1.CsType || type.IsNumberType() && pk1.CsType.IsNumberType())) {
+				return $"{aliasAndDot}{this.QuoteSqlName(pk1.Attribute.Name)} = {this.FormatSql("{0}", Utils.GetDataReaderValue(pk1.Attribute.MapType, dywhere))}";
 			} else if (primarys.Length > 0 && (type == table.Type || type.BaseType == table.Type)) {
 				var sb = new StringBuilder();
 				var pkidx = 0;
 				foreach (var pk in primarys) {
-					var prop = type.GetProperty(pk.CsName, BindingFlags.Public | BindingFlags.IgnoreCase | BindingFlags.Instance);
 					if (pkidx > 0) sb.Append(" AND ");
 					sb.Append(aliasAndDot).Append(this.QuoteSqlName(pk.Attribute.Name));
-					sb.Append(this.FormatSql(" = {0}", prop.GetValue(dywhere)));
+					sb.Append(this.FormatSql(" = {0}", pk.GetMapValue(dywhere)));
 					++pkidx;
 				}
 				return sb.ToString();
@@ -165,7 +174,7 @@ namespace FreeSql.Internal {
 					if (table.Columns.TryGetValue(p.Name, out var trycol) == false) continue;
 					if (psidx > 0) sb.Append(" AND ");
 					sb.Append(aliasAndDot).Append(this.QuoteSqlName(trycol.Attribute.Name));
-					sb.Append(this.FormatSql(" = {0}", p.GetValue(dywhere)));
+					sb.Append(this.FormatSql(" = {0}", Utils.GetDataReaderValue(trycol.Attribute.MapType, p.GetValue(dywhere))));
 					++psidx;
 				}
 				if (psidx == 0) return "";
@@ -178,14 +187,14 @@ namespace FreeSql.Internal {
 			if (table.Primarys.Any() == false) return null;
 			var its = items.Where(a => a != null).ToArray();
 
+			var pk1 = table.Primarys.FirstOrDefault();
 			if (table.Primarys.Length == 1) {
 				var sbin = new StringBuilder();
-				sbin.Append(aliasAndDot).Append(this.QuoteSqlName(table.Primarys.First().Attribute.Name));
+				sbin.Append(aliasAndDot).Append(this.QuoteSqlName(pk1.Attribute.Name));
-				var indt = its.Select(a => /*this.FormatSql("{0}", _orm.GetEntityKeyValues(a))*/
+				var indt = its.Select(a => pk1.GetMapValue(a)).Where(a => a != null).ToArray();
-					table.Properties.TryGetValue(table.Primarys.First().CsName, out var trycol) ? this.FormatSql("{0}", trycol.GetValue(a)) : null).Where(a => a != null).ToArray();
 				if (indt.Any() == false) return null;
-				if (indt.Length == 1) sbin.Append(" = ").Append(indt.First());
+				if (indt.Length == 1) sbin.Append(" = ").Append(this.FormatSql("{0}", indt.First()));
-				else sbin.Append(" IN (").Append(string.Join(",", indt)).Append(")");
+				else sbin.Append(" IN (").Append(string.Join(",", indt.Select(a => this.FormatSql("{0}", a)))).Append(")");
 				return sbin.ToString();
 			}
 			var dicpk = its.Length > 5 ? new Dictionary<string, bool>() : null;
@@ -193,10 +202,8 @@ namespace FreeSql.Internal {
 			var iidx = 0;
 			foreach (var item in its) {
 				var filter = "";
-				for (var a = 0; a < table.Primarys.Length; a++) {
+				foreach (var pk in table.Primarys)
-					if (table.Properties.TryGetValue(table.Primarys[a].CsName, out var trycol) == false) continue;
+					filter += $" AND {aliasAndDot}{this.QuoteSqlName(pk.Attribute.Name)} = {this.FormatSql("{0}", pk.GetMapValue(item))}";
-					filter += $" AND {aliasAndDot}{this.QuoteSqlName(table.Primarys[a].Attribute.Name)} = {this.FormatSql("{0}", trycol.GetValue(item))}";
-				}
 				if (string.IsNullOrEmpty(filter)) continue;
 				if (sb != null) {
 					sb.Append(" OR (");

FreeSql/Internal/Model/ColumnInfo.cs

@@ -1,5 +1,8 @@
 using FreeSql.DataAnnotations;
 using System;
+using System.Collections.Concurrent;
+using System.Collections.Generic;
+using System.Linq.Expressions;
 
 namespace FreeSql.Internal.Model {
 	public class ColumnInfo {
@@ -7,5 +10,64 @@ namespace FreeSql.Internal.Model {
 		public string CsName { get; set; }
 		public Type CsType { get; set; }
 		public ColumnAttribute Attribute { get; set; }
+
+		static ConcurrentDictionary<ColumnInfo, Func<object, object>> _dicGetMapValue = new ConcurrentDictionary<ColumnInfo, Func<object, object>>();
+		public object GetMapValue(object obj) {
+			var func = _dicGetMapValue.GetOrAdd(this, col => {
+				var paramExp = Expression.Parameter(typeof(object));
+				var returnTarget = Expression.Label(typeof(object));
+
+				if (Attribute.MapType == CsType)
+					return Expression.Lambda<Func<object, object>>(
+						Expression.Block(
+							Expression.Return(returnTarget, Expression.Convert(
+								Expression.MakeMemberAccess(
+									Expression.TypeAs(paramExp, col.Table.Type),
+									Table.Properties[col.CsName]
+								), typeof(object))),
+							Expression.Label(returnTarget, Expression.Default(typeof(object)))
+						), new[] { paramExp }).Compile();
+
+				var retExp = Expression.Variable(typeof(object), "ret");
+				var blockExp = new List<Expression>();
+				blockExp.AddRange(new Expression[] {
+					Expression.Assign(retExp, Utils.GetDataReaderValueBlockExpression(Attribute.MapType,
+						Expression.MakeMemberAccess(
+							Expression.TypeAs(paramExp, col.Table.Type),
+							Table.Properties[col.CsName]
+						)
+					)),
+					Expression.Return(returnTarget, retExp),
+					Expression.Label(returnTarget, Expression.Default(typeof(object)))
+				});
+				return Expression.Lambda<Func<object, object>>(Expression.Block(new[] { retExp }, blockExp), new[] { paramExp }).Compile();
+			});
+			return func(obj);
+		}
+		static ConcurrentDictionary<ColumnInfo, Action<object, object>> _dicSetMapValue = new ConcurrentDictionary<ColumnInfo, Action<object, object>>();
+		public void SetMapValue(object obj, object val) {
+			var func = _dicSetMapValue.GetOrAdd(this, col => {
+				var objExp = Expression.Parameter(typeof(object), "obj");
+				var valExp = Expression.Parameter(typeof(object), "val");
+
+				if (Attribute.MapType == CsType)
+					return Expression.Lambda<Action<object, object>>(
+						Expression.Assign(Expression.MakeMemberAccess(
+							Expression.TypeAs(objExp, col.Table.Type),
+							Table.Properties[col.CsName]
+						), Expression.Convert(
+							valExp, 
+							Attribute.MapType)), objExp, valExp).Compile();
+
+				return Expression.Lambda<Action<object, object>>(
+					Expression.Assign(Expression.MakeMemberAccess(
+						Expression.TypeAs(objExp, col.Table.Type),
+						Table.Properties[col.CsName]
+					), Expression.Convert(
+						Utils.GetDataReaderValueBlockExpression(Attribute.MapType, valExp), 
+						Attribute.MapType)), objExp, valExp).Compile();
+			});
+			func(obj, val);
+		}
 	}
 }

FreeSql/Internal/Model/ReadAnonymousTypeInfo.cs

@@ -8,6 +8,7 @@ namespace FreeSql.Internal.Model {
 		public PropertyInfo Property { get; set; }
 		public string CsName { get; set; }
 		public Type CsType { get; set; }
+		public Type MapType { get; set; }
 		public string DbField { get; set; }
 		public ConstructorInfo Consturctor { get; set; }
 		public ReadAnonymousTypeInfoConsturctorType ConsturctorType { get; set; }

FreeSql/Internal/Model/TableInfo.cs

@@ -13,6 +13,7 @@ namespace FreeSql.Internal.Model {
 		public Dictionary<string, ColumnInfo> ColumnsByCs { get; set; } = new Dictionary<string, ColumnInfo>(StringComparer.CurrentCultureIgnoreCase);
 		public Dictionary<string, ColumnInfo> ColumnsByCsIgnore { get; set; } = new Dictionary<string, ColumnInfo>(StringComparer.CurrentCultureIgnoreCase);
 		public ColumnInfo[] Primarys { get; set; }
+		public Dictionary<string, List<ColumnInfo>> Uniques { get; set; }
 		public string CsName { get; set; }
 		public string DbName { get; set; }
 		public string DbOldName { get; set; }

FreeSql/Internal/UtilsExpressionTree.cs

@@ -8,6 +8,7 @@ using System.Collections.Generic;
 using System.Data.Common;
 using System.Linq;
 using System.Linq.Expressions;
+using System.Numerics;
 using System.Reflection;
 using System.Text;
 using System.Text.RegularExpressions;
@@ -17,12 +18,20 @@ namespace FreeSql.Internal {
 
 		static ConcurrentDictionary<DataType, ConcurrentDictionary<Type, TableInfo>> _cacheGetTableByEntity = new ConcurrentDictionary<DataType, ConcurrentDictionary<Type, TableInfo>>();
 		internal static void RemoveTableByEntity(Type entity, CommonUtils common) {
-			if (entity.FullName.StartsWith("<>f__AnonymousType")) return;
+			if (entity.FullName.StartsWith("<>f__AnonymousType") ||
+				entity.IsValueType ||
+				entity.IsNullableType() ||
+				entity.NullableTypeOrThis() == typeof(BigInteger)
+				) return;
 			var tbc = _cacheGetTableByEntity.GetOrAdd(common._orm.Ado.DataType, k1 => new ConcurrentDictionary<Type, TableInfo>()); //区分数据库类型缓存
 			if (tbc.TryRemove(entity, out var trytb) && trytb?.TypeLazy != null) tbc.TryRemove(trytb.TypeLazy, out var trylz);
 		}
 		internal static TableInfo GetTableByEntity(Type entity, CommonUtils common) {
-			if (entity.FullName.StartsWith("<>f__AnonymousType")) return null;
+			if (entity.FullName.StartsWith("<>f__AnonymousType") ||
+				entity.IsValueType || 
+				entity.IsNullableType() || 
+				entity.NullableTypeOrThis() == typeof(BigInteger)
+				) return null;
 			var tbc = _cacheGetTableByEntity.GetOrAdd(common._orm.Ado.DataType, k1 => new ConcurrentDictionary<Type, TableInfo>()); //区分数据库类型缓存
 			if (tbc.TryGetValue(entity, out var trytb)) return trytb;
 			if (common.CodeFirst.GetDbInfo(entity) != null) return null;
@@ -49,9 +58,9 @@ namespace FreeSql.Internal {
 			var propsNavObjs = new List<PropertyInfo>();
 			foreach (var p in trytb.Properties.Values) {
 				var setMethod = trytb.Type.GetMethod($"set_{p.Name}");
-				var tp = common.CodeFirst.GetDbInfo(p.PropertyType);
-				//if (tp == null) continue;
 				var colattr = common.GetEntityColumnAttribute(entity, p);
+				var tp = common.CodeFirst.GetDbInfo(colattr?.MapType ?? p.PropertyType);
+				//if (tp == null) continue;
 				if (tp == null && colattr == null) {
 					if (common.CodeFirst.IsLazyLoading) {
 						var getIsVirtual = trytb.Type.GetMethod($"get_{p.Name}")?.IsVirtual;
@@ -69,16 +78,25 @@ namespace FreeSql.Internal {
 						IsIdentity = false,
 						IsNullable = tp.Value.isnullable ?? true,
 						IsPrimary = false,
-						IsIgnore = false
+						IsIgnore = false,
+						Unique = null,
+						MapType = p.PropertyType
 					};
+				if (colattr._IsNullable == null) colattr._IsNullable = tp?.isnullable;
 				if (string.IsNullOrEmpty(colattr.DbType)) colattr.DbType = tp?.dbtypeFull ?? "varchar(255)";
 				colattr.DbType = colattr.DbType.ToUpper();
 
 				if (tp != null && tp.Value.isnullable == null) colattr.IsNullable = tp.Value.dbtypeFull.Contains("NOT NULL") == false;
 				if (colattr.DbType?.Contains("NOT NULL") == true) colattr.IsNullable = false;
 				if (string.IsNullOrEmpty(colattr.Name)) colattr.Name = p.Name;
-				if (common.CodeFirst.IsSyncStructureToLower) colattr.Name = colattr.Name.ToLower();
+				if (common.CodeFirst.IsSyncStructureToLower) {
-				if (common.CodeFirst.IsSyncStructureToUpper) colattr.Name = colattr.Name.ToUpper();
+					colattr.Name = colattr.Name.ToLower();
+					if (!string.IsNullOrEmpty(colattr.Unique)) colattr.Unique = colattr.Unique.ToLower();
+				}
+				if (common.CodeFirst.IsSyncStructureToUpper) {
+					colattr.Name = colattr.Name.ToUpper();
+					if (!string.IsNullOrEmpty(colattr.Unique)) colattr.Unique = colattr.Unique.ToUpper();
+				}
 
 				if ((colattr.IsNullable != true || colattr.IsIdentity == true || colattr.IsPrimary == true) && colattr.DbType.Contains("NOT NULL") == false) {
 					colattr.IsNullable = false;
@@ -92,10 +110,11 @@ namespace FreeSql.Internal {
 					return tmpLt;
 				});
 				colattr.DbDefautValue = trytb.Properties[p.Name].GetValue(Activator.CreateInstance(trytb.Type));
+				if (colattr.DbDefautValue != null && p.PropertyType != colattr.MapType) colattr.DbDefautValue = Utils.GetDataReaderValue(colattr.MapType, colattr.DbDefautValue);
 				if (colattr.DbDefautValue == null) colattr.DbDefautValue = tp?.defaultValue;
 				if (colattr.IsNullable == false && colattr.DbDefautValue == null)
-					colattr.DbDefautValue = Activator.CreateInstance(p.PropertyType.IsNullableType() ? p.PropertyType.GenericTypeArguments.FirstOrDefault() : p.PropertyType);
+					colattr.DbDefautValue = Activator.CreateInstance(colattr.MapType.IsNullableType() ? colattr.MapType.GenericTypeArguments.FirstOrDefault() : colattr.MapType);
-				if (colattr.IsIdentity == true && p.PropertyType.IsNumberType() == false)
+				if (colattr.IsIdentity == true && colattr.MapType.IsNumberType() == false)
 					colattr.IsIdentity = false;
 				if (setMethod == null) colattr.IsIgnore = true;
 
@@ -114,7 +133,7 @@ namespace FreeSql.Internal {
 			}
 			trytb.VersionColumn = trytb.Columns.Values.Where(a => a.Attribute.IsVersion == true).LastOrDefault();
 			if (trytb.VersionColumn != null) {
-				if (trytb.VersionColumn.CsType.IsNullableType() || trytb.VersionColumn.CsType.IsNumberType() == false)
+				if (trytb.VersionColumn.Attribute.MapType.IsNullableType() || trytb.VersionColumn.Attribute.MapType.IsNumberType() == false)
 					throw new Exception($"属性{trytb.VersionColumn.CsName} 被标注为行锁（乐观锁）(IsVersion)，但其必须为数字类型，并且不可为 Nullable");
 			}
 			trytb.Primarys = trytb.Columns.Values.Where(a => a.Attribute.IsPrimary == true).ToArray();
@@ -145,22 +164,32 @@ namespace FreeSql.Internal {
 						var finddbtbs = common.dbTables.Where(a => string.Compare(a.Name, trytb.CsName, true) == 0 || string.Compare(a.Name, trytb.DbName, true) == 0);
 						foreach (var dbtb in finddbtbs) {
 							foreach (var dbident in dbtb.Identitys) {
-								if (trytb.Columns.TryGetValue(dbident.Name, out var trycol) && trycol.CsType == dbident.CsType ||
+								if (trytb.Columns.TryGetValue(dbident.Name, out var trycol) && trycol.Attribute.MapType == dbident.CsType ||
-									trytb.ColumnsByCs.TryGetValue(dbident.Name, out trycol) && trycol.CsType == dbident.CsType) {
+									trytb.ColumnsByCs.TryGetValue(dbident.Name, out trycol) && trycol.Attribute.MapType == dbident.CsType) {
 									trycol.Attribute.IsIdentity = true;
 								}
 							}
 							foreach (var dbpk in dbtb.Primarys) {
-								if (trytb.Columns.TryGetValue(dbpk.Name, out var trycol) && trycol.CsType == dbpk.CsType ||
+								if (trytb.Columns.TryGetValue(dbpk.Name, out var trycol) && trycol.Attribute.MapType == dbpk.CsType ||
-									trytb.ColumnsByCs.TryGetValue(dbpk.Name, out trycol) && trycol.CsType == dbpk.CsType) {
+									trytb.ColumnsByCs.TryGetValue(dbpk.Name, out trycol) && trycol.Attribute.MapType == dbpk.CsType) {
 									trycol.Attribute.IsPrimary = true;
 								}
 							}
+							foreach(var dbuk in dbtb.UniquesDict) {
+								foreach (var dbcol in dbuk.Value) {
+									if (trytb.Columns.TryGetValue(dbcol.Name, out var trycol) && trycol.Attribute.MapType == dbcol.CsType ||
+									trytb.ColumnsByCs.TryGetValue(dbcol.Name, out trycol) && trycol.Attribute.MapType == dbcol.CsType) {
+										trycol.Attribute.Unique = dbuk.Key;
+									}
+								}
+							}
 						}
 					}
 				} catch { }
 				trytb.Primarys = trytb.Columns.Values.Where(a => a.Attribute.IsPrimary == true).ToArray();
 			}
+			trytb.Uniques = trytb.Columns.Values.Where(a => !string.IsNullOrEmpty(a.Attribute.Unique)).Select(a => a.Attribute.Unique).Distinct()
+				.ToDictionary(a => a, a => trytb.Columns.Values.Where(b => b.Attribute.Unique == a).ToList());
 			tbc.AddOrUpdate(entity, trytb, (oldkey, oldval) => trytb);
 
 			#region 查找导航属性的关系、virtual 属性延时加载，动态产生新的重写类
@@ -682,8 +711,8 @@ namespace FreeSql.Internal {
 			public static PropertyInfo PropertyDataIndex = typeof(RowInfo).GetProperty("DataIndex");
 		}
 		internal static MethodInfo MethodDataReaderGetValue = typeof(DbDataReader).GetMethod("GetValue");
-		internal static RowInfo ExecuteArrayRowReadClassOrTuple(Type type, int[] indexes, DbDataReader row, int dataIndex, CommonUtils _commonUtils) {
+		internal static RowInfo ExecuteArrayRowReadClassOrTuple(Type typeOrg, int[] indexes, DbDataReader row, int dataIndex, CommonUtils _commonUtils) {
-			var func = _dicExecuteArrayRowReadClassOrTuple.GetOrAdd(type, s => {
+			var func = _dicExecuteArrayRowReadClassOrTuple.GetOrAdd(typeOrg, type => {
 				var returnTarget = Expression.Label(typeof(RowInfo));
 				var typeExp = Expression.Parameter(typeof(Type), "type");
 				var indexesExp = Expression.Parameter(typeof(int[]), "indexes");
@@ -813,24 +842,25 @@ namespace FreeSql.Internal {
 					});
 					foreach (var ctorParm in ctorParms) {
 						if (typetb.ColumnsByCsIgnore.ContainsKey(ctorParm.Name)) continue;
+						var readType = typetb.ColumnsByCs.TryGetValue(ctorParm.Name, out var trycol) ? trycol.Attribute.MapType : ctorParm.ParameterType;
 
 						var ispkExp = new List<Expression>();
 						Expression readVal = Expression.Assign(readpkvalExp, Expression.Call(rowExp, MethodDataReaderGetValue, dataIndexExp));
 						Expression readExpAssign = null; //加速缓存
-						if (ctorParm.ParameterType.IsArray) readExpAssign = Expression.New(RowInfo.Constructor,
+						if (readType.IsArray) readExpAssign = Expression.New(RowInfo.Constructor,
-							GetDataReaderValueBlockExpression(ctorParm.ParameterType, readpkvalExp),
+							GetDataReaderValueBlockExpression(readType, readpkvalExp),
-							//Expression.Call(MethodGetDataReaderValue, new Expression[] { Expression.Constant(ctorParm.ParameterType), readpkvalExp }),
+							//Expression.Call(MethodGetDataReaderValue, new Expression[] { Expression.Constant(readType), readpkvalExp }),
 							Expression.Add(dataIndexExp, Expression.Constant(1))
 						);
 						else {
-							var proptypeGeneric = ctorParm.ParameterType;
+							var proptypeGeneric = readType;
 							if (proptypeGeneric.IsNullableType()) proptypeGeneric = proptypeGeneric.GenericTypeArguments.First();
 							if (proptypeGeneric.IsEnum ||
 								dicExecuteArrayRowReadClassOrTuple.ContainsKey(proptypeGeneric)) {
 
 								//判断主键为空，则整个对象不读取
 								//blockExp.Add(Expression.Assign(readpkvalExp, Expression.Call(rowExp, MethodDataReaderGetValue, dataIndexExp)));
-								if (typetb.ColumnsByCs.TryGetValue(ctorParm.Name, out var trycol) && trycol.Attribute.IsPrimary == true) {
+								if (trycol?.Attribute.IsPrimary == true) {
 									ispkExp.Add(
 										Expression.IfThen(
 											Expression.AndAlso(
@@ -846,19 +876,22 @@ namespace FreeSql.Internal {
 								}
 
 								readExpAssign = Expression.New(RowInfo.Constructor,
-									GetDataReaderValueBlockExpression(ctorParm.ParameterType, readpkvalExp),
+									GetDataReaderValueBlockExpression(readType, readpkvalExp),
-									//Expression.Call(MethodGetDataReaderValue, new Expression[] { Expression.Constant(ctorParm.ParameterType), readpkvalExp }),
+									//Expression.Call(MethodGetDataReaderValue, new Expression[] { Expression.Constant(readType), readpkvalExp }),
 									Expression.Add(dataIndexExp, Expression.Constant(1))
 								);
 							} else {
 								readExpAssign = Expression.New(RowInfo.Constructor,
-									Expression.MakeMemberAccess(Expression.Call(MethodExecuteArrayRowReadClassOrTuple, new Expression[] { Expression.Constant(ctorParm.ParameterType), indexesExp, rowExp, dataIndexExp, commonUtilExp }), RowInfo.PropertyValue),
+									Expression.MakeMemberAccess(Expression.Call(MethodExecuteArrayRowReadClassOrTuple, new Expression[] { Expression.Constant(readType), indexesExp, rowExp, dataIndexExp, commonUtilExp }), RowInfo.PropertyValue),
 									Expression.Add(dataIndexExp, Expression.Constant(1)));
 							}
 						}
 						var varctorParm = Expression.Variable(ctorParm.ParameterType, $"ctorParm{ctorParm.Name}");
 						readExpValueParms.Add(varctorParm);
 
+						if (trycol != null && trycol.Attribute.MapType != ctorParm.ParameterType)
+							ispkExp.Add(Expression.Assign(readExpValue, GetDataReaderValueBlockExpression(ctorParm.ParameterType, readExpValue)));
+
 						ispkExp.Add(
 							Expression.IfThen(
 								Expression.IsFalse(readpknullExp),
@@ -869,6 +902,7 @@ namespace FreeSql.Internal {
 								)
 							)
 						);
+
 						blockExp.AddRange(new Expression[] {
 							Expression.Assign(tryidxExp, dataIndexExp),
 							readVal,
@@ -900,25 +934,26 @@ namespace FreeSql.Internal {
 					var propIndex = 0;
 					foreach (var prop in props) {
 						if (typetb.ColumnsByCsIgnore.ContainsKey(prop.Name)) continue;
+						var readType = typetb.ColumnsByCs.TryGetValue(prop.Name, out var trycol) ? trycol.Attribute.MapType : prop.PropertyType;
 
 						var ispkExp = new List<Expression>();
 						var propGetSetMethod = prop.GetSetMethod();
 						Expression readVal = Expression.Assign(readpkvalExp, Expression.Call(rowExp, MethodDataReaderGetValue, tryidxExp));
 						Expression readExpAssign = null; //加速缓存
-						if (prop.PropertyType.IsArray) readExpAssign = Expression.New(RowInfo.Constructor,
+						if (readType.IsArray) readExpAssign = Expression.New(RowInfo.Constructor,
-							GetDataReaderValueBlockExpression(prop.PropertyType, readpkvalExp),
+							GetDataReaderValueBlockExpression(readType, readpkvalExp),
-							//Expression.Call(MethodGetDataReaderValue, new Expression[] { Expression.Constant(prop.PropertyType), readpkvalExp }),
+							//Expression.Call(MethodGetDataReaderValue, new Expression[] { Expression.Constant(readType), readpkvalExp }),
 							Expression.Add(tryidxExp, Expression.Constant(1))
 						);
 						else {
-							var proptypeGeneric = prop.PropertyType;
+							var proptypeGeneric = readType;
 							if (proptypeGeneric.IsNullableType()) proptypeGeneric = proptypeGeneric.GenericTypeArguments.First();
 							if (proptypeGeneric.IsEnum ||
 								dicExecuteArrayRowReadClassOrTuple.ContainsKey(proptypeGeneric)) {
 
 								//判断主键为空，则整个对象不读取
 								//blockExp.Add(Expression.Assign(readpkvalExp, Expression.Call(rowExp, MethodDataReaderGetValue, dataIndexExp)));
-								if (typetb.ColumnsByCs.TryGetValue(prop.Name, out var trycol) && trycol.Attribute.IsPrimary == true) {
+								if (trycol?.Attribute.IsPrimary == true) {
 									ispkExp.Add(
 										Expression.IfThen(
 											Expression.AndAlso(
@@ -937,17 +972,20 @@ namespace FreeSql.Internal {
 								}
 
 								readExpAssign = Expression.New(RowInfo.Constructor,
-									GetDataReaderValueBlockExpression(prop.PropertyType, readpkvalExp),
+									GetDataReaderValueBlockExpression(readType, readpkvalExp),
-									//Expression.Call(MethodGetDataReaderValue, new Expression[] { Expression.Constant(prop.PropertyType), readpkvalExp }),
+									//Expression.Call(MethodGetDataReaderValue, new Expression[] { Expression.Constant(readType), readpkvalExp }),
 									Expression.Add(tryidxExp, Expression.Constant(1))
 								);
 							} else {
 								++propIndex;
 								continue;
-								//readExpAssign = Expression.Call(MethodExecuteArrayRowReadClassOrTuple, new Expression[] { Expression.Constant(prop.PropertyType), indexesExp, rowExp, tryidxExp });
+								//readExpAssign = Expression.Call(MethodExecuteArrayRowReadClassOrTuple, new Expression[] { Expression.Constant(readType), indexesExp, rowExp, tryidxExp });
 							}
 						}
 
+						if (trycol != null && trycol.Attribute.MapType != prop.PropertyType)
+							ispkExp.Add(Expression.Assign(readExpValue, GetDataReaderValueBlockExpression(prop.PropertyType, readExpValue)));
+
 						ispkExp.Add(
 							Expression.IfThen(
 								Expression.IsFalse(readpknullExp),
@@ -986,7 +1024,7 @@ namespace FreeSql.Internal {
 				return Expression.Lambda<Func<Type, int[], DbDataReader, int, CommonUtils, RowInfo>>(
 					Expression.Block(new[] { retExp, readExp, tryidxExp, readpknullExp, readpkvalExp, readExpsIndex, indexesLengthExp }.Concat(readExpValueParms), blockExp), new[] { typeExp, indexesExp, rowExp, dataIndexExp, commonUtilExp }).Compile();
 			});
-			return func(type, indexes, row, dataIndex, _commonUtils);
+			return func(typeOrg, indexes, row, dataIndex, _commonUtils);
 		}
 
 		internal static MethodInfo MethodExecuteArrayRowReadClassOrTuple = typeof(Utils).GetMethod("ExecuteArrayRowReadClassOrTuple", BindingFlags.Static | BindingFlags.NonPublic);
@@ -1012,16 +1050,24 @@ namespace FreeSql.Internal {
 			act(info, value);
 		}
 
+		static BigInteger ToBigInteger(string that) {
+			if (string.IsNullOrEmpty(that)) return 0;
+			if (BigInteger.TryParse(that, System.Globalization.NumberStyles.Any, null, out var trybigint)) return trybigint;
+			return 0;
+		}
+		static string ToStringConcat(object obj) {
+			if (obj == null) return null;
+			return string.Concat(obj);
+		}
+
 		static ConcurrentDictionary<Type, ConcurrentDictionary<Type, Func<object, object>>> _dicGetDataReaderValue = new ConcurrentDictionary<Type, ConcurrentDictionary<Type, Func<object, object>>>();
 		static MethodInfo MethodArrayGetValue = typeof(Array).GetMethod("GetValue", new[] { typeof(int) });
 		static MethodInfo MethodArrayGetLength = typeof(Array).GetMethod("GetLength", new[] { typeof(int) });
 		static MethodInfo MethodMygisGeometryParse = typeof(MygisGeometry).GetMethod("Parse", new[] { typeof(string) });
 		static MethodInfo MethodGuidTryParse = typeof(Guid).GetMethod("TryParse", new[] { typeof(string), typeof(Guid).MakeByRefType() });
 		static MethodInfo MethodEnumParse = typeof(Enum).GetMethod("Parse", new[] { typeof(Type), typeof(string), typeof(bool) });
-		static MethodInfo MethodToString = typeof(string).GetMethod("Concat", new[] { typeof(object) });
 		static MethodInfo MethodConvertChangeType = typeof(Convert).GetMethod("ChangeType", new[] { typeof(object), typeof(Type) });
 		static MethodInfo MethodTimeSpanFromSeconds = typeof(TimeSpan).GetMethod("FromSeconds");
-		static MethodInfo MethodDoubleParse = typeof(double).GetMethod("Parse", new[] { typeof(string) });
 		static MethodInfo MethodJTokenParse = typeof(JToken).GetMethod("Parse", new[] { typeof(string) });
 		static MethodInfo MethodJObjectParse = typeof(JObject).GetMethod("Parse", new[] { typeof(string) });
 		static MethodInfo MethodJArrayParse = typeof(JArray).GetMethod("Parse", new[] { typeof(string) });
@@ -1036,8 +1082,11 @@ namespace FreeSql.Internal {
 		static MethodInfo MethodDoubleTryParse = typeof(double).GetMethod("TryParse", new[] { typeof(string), typeof(double).MakeByRefType() });
 		static MethodInfo MethodFloatTryParse = typeof(float).GetMethod("TryParse", new[] { typeof(string), typeof(float).MakeByRefType() });
 		static MethodInfo MethodDecimalTryParse = typeof(decimal).GetMethod("TryParse", new[] { typeof(string), typeof(decimal).MakeByRefType() });
+		static MethodInfo MethodTimeSpanTryParse = typeof(TimeSpan).GetMethod("TryParse", new[] { typeof(string), typeof(TimeSpan).MakeByRefType() });
 		static MethodInfo MethodDateTimeTryParse = typeof(DateTime).GetMethod("TryParse", new[] { typeof(string), typeof(DateTime).MakeByRefType() });
 		static MethodInfo MethodDateTimeOffsetTryParse = typeof(DateTimeOffset).GetMethod("TryParse", new[] { typeof(string), typeof(DateTimeOffset).MakeByRefType() });
+		static MethodInfo MethodToString = typeof(Utils).GetMethod("ToStringConcat", BindingFlags.NonPublic | BindingFlags.Static, null, new[] { typeof(object) }, null);
+		static MethodInfo MethodBigIntegerParse = typeof(Utils).GetMethod("ToBigInteger", BindingFlags.NonPublic | BindingFlags.Static, null, new[] { typeof(string) }, null);
 		public static Expression GetDataReaderValueBlockExpression(Type type, Expression value) {
 			var returnTarget = Expression.Label(typeof(object));
 			var valueExp = Expression.Variable(typeof(object), "locvalue");
@@ -1088,11 +1137,6 @@ namespace FreeSql.Internal {
 				ParameterExpression tryparseVarExp = null;
 				switch (type.FullName) {
 					case "System.Guid":
-						//return Expression.IfThenElse(
-						//	Expression.TypeEqual(valueExp, type),
-						//	Expression.Return(returnTarget, valueExp),
-						//	Expression.Return(returnTarget, Expression.Convert(Expression.Call(MethodGuidParse, Expression.Convert(valueExp, typeof(string))), typeof(object)))
-						//);
 						tryparseExp = Expression.Block(
 						   new[] { tryparseVarExp = Expression.Variable(typeof(Guid)) },
 						   new Expression[] {
@@ -1114,12 +1158,24 @@ namespace FreeSql.Internal {
 					case "Newtonsoft.Json.Linq.JObject": return Expression.Return(returnTarget, Expression.TypeAs(Expression.Call(MethodJObjectParse, Expression.Convert(valueExp, typeof(string))), typeof(JObject)));
 					case "Newtonsoft.Json.Linq.JArray": return Expression.Return(returnTarget, Expression.TypeAs(Expression.Call(MethodJArrayParse, Expression.Convert(valueExp, typeof(string))), typeof(JArray)));
 					case "Npgsql.LegacyPostgis.PostgisGeometry": return Expression.Return(returnTarget, valueExp);
+					case "System.Numerics.BigInteger": return Expression.Return(returnTarget, Expression.Convert(Expression.Call(MethodBigIntegerParse, Expression.Call(MethodToString, valueExp)), typeof(object)));
 					case "System.TimeSpan":
-						return Expression.IfThenElse(
+						ParameterExpression tryparseVarTsExp, valueStrExp;
-							Expression.TypeEqual(valueExp, type),
+						return Expression.Block(
-							Expression.Return(returnTarget, valueExp),
+							   new[] { tryparseVarExp = Expression.Variable(typeof(double)), tryparseVarTsExp = Expression.Variable(typeof(TimeSpan)), valueStrExp = Expression.Variable(typeof(string)) },
-							Expression.Return(returnTarget, Expression.Convert(Expression.Call(MethodTimeSpanFromSeconds, Expression.Call(MethodDoubleParse, Expression.Call(MethodToString, valueExp))), typeof(object)))
+							   new Expression[] {
-						);
+									Expression.Assign(valueStrExp, Expression.Call(MethodToString, valueExp)),
+									Expression.IfThenElse(
+										Expression.IsTrue(Expression.Call(MethodDoubleTryParse, valueStrExp, tryparseVarExp)),
+										Expression.Return(returnTarget, Expression.Convert(Expression.Call(MethodTimeSpanFromSeconds, tryparseVarExp), typeof(object))),
+										Expression.IfThenElse(
+											Expression.IsTrue(Expression.Call(MethodTimeSpanTryParse, valueStrExp, tryparseVarTsExp)),
+											Expression.Return(returnTarget, Expression.Convert(tryparseVarTsExp, typeof(object))),
+											Expression.Return(returnTarget, Expression.Convert(Expression.Default(typeOrg), typeof(object)))
+										)
+									)
+							   }
+						   );
 					case "System.SByte":
 						tryparseExp = Expression.Block(
 						   new[] { tryparseVarExp = Expression.Variable(typeof(sbyte)) },
@@ -1308,16 +1364,22 @@ namespace FreeSql.Internal {
 						Expression.SwitchCase(tryparseBooleanExp, Expression.Constant(typeof(bool))),
 						Expression.SwitchCase(Expression.Return(returnTarget, Expression.Call(MethodConvertChangeType, valueExp, Expression.Constant(type, typeof(Type)))), Expression.Constant(type))
 					);
+				else if (type == typeof(string))
+					switchExp = Expression.Return(returnTarget, Expression.Convert(Expression.Call(MethodToString, valueExp), typeof(object)));
 				else
 					switchExp = Expression.Return(returnTarget, Expression.Call(MethodConvertChangeType, valueExp, Expression.Constant(type, typeof(Type))));
 
+				var defaultRetExp = type == typeof(string) ?
+					Expression.Return(returnTarget, Expression.Convert(Expression.Call(MethodToString, valueExp), typeof(object))) :
+					Expression.Return(returnTarget, Expression.Call(MethodConvertChangeType, valueExp, Expression.Constant(type, typeof(Type))));
+
 				return Expression.IfThenElse(
 					Expression.TypeEqual(valueExp, type),
 					Expression.Return(returnTarget, valueExp),
 					Expression.IfThenElse(
 						Expression.TypeEqual(valueExp, typeof(string)),
 						switchExp,
-						Expression.Return(returnTarget, Expression.Call(MethodConvertChangeType, valueExp, Expression.Constant(type, typeof(Type))))
+						defaultRetExp
 					)
 				);
 			};
@@ -1345,132 +1407,6 @@ namespace FreeSql.Internal {
 				return Expression.Lambda<Func<object, object>>(exp, parmExp).Compile();
 			});
 			return func(value);
-			#region oldcode
-			//var func = _dicGetDataReaderValue.GetOrAdd(type, k1 => new ConcurrentDictionary<Type, Func<object, object>>()).GetOrAdd(value.GetType(), valueType => {
-			//	var returnTarget = Expression.Label(typeof(object));
-			//	var parmExp = Expression.Parameter(typeof(object), "value");
-
-			//	if (type.FullName == "System.Byte[]") return Expression.Lambda<Func<object, object>>(parmExp, parmExp).Compile();
-
-			//	if (type.IsArray) {
-			//		var elementType = type.GetElementType();
-			//		if (elementType == valueType.GetElementType()) return Expression.Lambda<Func<object, object>>(parmExp, parmExp).Compile();
-
-			//		var ret = Expression.Variable(type, "ret");
-			//		var arr = Expression.Variable(valueType, "arr");
-			//		var arrlen = Expression.Variable(typeof(int), "arrlen");
-			//		var x = Expression.Variable(typeof(int), "x");
-			//		var readval = Expression.Variable(typeof(object), "readval");
-			//		var label = Expression.Label(typeof(int));
-			//		return Expression.Lambda<Func<object, object>>(
-			//			Expression.Block(
-			//				new[] { ret, arr, arrlen, readval, x },
-			//				Expression.Assign(arr, Expression.TypeAs(parmExp, valueType)),
-			//				Expression.Assign(arrlen, Expression.ArrayLength(arr)),
-			//				Expression.Assign(x, Expression.Constant(0)),
-			//				Expression.Assign(ret, Expression.NewArrayBounds(elementType, arrlen)),
-			//				Expression.Loop(
-			//					Expression.IfThenElse(
-			//						Expression.LessThan(x, arrlen),
-			//						Expression.Block(
-			//							Expression.Assign(readval, Expression.Call(
-			//								MethodGetDataReaderValue,
-			//								Expression.Constant(elementType, typeof(Type)),
-			//								Expression.Convert(Expression.ArrayAccess(arr, x), typeof(object))
-			//							)),
-			//							Expression.IfThenElse(
-			//								Expression.Equal(readval, Expression.Constant(null)),
-			//								Expression.Assign(Expression.ArrayAccess(ret, x), Expression.Default(elementType)),
-			//								Expression.Assign(Expression.ArrayAccess(ret, x), Expression.Convert(readval, elementType))
-			//							),
-			//							Expression.PostIncrementAssign(x)
-			//						),
-			//						Expression.Break(label, x)
-			//					),
-			//					label
-			//				),
-			//				Expression.Return(returnTarget, ret),
-			//				Expression.Label(returnTarget, Expression.Default(typeof(object)))
-			//			), parmExp).Compile();
-			//	}
-
-			//	if (type.IsNullableType()) type = type.GenericTypeArguments.First();
-			//	if (type.IsEnum) return Expression.Lambda<Func<object, object>>(
-			//		Expression.Call(
-			//			MethodEnumParse,
-			//			Expression.Constant(type, typeof(Type)),
-			//			Expression.Call(MethodToString, parmExp),
-			//			Expression.Constant(true, typeof(bool))
-			//		) , parmExp).Compile();
-
-			//	switch (type.FullName) {
-			//		case "System.Guid":
-			//			if (valueType != type) return Expression.Lambda<Func<object, object>>(
-			//				Expression.Convert(Expression.Call(MethodGuidParse, Expression.Convert(parmExp, typeof(string))), typeof(object))
-			//				, parmExp).Compile();
-			//			return Expression.Lambda<Func<object, object>>(parmExp, parmExp).Compile();
-
-			//		case "MygisPoint": return Expression.Lambda<Func<object, object>>(
-			//				Expression.TypeAs(
-			//					Expression.Call(MethodMygisGeometryParse, Expression.Convert(parmExp, typeof(string))),
-			//					typeof(MygisPoint)
-			//				), parmExp).Compile();
-			//		case "MygisLineString": return Expression.Lambda<Func<object, object>>(
-			//				Expression.TypeAs(
-			//					Expression.Call(MethodMygisGeometryParse, Expression.Convert(parmExp, typeof(string))), 
-			//					typeof(MygisLineString)
-			//				), parmExp).Compile();
-			//		case "MygisPolygon": return Expression.Lambda<Func<object, object>>(
-			//				Expression.TypeAs(
-			//					Expression.Call(MethodMygisGeometryParse, Expression.Convert(parmExp, typeof(string))), 
-			//					typeof(MygisPolygon)
-			//				), parmExp).Compile();
-			//		case "MygisMultiPoint": return Expression.Lambda<Func<object, object>>(
-			//				Expression.TypeAs(
-			//					Expression.Call(MethodMygisGeometryParse, Expression.Convert(parmExp, typeof(string))), 
-			//					typeof(MygisMultiPoint)
-			//				), parmExp).Compile();
-			//		case "MygisMultiLineString": return Expression.Lambda<Func<object, object>>(
-			//				Expression.TypeAs(
-			//					Expression.Call(MethodMygisGeometryParse, Expression.Convert(parmExp, typeof(string))), 
-			//					typeof(MygisMultiLineString)
-			//				), parmExp).Compile();
-			//		case "MygisMultiPolygon": return Expression.Lambda<Func<object, object>>(
-			//				Expression.TypeAs(
-			//					Expression.Call(MethodMygisGeometryParse, Expression.Convert(parmExp, typeof(string))), 
-			//					typeof(MygisMultiPolygon)
-			//				), parmExp).Compile();
-			//		case "Newtonsoft.Json.Linq.JToken": return Expression.Lambda<Func<object, object>>(
-			//				Expression.TypeAs(
-			//					Expression.Call(typeof(JToken).GetMethod("Parse", new[] { typeof(string) }), Expression.Convert(parmExp, typeof(string))), 
-			//					typeof(JToken)
-			//				), parmExp).Compile();
-			//		case "Newtonsoft.Json.Linq.JObject": return Expression.Lambda<Func<object, object>>(
-			//				Expression.TypeAs(
-			//					Expression.Call(typeof(JObject).GetMethod("Parse", new[] { typeof(string) }), Expression.Convert(parmExp, typeof(string))), 
-			//					typeof(JObject)
-			//				), parmExp).Compile();
-			//		case "Newtonsoft.Json.Linq.JArray": return Expression.Lambda<Func<object, object>>(
-			//				Expression.TypeAs(
-			//					Expression.Call(typeof(JArray).GetMethod("Parse", new[] { typeof(string) }), Expression.Convert(parmExp, typeof(string))), 
-			//					typeof(JArray)
-			//				), parmExp).Compile();
-			//		case "Npgsql.LegacyPostgis.PostgisGeometry": return Expression.Lambda<Func<object, object>>(parmExp, parmExp).Compile();
-			//	}
-			//	if (type != valueType) {
-			//		if (type.FullName == "System.TimeSpan") return Expression.Lambda<Func<object, object>>(
-			//			Expression.Convert(Expression.Call(
-			//				MethodTimeSpanFromSeconds,
-			//				Expression.Call(MethodDoubleParse, Expression.Call(MethodToString, parmExp))
-			//			), typeof(object)), parmExp).Compile();
-			//		return Expression.Lambda<Func<object, object>>(
-			//			Expression.Call(MethodConvertChangeType, parmExp, Expression.Constant(type, typeof(Type)))
-			//		, parmExp).Compile();
-			//	}
-			//	return Expression.Lambda<Func<object, object>>(parmExp, parmExp).Compile();
-			//});
-			//return func(value);
-			#endregion
 		}
 		internal static object GetDataReaderValue22(Type type, object value) {
 			if (value == null || value == DBNull.Value) return Activator.CreateInstance(type);

FreeSql/Internal/UtilsReflection.cs

@@ -1,280 +0,0 @@
-//using FreeSql.DataAnnotations;
-//using FreeSql.Internal.Model;
-//using Newtonsoft.Json.Linq;
-//using Npgsql.LegacyPostgis;
-//using NpgsqlTypes;
-//using System;
-//using System.Collections;
-//using System.Collections.Concurrent;
-//using System.Collections.Generic;
-//using System.Diagnostics;
-//using System.Linq;
-//using System.Net;
-//using System.Net.NetworkInformation;
-//using System.Reflection;
-//using System.Text.RegularExpressions;
-//using System.Threading;
-
-//namespace FreeSql.Internal {
-//	class UtilsReflection {
-
-//		static ConcurrentDictionary<string, TableInfo> _cacheGetTableByEntity = new ConcurrentDictionary<string, TableInfo>();
-//		internal static TableInfo GetTableByEntity(Type entity, CommonUtils common) {
-//			if (entity.FullName.StartsWith("<>f__AnonymousType")) return null;
-//			if (_cacheGetTableByEntity.TryGetValue($"{common.DbName}-{entity.FullName}", out var trytb)) return trytb; //区分数据库类型缓存
-//			if (common.CodeFirst.GetDbInfo(entity) != null) return null;
-
-//			var tbattr = entity.GetCustomAttributes(typeof(TableAttribute), false).LastOrDefault() as TableAttribute;
-//			trytb = new TableInfo();
-//			trytb.Type = entity;
-//			trytb.Properties = entity.GetProperties().ToDictionary(a => a.Name, a => a, StringComparer.CurrentCultureIgnoreCase);
-//			trytb.CsName = entity.Name;
-//			trytb.DbName = (tbattr?.Name ?? entity.Name);
-//			trytb.DbOldName = tbattr?.OldName;
-//			if (common.CodeFirst.IsSyncStructureToLower) {
-//				trytb.DbName = trytb.DbName.ToLower();
-//				trytb.DbOldName = trytb.DbOldName?.ToLower();
-//			}
-//			trytb.SelectFilter = tbattr?.SelectFilter;
-//			foreach (var p in trytb.Properties.Values) {
-//				var tp = common.CodeFirst.GetDbInfo(p.PropertyType);
-//				//if (tp == null) continue;
-//				var colattr = p.GetCustomAttributes(typeof(ColumnAttribute), false).LastOrDefault() as ColumnAttribute;
-//				if (tp == null && colattr == null) continue;
-//				if (colattr == null)
-//					colattr = new ColumnAttribute {
-//						Name = p.Name,
-//						DbType = tp.Value.dbtypeFull,
-//						IsIdentity = false,
-//						IsNullable = tp.Value.isnullable ?? true,
-//						IsPrimary = false,
-//					};
-//				if (string.IsNullOrEmpty(colattr.DbType)) colattr.DbType = tp?.dbtypeFull ?? "varchar(255)";
-//				colattr.DbType = colattr.DbType.ToUpper();
-
-//				if (tp != null && tp.Value.isnullable == null) colattr.IsNullable = tp.Value.dbtypeFull.Contains("NOT NULL") == false;
-//				if (colattr.DbType?.Contains("NOT NULL") == true) colattr.IsNullable = false;
-//				if (string.IsNullOrEmpty(colattr.Name)) colattr.Name = p.Name;
-//				if (common.CodeFirst.IsSyncStructureToLower) colattr.Name = colattr.Name.ToLower();
-
-//				if ((colattr.IsNullable != true || colattr.IsIdentity == true || colattr.IsPrimary == true) && colattr.DbType.Contains("NOT NULL") == false) {
-//					colattr.IsNullable = false;
-//					colattr.DbType += " NOT NULL";
-//				}
-//				if (colattr.IsNullable == true && colattr.DbType.Contains("NOT NULL")) colattr.DbType = colattr.DbType.Replace("NOT NULL", "");
-//				colattr.DbType = Regex.Replace(colattr.DbType, @"\([^\)]+\)", m => {
-//					var tmpLt = Regex.Replace(m.Groups[0].Value, @"\s", "");
-//					if (tmpLt.Contains("CHAR")) tmpLt = tmpLt.Replace("CHAR", " CHAR");
-//					if (tmpLt.Contains("BYTE")) tmpLt = tmpLt.Replace("BYTE", " BYTE");
-//					return tmpLt;
-//				});
-//				colattr.DbDefautValue = trytb.Properties[p.Name].GetValue(Activator.CreateInstance(trytb.Type));
-//				if (colattr.DbDefautValue == null) colattr.DbDefautValue = tp?.defaultValue;
-//				if (colattr.IsNullable == false && colattr.DbDefautValue == null)
-//					colattr.DbDefautValue = Activator.CreateInstance(p.PropertyType.IsNullableType() ? p.PropertyType.GenericTypeArguments.FirstOrDefault() : p.PropertyType);
-
-//				var col = new ColumnInfo {
-//					Table = trytb,
-//					CsName = p.Name,
-//					CsType = p.PropertyType,
-//					Attribute = colattr
-//				};
-//				trytb.Columns.Add(colattr.Name, col);
-//				trytb.ColumnsByCs.Add(p.Name, col);
-//			}
-//			trytb.Primarys = trytb.Columns.Values.Where(a => a.Attribute.IsPrimary == true).ToArray();
-//			if (trytb.Primarys.Any() == false) {
-//				trytb.Primarys = trytb.Columns.Values.Where(a => a.Attribute.IsIdentity == true).ToArray();
-//				foreach(var col in trytb.Primarys)
-//					col.Attribute.IsPrimary = true;
-//			}
-//			_cacheGetTableByEntity.TryAdd(entity.FullName, trytb);
-//			return trytb;
-//		}
-
-//		internal static T[] GetDbParamtersByObject<T>(string sql, object obj, string paramPrefix, Func<string, Type, object, T> constructorParamter) {
-//			if (string.IsNullOrEmpty(sql) || obj == null) return new T[0];
-//			var ttype = typeof(T);
-//			var type = obj.GetType();
-//			if (type == ttype) return new[] { (T)Convert.ChangeType(obj, type) };
-//			var ret = new List<T>();
-//			var ps = type.GetProperties();
-//			foreach (var p in ps) {
-//				if (sql.IndexOf($"{paramPrefix}{p.Name}", StringComparison.CurrentCultureIgnoreCase) == -1) continue;
-//				var pvalue = p.GetValue(obj);
-//				if (p.PropertyType == ttype) ret.Add((T)Convert.ChangeType(pvalue, ttype));
-//				else ret.Add(constructorParamter(p.Name, p.PropertyType, pvalue));
-//			}
-//			return ret.ToArray();
-//		}
-
-//		static Dictionary<Type, bool> dicExecuteArrayRowReadClassOrTuple = new Dictionary<Type, bool> {
-//			[typeof(bool)] = true,
-//			[typeof(sbyte)] = true,
-//			[typeof(short)] = true,
-//			[typeof(int)] = true,
-//			[typeof(long)] = true,
-//			[typeof(byte)] = true,
-//			[typeof(ushort)] = true,
-//			[typeof(uint)] = true,
-//			[typeof(ulong)] = true,
-//			[typeof(double)] = true,
-//			[typeof(float)] = true,
-//			[typeof(decimal)] = true,
-//			[typeof(TimeSpan)] = true,
-//			[typeof(DateTime)] = true,
-//			[typeof(DateTimeOffset)] = true,
-//			[typeof(byte[])] = true,
-//			[typeof(string)] = true,
-//			[typeof(Guid)] = true,
-//			[typeof(MygisPoint)] = true,
-//			[typeof(MygisLineString)] = true,
-//			[typeof(MygisPolygon)] = true,
-//			[typeof(MygisMultiPoint)] = true,
-//			[typeof(MygisMultiLineString)] = true,
-//			[typeof(MygisMultiPolygon)] = true,
-//			[typeof(BitArray)] = true,
-//			[typeof(NpgsqlPoint)] = true,
-//			[typeof(NpgsqlLine)] = true,
-//			[typeof(NpgsqlLSeg)] = true,
-//			[typeof(NpgsqlBox)] = true,
-//			[typeof(NpgsqlPath)] = true,
-//			[typeof(NpgsqlPolygon)] = true,
-//			[typeof(NpgsqlCircle)] = true,
-//			[typeof((IPAddress Address, int Subnet))] = true,
-//			[typeof(IPAddress)] = true,
-//			[typeof(PhysicalAddress)] = true,
-//			[typeof(NpgsqlRange<int>)] = true,
-//			[typeof(NpgsqlRange<long>)] = true,
-//			[typeof(NpgsqlRange<decimal>)] = true,
-//			[typeof(NpgsqlRange<DateTime>)] = true,
-//			[typeof(PostgisPoint)] = true,
-//			[typeof(PostgisLineString)] = true,
-//			[typeof(PostgisPolygon)] = true,
-//			[typeof(PostgisMultiPoint)] = true,
-//			[typeof(PostgisMultiLineString)] = true,
-//			[typeof(PostgisMultiPolygon)] = true,
-//			[typeof(PostgisGeometry)] = true,
-//			[typeof(PostgisGeometryCollection)] = true,
-//			[typeof(Dictionary<string, string>)] = true,
-//			[typeof(JToken)] = true,
-//			[typeof(JObject)] = true,
-//			[typeof(JArray)] = true,
-//		};
-
-//		internal static ConcurrentDictionary<Type, _dicClassConstructorInfo> _dicClassConstructor = new ConcurrentDictionary<Type, _dicClassConstructorInfo>();
-//		internal static ConcurrentDictionary<Type, _dicTupleConstructorInfo> _dicTupleConstructor = new ConcurrentDictionary<Type, _dicTupleConstructorInfo>();
-//		internal class _dicClassConstructorInfo {
-//			public ConstructorInfo Constructor { get; set; }
-//			public PropertyInfo[] Properties { get; set; }
-//		}
-//		internal class _dicTupleConstructorInfo {
-//			public ConstructorInfo Constructor { get; set; }
-//			public Type[] Types { get; set; }
-//		}
-//		internal static (object value, int dataIndex) ExecuteArrayRowReadClassOrTuple(Type type, Dictionary<string, int> names, object[] row, int dataIndex = 0) {
-//			if (type.IsArray) return (GetDataReaderValue(type, row[dataIndex]), dataIndex + 1);
-//			var typeGeneric = type;
-//			if (typeGeneric.IsNullableType()) typeGeneric = type.GenericTypeArguments.First();
-//			if (typeGeneric.IsEnum ||
-//				dicExecuteArrayRowReadClassOrTuple.ContainsKey(typeGeneric))
-//				return (GetDataReaderValue(type, row[dataIndex]), dataIndex + 1);
-//			if (type.Namespace == "System" && (type.FullName == "System.String" || type.IsValueType)) { //值类型，或者元组
-//				bool isTuple = type.Name.StartsWith("ValueTuple`");
-//				if (isTuple) {
-//					if (_dicTupleConstructor.TryGetValue(type, out var tupleInfo) == false) {
-//						var types = type.GetFields().Select(a => a.FieldType).ToArray();
-//						tupleInfo = new _dicTupleConstructorInfo { Constructor = type.GetConstructor(types), Types = types };
-//						_dicTupleConstructor.AddOrUpdate(type, tupleInfo, (t2, c2) => tupleInfo);
-//					}
-//					var parms = new object[tupleInfo.Types.Length];
-//					for (int a = 0; a < parms.Length; a++) {
-//						var read = ExecuteArrayRowReadClassOrTuple(tupleInfo.Types[a], names, row, dataIndex);
-//						if (read.dataIndex > dataIndex) dataIndex = read.dataIndex;
-//						parms[a] = read.value;
-//					}
-//					return (tupleInfo.Constructor?.Invoke(parms), dataIndex);
-//				}
-//				return (dataIndex >= row.Length || (row[dataIndex] ?? DBNull.Value) == DBNull.Value ? null : GetDataReaderValue(type, row[dataIndex]), dataIndex + 1);
-//			}
-//			if (type == typeof(object) && names != null) {
-//				dynamic expando = new System.Dynamic.ExpandoObject(); //动态类型字段 可读可写
-//				var expandodic = (IDictionary<string, object>)expando;
-//				foreach (var name in names)
-//					expandodic.Add(name.Key, row[name.Value]);
-//				return (expando, names.Count);
-//			}
-//			//类注入属性
-//			if (_dicClassConstructor.TryGetValue(type, out var classInfo)== false) {
-//				classInfo = new _dicClassConstructorInfo { Constructor = type.GetConstructor(new Type[0]), Properties = type.GetProperties() };
-//				_dicClassConstructor.TryAdd(type, classInfo);
-//			}
-//			var value = classInfo.Constructor.Invoke(new object[0]);
-//			foreach(var prop in classInfo.Properties) {
-//				var tryidx = dataIndex;
-//				if (names != null && names.TryGetValue(prop.Name, out tryidx) == false) continue;
-//				var read = ExecuteArrayRowReadClassOrTuple(prop.PropertyType, names, row, tryidx);
-//				if (read.dataIndex > dataIndex) dataIndex = read.dataIndex;
-//				prop.SetValue(value, read.value, null);
-//				//FillPropertyValue(value, p.Name, read.value);
-//				//p.SetValue(value, read.value);
-//			}
-//			return (value, dataIndex);
-//		}
-
-//		internal static void FillPropertyValue(object info, string memberAccessPath, object value) {
-//			var current = info;
-//			PropertyInfo prop = null;
-//			var members = memberAccessPath.Split('.');
-//			for (var a = 0; a < members.Length; a++) {
-//				var type = current.GetType();
-//				prop = type.GetProperty(members[a], BindingFlags.Public | BindingFlags.IgnoreCase | BindingFlags.Instance);
-//				if (prop == null) throw new Exception(string.Concat(type.FullName, " 没有定义属性 ", members[a]));
-//				if (a < members.Length - 1) current = prop.GetValue(current);
-//			}
-//			prop.SetValue(current, GetDataReaderValue(prop.PropertyType, value), null);
-//		}
-//		internal static object GetDataReaderValue(Type type, object value) {
-//			if (value == null || value == DBNull.Value) return null;
-//			if (type.FullName == "System.Byte[]") return value;
-//			if (type.IsArray) {
-//				var elementType = type.GetElementType();
-//				var valueArr = value as Array;
-//				if (elementType == valueArr.GetType().GetElementType()) return value;
-//				var len = valueArr.GetLength(0);
-//				var ret = Array.CreateInstance(elementType, len);
-//				for (var a = 0; a < len; a++) {
-//					var item = valueArr.GetValue(a);
-//					ret.SetValue(GetDataReaderValue(elementType, item), a);
-//				}
-//				return ret;
-//			}
-//			if (type.IsNullableType()) type = type.GenericTypeArguments.First();
-//			if (type.IsEnum) return Enum.Parse(type, string.Concat(value), true);
-//			switch(type.FullName) {
-//				case "System.Guid":
-//					if (value.GetType() != type) return Guid.TryParse(string.Concat(value), out var tryguid) ? tryguid : Guid.Empty;
-//					return value;
-//				case "MygisPoint": return MygisPoint.Parse(string.Concat(value)) as MygisPoint;
-//				case "MygisLineString": return MygisLineString.Parse(string.Concat(value)) as MygisLineString;
-//				case "MygisPolygon": return MygisPolygon.Parse(string.Concat(value)) as MygisPolygon;
-//				case "MygisMultiPoint": return MygisMultiPoint.Parse(string.Concat(value)) as MygisMultiPoint;
-//				case "MygisMultiLineString": return MygisMultiLineString.Parse(string.Concat(value)) as MygisMultiLineString;
-//				case "MygisMultiPolygon": return MygisMultiPolygon.Parse(string.Concat(value)) as MygisMultiPolygon;
-//				case "Newtonsoft.Json.Linq.JToken": return JToken.Parse(string.Concat(value));
-//				case "Newtonsoft.Json.Linq.JObject": return JObject.Parse(string.Concat(value));
-//				case "Newtonsoft.Json.Linq.JArray": return JArray.Parse(string.Concat(value));
-//				case "Npgsql.LegacyPostgis.PostgisGeometry": return value;
-//			}
-//			if (type != value.GetType()) {
-//				if (type.FullName == "System.TimeSpan") return TimeSpan.FromSeconds(double.Parse(value.ToString()));
-//				return Convert.ChangeType(value, type);
-//			}
-//			return value;
-//		}
-//		internal static string GetCsName(string name) {
-//			name = Regex.Replace(name.TrimStart('@'), @"[^\w]", "_");
-//			return char.IsLetter(name, 0) ? name : string.Concat("_", name);
-//		}
-//	}
-//}

FreeSql/MySql/Curd/MySqlDelete.cs

@@ -21,7 +21,7 @@ namespace FreeSql.MySql.Curd {
 			var colidx = 0;
 			foreach (var col in _table.Columns.Values) {
 				if (colidx > 0) sb.Append(", ");
-				sb.Append(_commonUtils.QuoteReadColumn(col.CsType, _commonUtils.QuoteSqlName(col.Attribute.Name))).Append(" as ").Append(_commonUtils.QuoteSqlName(col.CsName));
+				sb.Append(_commonUtils.QuoteReadColumn(col.Attribute.MapType, _commonUtils.QuoteSqlName(col.Attribute.Name))).Append(" as ").Append(_commonUtils.QuoteSqlName(col.CsName));
 				++colidx;
 			}
 			var ret = _orm.Ado.Query<T1>(_connection, _transaction, CommandType.Text, sb.ToString(), _params.ToArray());
@@ -38,7 +38,7 @@ namespace FreeSql.MySql.Curd {
 			var colidx = 0;
 			foreach (var col in _table.Columns.Values) {
 				if (colidx > 0) sb.Append(", ");
-				sb.Append(_commonUtils.QuoteReadColumn(col.CsType, _commonUtils.QuoteSqlName(col.Attribute.Name))).Append(" as ").Append(_commonUtils.QuoteSqlName(col.CsName));
+				sb.Append(_commonUtils.QuoteReadColumn(col.Attribute.MapType, _commonUtils.QuoteSqlName(col.Attribute.Name))).Append(" as ").Append(_commonUtils.QuoteSqlName(col.CsName));
 				++colidx;
 			}
 			var ret = await _orm.Ado.QueryAsync<T1>(_connection, _transaction, CommandType.Text, sb.ToString(), _params.ToArray());

FreeSql/MySql/Curd/MySqlInsert.cs

@@ -41,7 +41,7 @@ namespace FreeSql.MySql.Curd {
 			var colidx = 0;
 			foreach (var col in _table.Columns.Values) {
 				if (colidx > 0) sb.Append(", ");
-				sb.Append(_commonUtils.QuoteReadColumn(col.CsType, _commonUtils.QuoteSqlName(col.Attribute.Name))).Append(" as ").Append(_commonUtils.QuoteSqlName(col.CsName));
+				sb.Append(_commonUtils.QuoteReadColumn(col.Attribute.MapType, _commonUtils.QuoteSqlName(col.Attribute.Name))).Append(" as ").Append(_commonUtils.QuoteSqlName(col.CsName));
 				++colidx;
 			}
 			return _orm.Ado.Query<T1>(_connection, _transaction, CommandType.Text, sb.ToString(), _params);
@@ -56,7 +56,7 @@ namespace FreeSql.MySql.Curd {
 			var colidx = 0;
 			foreach (var col in _table.Columns.Values) {
 				if (colidx > 0) sb.Append(", ");
-				sb.Append(_commonUtils.QuoteReadColumn(col.CsType, _commonUtils.QuoteSqlName(col.Attribute.Name))).Append(" as ").Append(_commonUtils.QuoteSqlName(col.CsName));
+				sb.Append(_commonUtils.QuoteReadColumn(col.Attribute.MapType, _commonUtils.QuoteSqlName(col.Attribute.Name))).Append(" as ").Append(_commonUtils.QuoteSqlName(col.CsName));
 				++colidx;
 			}
 			return await _orm.Ado.QueryAsync<T1>(_connection, _transaction, CommandType.Text, sb.ToString(), _params);

FreeSql/MySql/Curd/MySqlUpdate.cs

@@ -30,7 +30,7 @@ namespace FreeSql.MySql.Curd {
 			var colidx = 0;
 			foreach (var col in _table.Columns.Values) {
 				if (colidx > 0) sb.Append(", ");
-				sb.Append(_commonUtils.QuoteReadColumn(col.CsType, _commonUtils.QuoteSqlName(col.Attribute.Name))).Append(" as ").Append(_commonUtils.QuoteSqlName(col.CsName));
+				sb.Append(_commonUtils.QuoteReadColumn(col.Attribute.MapType, _commonUtils.QuoteSqlName(col.Attribute.Name))).Append(" as ").Append(_commonUtils.QuoteSqlName(col.CsName));
 				++colidx;
 			}
 			var ret = _orm.Ado.Query<T1>(_connection, _transaction, CommandType.Text, sb.ToString(), _params.Concat(_paramsSource).ToArray());
@@ -47,7 +47,7 @@ namespace FreeSql.MySql.Curd {
 			var colidx = 0;
 			foreach (var col in _table.Columns.Values) {
 				if (colidx > 0) sb.Append(", ");
-				sb.Append(_commonUtils.QuoteReadColumn(col.CsType, _commonUtils.QuoteSqlName(col.Attribute.Name))).Append(" as ").Append(_commonUtils.QuoteSqlName(col.CsName));
+				sb.Append(_commonUtils.QuoteReadColumn(col.Attribute.MapType, _commonUtils.QuoteSqlName(col.Attribute.Name))).Append(" as ").Append(_commonUtils.QuoteSqlName(col.CsName));
 				++colidx;
 			}
 			var ret = await _orm.Ado.QueryAsync<T1>(_connection, _transaction, CommandType.Text, sb.ToString(), _params.Concat(_paramsSource).ToArray());
@@ -57,14 +57,14 @@ namespace FreeSql.MySql.Curd {
 
 		protected override void ToSqlCase(StringBuilder caseWhen, ColumnInfo[] primarys) {
 			if (_table.Primarys.Length == 1) {
-				caseWhen.Append(_commonUtils.QuoteReadColumn(_table.Primarys.First().CsType, _commonUtils.QuoteSqlName(_table.Primarys.First().Attribute.Name)));
+				caseWhen.Append(_commonUtils.QuoteReadColumn(_table.Primarys.First().Attribute.MapType, _commonUtils.QuoteSqlName(_table.Primarys.First().Attribute.Name)));
 				return;
 			}
 			caseWhen.Append("CONCAT(");
 			var pkidx = 0;
 			foreach (var pk in _table.Primarys) {
 				if (pkidx > 0) caseWhen.Append(", ");
-				caseWhen.Append(_commonUtils.QuoteReadColumn(pk.CsType, _commonUtils.QuoteSqlName(pk.Attribute.Name)));
+				caseWhen.Append(_commonUtils.QuoteReadColumn(pk.Attribute.MapType, _commonUtils.QuoteSqlName(pk.Attribute.Name)));
 				++pkidx;
 			}
 			caseWhen.Append(")");
@@ -72,14 +72,14 @@ namespace FreeSql.MySql.Curd {
 
 		protected override void ToSqlWhen(StringBuilder sb, ColumnInfo[] primarys, object d) {
 			if (_table.Primarys.Length == 1) {
-				sb.Append(_commonUtils.FormatSql("{0}", _table.Properties.TryGetValue(_table.Primarys.First().CsName, out var tryp2) ? tryp2.GetValue(d) : null));
+				sb.Append(_commonUtils.FormatSql("{0}", _table.Primarys.First().GetMapValue(d)));
 				return;
 			}
 			sb.Append("CONCAT(");
 			var pkidx = 0;
 			foreach (var pk in _table.Primarys) {
 				if (pkidx > 0) sb.Append(", ");
-				sb.Append(_commonUtils.FormatSql("{0}", _table.Properties.TryGetValue(pk.CsName, out var tryp2) ? tryp2.GetValue(d) : null));
+				sb.Append(_commonUtils.FormatSql("{0}", pk.GetMapValue(d)));
 				++pkidx;
 			}
 			sb.Append(")");

FreeSql/MySql/MySqlAdo/MySqlAdo.cs

@@ -24,14 +24,16 @@ namespace FreeSql.MySql {
 			}
 		}
 		static DateTime dt1970 = new DateTime(1970, 1, 1);
-		public override object AddslashesProcessParam(object param) {
+		public override object AddslashesProcessParam(object param, Type mapType) {
 			if (param == null) return "NULL";
+			if (mapType != null && mapType != param.GetType())
+				param = Utils.GetDataReaderValue(mapType, param);
 			if (param is bool || param is bool?)
 				return (bool)param ? 1 : 0;
 			else if (param is string || param is char)
 				return string.Concat("'", param.ToString().Replace("'", "''"), "'");
 			else if (param is Enum)
-				return string.Concat("'", param.ToString().Replace("'", "''"), "'"); //((Enum)param).ToInt64();
+				return string.Concat("'", param.ToString().Replace("'", "''"), "'"); //((Enum)val).ToInt64();
 			else if (decimal.TryParse(string.Concat(param), out var trydec))
 				return param;
 			else if (param is DateTime || param is DateTime?)
@@ -43,11 +45,10 @@ namespace FreeSql.MySql {
 			else if (param is IEnumerable) {
 				var sb = new StringBuilder();
 				var ie = param as IEnumerable;
-				foreach (var z in ie) sb.Append(",").Append(AddslashesProcessParam(z));
+				foreach (var z in ie) sb.Append(",").Append(AddslashesProcessParam(z, mapType));
 				return sb.Length == 0 ? "(NULL)" : sb.Remove(0, 1).Insert(0, "(").Append(")").ToString();
 			}
 			return string.Concat("'", param.ToString().Replace("'", "''"), "'");
-			//if (param is string) return string.Concat('N', nparms[a]);
 		}
 
 		protected override DbCommand CreateCommand() {

FreeSql/MySql/MySqlCodeFirst.cs

@@ -133,13 +133,17 @@ namespace FreeSql.MySql {
 								if (tbcol.Attribute.IsIdentity == true && tbcol.Attribute.DbType.IndexOf("AUTO_INCREMENT", StringComparison.CurrentCultureIgnoreCase) == -1) sb.Append(" AUTO_INCREMENT");
 								sb.Append(",");
 							}
-							if (tb.Primarys.Any() == false)
+							if (tb.Primarys.Any()) {
-								sb.Remove(sb.Length - 1, 1);
-							else {
 								sb.Append(" \r\n  PRIMARY KEY (");
 								foreach (var tbcol in tb.Primarys) sb.Append(_commonUtils.QuoteSqlName(tbcol.Attribute.Name)).Append(", ");
-								sb.Remove(sb.Length - 2, 2).Append(")");
+								sb.Remove(sb.Length - 2, 2).Append("),");
 							}
+							foreach (var uk in tb.Uniques) {
+								sb.Append(" \r\n  UNIQUE KEY ").Append(_commonUtils.QuoteSqlName(uk.Key)).Append("(");
+								foreach (var tbcol in uk.Value) sb.Append(_commonUtils.QuoteSqlName(tbcol.Attribute.Name)).Append(", ");
+								sb.Remove(sb.Length - 2, 2).Append("),");
+							}
+							sb.Remove(sb.Length - 1, 1);
 							sb.Append("\r\n) Engine=InnoDB CHARACTER SET utf8;\r\n");
 							continue;
 						}
@@ -176,7 +180,7 @@ where a.table_schema in ({0}) and a.table_name in ({1})".FormatMySql(tboldname ?
 					}, StringComparer.CurrentCultureIgnoreCase);
 
 					if (istmpatler == false) {
-						var existsPrimary = ExecuteScalar(tbname[0], "select 1 from INFORMATION_SCHEMA.KEY_COLUMN_USAGE where table_schema={0} and table_name={1} limit 1".FormatMySql(tbname));
+						var existsPrimary = ExecuteScalar(tbname[0], "select 1 from information_schema.key_column_usage where table_schema={0} and table_name={1} and constraint_name = 'PRIMARY' limit 1".FormatMySql(tbname));
 						foreach (var tbcol in tb.Columns.Values) {
 							var isIdentityChanged = tbcol.Attribute.IsIdentity == true && tbcol.Attribute.DbType.IndexOf("AUTO_INCREMENT", StringComparison.CurrentCultureIgnoreCase) == -1;
 							if (tbstruct.TryGetValue(tbcol.Attribute.Name, out var tbstructcol) ||
@@ -202,6 +206,23 @@ where a.table_schema in ({0}) and a.table_name in ({1})".FormatMySql(tboldname ?
 							if (isIdentityChanged) sbalter.Append(" AUTO_INCREMENT").Append(existsPrimary == null ? "" : ", DROP PRIMARY KEY").Append(", ADD PRIMARY KEY(").Append(_commonUtils.QuoteSqlName(tbcol.Attribute.Name)).Append(")");
 							sbalter.Append(";\r\n");
 						}
+						var dsuksql = @"
+select 
+a.column_name,
+a.constraint_name 'index_id'
+from information_schema.key_column_usage a
+where a.constraint_schema IN ({0}) and a.table_name IN ({1})".FormatMySql(tboldname ?? tbname);
+						var dsuk = _orm.Ado.ExecuteArray(CommandType.Text, dsuksql).Select(a => new[] { string.Concat(a[0]), string.Concat(a[1]) });
+						foreach (var uk in tb.Uniques) {
+							if (uk.Key == "PRIMARY" || string.IsNullOrEmpty(uk.Key) || uk.Value.Any() == false) continue;
+							var dsukfind1 = dsuk.Where(a => string.Compare(a[1], uk.Key, true) == 0).ToArray();
+							if (dsukfind1.Any() == false || dsukfind1.Length != uk.Value.Count || dsukfind1.Where(a => uk.Value.Where(b => string.Compare(b.Attribute.Name, a[0], true) == 0).Any()).Count() != uk.Value.Count) {
+								if (dsukfind1.Any()) sbalter.Append("ALTER TABLE ").Append(_commonUtils.QuoteSqlName($"{tbname[0]}.{tbname[1]}")).Append(" DROP INDEX ").Append(_commonUtils.QuoteSqlName(uk.Key)).Append(";\r\n");
+								sbalter.Append("ALTER TABLE ").Append(_commonUtils.QuoteSqlName($"{tbname[0]}.{tbname[1]}")).Append(" ADD CONSTRAINT ").Append(_commonUtils.QuoteSqlName(uk.Key)).Append(" UNIQUE(");
+								foreach (var tbcol in uk.Value) sbalter.Append(_commonUtils.QuoteSqlName(tbcol.Attribute.Name)).Append(", ");
+								sbalter.Remove(sbalter.Length - 2, 2).Append(");\r\n");
+							}
+						}
 					}
 					if (istmpatler == false) {
 						sb.Append(sbalter);
@@ -219,13 +240,17 @@ where a.table_schema in ({0}) and a.table_name in ({1})".FormatMySql(tboldname ?
 						if (tbcol.Attribute.IsIdentity == true && tbcol.Attribute.DbType.IndexOf("AUTO_INCREMENT", StringComparison.CurrentCultureIgnoreCase) == -1) sb.Append(" AUTO_INCREMENT");
 						sb.Append(",");
 					}
-					if (tb.Primarys.Any() == false)
+					if (tb.Primarys.Any()) {
-						sb.Remove(sb.Length - 1, 1);
-					else {
 						sb.Append(" \r\n  PRIMARY KEY (");
 						foreach (var tbcol in tb.Primarys) sb.Append(_commonUtils.QuoteSqlName(tbcol.Attribute.Name)).Append(", ");
-						sb.Remove(sb.Length - 2, 2).Append(")");
+						sb.Remove(sb.Length - 2, 2).Append("),");
 					}
+					foreach (var uk in tb.Uniques) {
+						sb.Append(" \r\n  UNIQUE KEY ").Append(_commonUtils.QuoteSqlName(uk.Key)).Append("(");
+						foreach (var tbcol in uk.Value) sb.Append(_commonUtils.QuoteSqlName(tbcol.Attribute.Name)).Append(", ");
+						sb.Remove(sb.Length - 2, 2).Append("),");
+					}
+					sb.Remove(sb.Length - 1, 1);
 					sb.Append("\r\n) Engine=InnoDB CHARACTER SET utf8;\r\n");
 					sb.Append("INSERT INTO ").Append(tmptablename).Append(" (");
 					foreach (var tbcol in tb.Columns.Values)

FreeSql/MySql/MySqlDbFirst.cs

@@ -239,9 +239,9 @@ where a.table_schema in ({1}) and a.table_name in ({0})
 select 
 concat(a.constraint_schema, '.', a.table_name) 'table_id',
 a.column_name,
-concat(a.constraint_schema, '/', a.table_name, '/', a.constraint_name) 'index_id',
+a.constraint_name 'index_id',
 1 'IsUnique',
-case when constraint_name = 'PRIMARY' then 1 else 0 end 'IsPrimaryKey',
+case when a.constraint_name = 'PRIMARY' then 1 else 0 end 'IsPrimaryKey',
 0 'IsClustered',
 0 'IsDesc'
 from information_schema.key_column_usage a
@@ -274,7 +274,7 @@ where a.constraint_schema in ({1}) and a.table_name in ({0}) and isnull(position
 				if (!loc10.TryGetValue(index_id, out loc11))
 					loc10.Add(index_id, loc11 = new List<DbColumnInfo>());
 				loc11.Add(loc9);
-				if (is_unique) {
+				if (is_unique && !is_primary_key) {
 					if (!uniqueColumns.TryGetValue(table_id, out loc10))
 						uniqueColumns.Add(table_id, loc10 = new Dictionary<string, List<DbColumnInfo>>());
 					if (!loc10.TryGetValue(index_id, out loc11))
@@ -283,13 +283,13 @@ where a.constraint_schema in ({1}) and a.table_name in ({0}) and isnull(position
 				}
 			}
 			foreach (string table_id in indexColumns.Keys) {
-				foreach (var columns in indexColumns[table_id].Values)
+				foreach (var column in indexColumns[table_id])
-					loc2[table_id].Indexes.Add(columns);
+					loc2[table_id].IndexesDict.Add(column.Key, column.Value);
 			}
 			foreach (string table_id in uniqueColumns.Keys) {
-				foreach (var columns in uniqueColumns[table_id].Values) {
+				foreach (var column in uniqueColumns[table_id]) {
-					columns.Sort((c1, c2) => c1.Name.CompareTo(c2.Name));
+					column.Value.Sort((c1, c2) => c1.Name.CompareTo(c2.Name));
-					loc2[table_id].Uniques.Add(columns);
+					loc2[table_id].UniquesDict.Add(column.Key, column.Value);
 				}
 			}
 
@@ -297,7 +297,7 @@ where a.constraint_schema in ({1}) and a.table_name in ({0}) and isnull(position
 select 
 concat(a.constraint_schema, '.', a.table_name) 'table_id',
 a.column_name,
-concat(a.constraint_schema, '/', a.constraint_name) 'FKId',
+a.constraint_name 'FKId',
 concat(a.referenced_table_schema, '.', a.referenced_table_name) 'ref_table_id',
 1 'IsForeignKey',
 a.referenced_column_name 'ref_column'
@@ -335,8 +335,8 @@ where a.constraint_schema in ({1}) and a.table_name in ({0}) and not isnull(posi
 				loc13.ReferencedColumns.Add(loc11);
 			}
 			foreach (var table_id in fkColumns.Keys)
-				foreach (var fk in fkColumns[table_id].Values)
+				foreach (var fk in fkColumns[table_id])
-					loc2[table_id].Foreigns.Add(fk);
+					loc2[table_id].ForeignsDict.Add(fk.Key, fk.Value);
 
 			foreach (var table_id in loc3.Keys) {
 				foreach (var loc5 in loc3[table_id].Values) {
@@ -346,8 +346,8 @@ where a.constraint_schema in ({1}) and a.table_name in ({0}) and not isnull(posi
 				}
 			}
 			foreach (var loc4 in loc2.Values) {
-				if (loc4.Primarys.Count == 0 && loc4.Uniques.Count > 0) {
+				if (loc4.Primarys.Count == 0 && loc4.UniquesDict.Count > 0) {
-					foreach (var loc5 in loc4.Uniques[0]) {
+					foreach (var loc5 in loc4.UniquesDict.First().Value) {
 						loc5.IsPrimary = true;
 						loc4.Primarys.Add(loc5);
 					}
@@ -356,8 +356,8 @@ where a.constraint_schema in ({1}) and a.table_name in ({0}) and not isnull(posi
 				loc4.Columns.Sort((c1, c2) => {
 					int compare = c2.IsPrimary.CompareTo(c1.IsPrimary);
 					if (compare == 0) {
-						bool b1 = loc4.Foreigns.Find(fk => fk.Columns.Find(c3 => c3.Name == c1.Name) != null) != null;
+						bool b1 = loc4.ForeignsDict.Values.Where(fk => fk.Columns.Where(c3 => c3.Name == c1.Name).Any()).Any();
-						bool b2 = loc4.Foreigns.Find(fk => fk.Columns.Find(c3 => c3.Name == c2.Name) != null) != null;
+						bool b2 = loc4.ForeignsDict.Values.Where(fk => fk.Columns.Where(c3 => c3.Name == c2.Name).Any()).Any();
 						compare = b2.CompareTo(b1);
 					}
 					if (compare == 0) compare = c1.Name.CompareTo(c2.Name);
@@ -370,16 +370,6 @@ where a.constraint_schema in ({1}) and a.table_name in ({0}) and not isnull(posi
 				if (ret == 0) ret = t1.Name.CompareTo(t2.Name);
 				return ret;
 			});
-			foreach(var loc4 in loc1) {
-				var dicUniques = new Dictionary<string, List<DbColumnInfo>>();
-				if (loc4.Primarys.Count > 0) dicUniques.Add(string.Join(",", loc4.Primarys.Select(a => a.Name)), loc4.Primarys);
-				foreach(var loc5 in loc4.Uniques) {
-					var dickey = string.Join(",", loc5.Select(a => a.Name));
-					if (dicUniques.ContainsKey(dickey)) continue;
-					dicUniques.Add(dickey, loc5);
-				}
-				loc4.Uniques = dicUniques.Values.ToList();
-			}
 
 			loc2.Clear();
 			loc3.Clear();

FreeSql/MySql/MySqlExpression.cs

@@ -12,8 +12,8 @@ namespace FreeSql.MySql {
 
 		public MySqlExpression(CommonUtils common) : base(common) { }
 
-		internal override string ExpressionLambdaToSqlOther(Expression exp, List<SelectTableInfo> _tables, List<SelectColumnInfo> _selectColumnMap, Func<Expression[], string> getSelectGroupingMapString, SelectTableInfoType tbtype, bool isQuoteName, bool isDisableDiyParse, ExpressionStyle style) {
+		internal override string ExpressionLambdaToSqlOther(Expression exp, ExpTSC tsc) {
-			Func<Expression, string> getExp = exparg => ExpressionLambdaToSql(exparg, _tables, _selectColumnMap, getSelectGroupingMapString, tbtype, isQuoteName, isDisableDiyParse, style);
+			Func<Expression, string> getExp = exparg => ExpressionLambdaToSql(exparg, tsc);
 			switch (exp.NodeType) {
 				case ExpressionType.Convert:
 					var operandExp = (exp as UnaryExpression)?.Operand;
@@ -132,20 +132,20 @@ namespace FreeSql.MySql {
 			return null;
 		}
 
-		internal override string ExpressionLambdaToSqlMemberAccessString(MemberExpression exp, List<SelectTableInfo> _tables, List<SelectColumnInfo> _selectColumnMap, Func<Expression[], string> getSelectGroupingMapString, SelectTableInfoType tbtype, bool isQuoteName, bool isDisableDiyParse, ExpressionStyle style) {
+		internal override string ExpressionLambdaToSqlMemberAccessString(MemberExpression exp, ExpTSC tsc) {
 			if (exp.Expression == null) {
 				switch (exp.Member.Name) {
 					case "Empty": return "''";
 				}
 				return null;
 			}
-			var left = ExpressionLambdaToSql(exp.Expression, _tables, _selectColumnMap, getSelectGroupingMapString, tbtype, isQuoteName, isDisableDiyParse, style);
+			var left = ExpressionLambdaToSql(exp.Expression, tsc);
 			switch (exp.Member.Name) {
 				case "Length": return $"char_length({left})";
 			}
 			return null;
 		}
-		internal override string ExpressionLambdaToSqlMemberAccessDateTime(MemberExpression exp, List<SelectTableInfo> _tables, List<SelectColumnInfo> _selectColumnMap, Func<Expression[], string> getSelectGroupingMapString, SelectTableInfoType tbtype, bool isQuoteName, bool isDisableDiyParse, ExpressionStyle style) {
+		internal override string ExpressionLambdaToSqlMemberAccessDateTime(MemberExpression exp, ExpTSC tsc) {
 			if (exp.Expression == null) {
 				switch (exp.Member.Name) {
 					case "Now": return "now()";
@@ -156,7 +156,7 @@ namespace FreeSql.MySql {
 				}
 				return null;
 			}
-			var left = ExpressionLambdaToSql(exp.Expression, _tables, _selectColumnMap, getSelectGroupingMapString, tbtype, isQuoteName, isDisableDiyParse, style);
+			var left = ExpressionLambdaToSql(exp.Expression, tsc);
 			switch (exp.Member.Name) {
 				case "Date": return $"cast(date_format({left},'%Y-%m-%d') as datetime)";
 				case "TimeOfDay": return $"timestampdiff(microsecond, date_format({left},'%Y-%m-%d'), {left})";
@@ -173,7 +173,7 @@ namespace FreeSql.MySql {
 			}
 			return null;
 		}
-		internal override string ExpressionLambdaToSqlMemberAccessTimeSpan(MemberExpression exp, List<SelectTableInfo> _tables, List<SelectColumnInfo> _selectColumnMap, Func<Expression[], string> getSelectGroupingMapString, SelectTableInfoType tbtype, bool isQuoteName, bool isDisableDiyParse, ExpressionStyle style) {
+		internal override string ExpressionLambdaToSqlMemberAccessTimeSpan(MemberExpression exp, ExpTSC tsc) {
 			if (exp.Expression == null) {
 				switch (exp.Member.Name) {
 					case "Zero": return "0";
@@ -182,7 +182,7 @@ namespace FreeSql.MySql {
 				}
 				return null;
 			}
-			var left = ExpressionLambdaToSql(exp.Expression, _tables, _selectColumnMap, getSelectGroupingMapString, tbtype, isQuoteName, isDisableDiyParse, style);
+			var left = ExpressionLambdaToSql(exp.Expression, tsc);
 			switch (exp.Member.Name) {
 				case "Days": return $"(({left}) div {(long)1000000 * 60 * 60 * 24})";
 				case "Hours": return $"(({left}) div {(long)1000000 * 60 * 60} mod 24)";
@@ -199,8 +199,8 @@ namespace FreeSql.MySql {
 			return null;
 		}
 
-		internal override string ExpressionLambdaToSqlCallString(MethodCallExpression exp, List<SelectTableInfo> _tables, List<SelectColumnInfo> _selectColumnMap, Func<Expression[], string> getSelectGroupingMapString, SelectTableInfoType tbtype, bool isQuoteName, bool isDisableDiyParse, ExpressionStyle style) {
+		internal override string ExpressionLambdaToSqlCallString(MethodCallExpression exp, ExpTSC tsc) {
-			Func<Expression, string> getExp = exparg => ExpressionLambdaToSql(exparg, _tables, _selectColumnMap, getSelectGroupingMapString, tbtype, isQuoteName, isDisableDiyParse, style);
+			Func<Expression, string> getExp = exparg => ExpressionLambdaToSql(exparg, tsc);
 			if (exp.Object == null) {
 				switch (exp.Method.Name) {
 					case "IsNullOrEmpty":
@@ -272,8 +272,8 @@ namespace FreeSql.MySql {
 			}
 			throw new Exception($"MySqlExpression 未实现函数表达式 {exp} 解析");
 		}
-		internal override string ExpressionLambdaToSqlCallMath(MethodCallExpression exp, List<SelectTableInfo> _tables, List<SelectColumnInfo> _selectColumnMap, Func<Expression[], string> getSelectGroupingMapString, SelectTableInfoType tbtype, bool isQuoteName, bool isDisableDiyParse, ExpressionStyle style) {
+		internal override string ExpressionLambdaToSqlCallMath(MethodCallExpression exp, ExpTSC tsc) {
-			Func<Expression, string> getExp = exparg => ExpressionLambdaToSql(exparg, _tables, _selectColumnMap, getSelectGroupingMapString, tbtype, isQuoteName, isDisableDiyParse, style);
+			Func<Expression, string> getExp = exparg => ExpressionLambdaToSql(exparg, tsc);
 			switch (exp.Method.Name) {
 				case "Abs": return $"abs({getExp(exp.Arguments[0])})";
 				case "Sign": return $"sign({getExp(exp.Arguments[0])})";
@@ -298,8 +298,8 @@ namespace FreeSql.MySql {
 			}
 			throw new Exception($"MySqlExpression 未实现函数表达式 {exp} 解析");
 		}
-		internal override string ExpressionLambdaToSqlCallDateTime(MethodCallExpression exp, List<SelectTableInfo> _tables, List<SelectColumnInfo> _selectColumnMap, Func<Expression[], string> getSelectGroupingMapString, SelectTableInfoType tbtype, bool isQuoteName, bool isDisableDiyParse, ExpressionStyle style) {
+		internal override string ExpressionLambdaToSqlCallDateTime(MethodCallExpression exp, ExpTSC tsc) {
-			Func<Expression, string> getExp = exparg => ExpressionLambdaToSql(exparg, _tables, _selectColumnMap, getSelectGroupingMapString, tbtype, isQuoteName, isDisableDiyParse, style);
+			Func<Expression, string> getExp = exparg => ExpressionLambdaToSql(exparg, tsc);
 			if (exp.Object == null) {
 				switch (exp.Method.Name) {
 					case "Compare": return $"({getExp(exp.Arguments[0])} - ({getExp(exp.Arguments[1])}))";
@@ -341,8 +341,8 @@ namespace FreeSql.MySql {
 			}
 			throw new Exception($"MySqlExpression 未实现函数表达式 {exp} 解析");
 		}
-		internal override string ExpressionLambdaToSqlCallTimeSpan(MethodCallExpression exp, List<SelectTableInfo> _tables, List<SelectColumnInfo> _selectColumnMap, Func<Expression[], string> getSelectGroupingMapString, SelectTableInfoType tbtype, bool isQuoteName, bool isDisableDiyParse, ExpressionStyle style) {
+		internal override string ExpressionLambdaToSqlCallTimeSpan(MethodCallExpression exp, ExpTSC tsc) {
-			Func<Expression, string> getExp = exparg => ExpressionLambdaToSql(exparg, _tables, _selectColumnMap, getSelectGroupingMapString, tbtype, isQuoteName, isDisableDiyParse, style);
+			Func<Expression, string> getExp = exparg => ExpressionLambdaToSql(exparg, tsc);
 			if (exp.Object == null) {
 				switch (exp.Method.Name) {
 					case "Compare": return $"({getExp(exp.Arguments[0])}-({getExp(exp.Arguments[1])}))";
@@ -371,8 +371,8 @@ namespace FreeSql.MySql {
 			}
 			throw new Exception($"MySqlExpression 未实现函数表达式 {exp} 解析");
 		}
-		internal override string ExpressionLambdaToSqlCallConvert(MethodCallExpression exp, List<SelectTableInfo> _tables, List<SelectColumnInfo> _selectColumnMap, Func<Expression[], string> getSelectGroupingMapString, SelectTableInfoType tbtype, bool isQuoteName, bool isDisableDiyParse, ExpressionStyle style) {
+		internal override string ExpressionLambdaToSqlCallConvert(MethodCallExpression exp, ExpTSC tsc) {
-			Func<Expression, string> getExp = exparg => ExpressionLambdaToSql(exparg, _tables, _selectColumnMap, getSelectGroupingMapString, tbtype, isQuoteName, isDisableDiyParse, style);
+			Func<Expression, string> getExp = exparg => ExpressionLambdaToSql(exparg, tsc);
 			if (exp.Object == null) {
 				switch (exp.Method.Name) {
 					case "ToBoolean": return $"({getExp(exp.Arguments[0])} not in ('0','false'))";

FreeSql/MySql/MySqlUtils.cs

@@ -49,6 +49,12 @@ namespace FreeSql.MySql {
 				return nametrim; //原生SQL
 			return $"`{nametrim.Trim('`').Replace(".", "`.`")}`";
 		}
+		internal override string TrimQuoteSqlName(string name) {
+			var nametrim = name.Trim();
+			if (nametrim.StartsWith("(") && nametrim.EndsWith(")"))
+				return nametrim; //原生SQL
+			return $"{nametrim.Trim('`').Replace("`.`", ".").Replace(".`", ".")}";
+		}
 		internal override string QuoteParamterName(string name) => $"?{(_orm.CodeFirst.IsSyncStructureToLower ? name.ToLower() : name)}";
 		internal override string IsNull(string sql, object value) => $"ifnull({sql}, {value})";
 		internal override string StringConcat(string[] objs, Type[] types) => $"concat({string.Join(", ", objs)})";

FreeSql/Oracle/Curd/OracleInsert.cs

@@ -60,17 +60,14 @@ namespace FreeSql.Oracle.Curd {
 				foreach (var col in _table.Columns.Values) {
 					if (col.Attribute.IsIdentity == false && _ignore.ContainsKey(col.Attribute.Name) == false) {
 						if (colidx2 > 0) sb.Append(", ");
-						object val = null;
+						object val = col.GetMapValue(d);
-						if (_table.Properties.TryGetValue(col.CsName, out var tryp)) {
+						if (col.Attribute.IsPrimary && col.Attribute.MapType.NullableTypeOrThis() == typeof(Guid) && (val == null || (Guid)val == Guid.Empty))
-							val = tryp.GetValue(d);
+							col.SetMapValue(d, val = FreeUtil.NewMongodbId());
-							if (col.Attribute.IsPrimary && (col.CsType == typeof(Guid) || col.CsType == typeof(Guid?))
-								&& (val == null || (Guid)val == Guid.Empty)) tryp.SetValue(d, val = FreeUtil.NewMongodbId());
-						}
 						if (_noneParameter)
-							sb.Append(_commonUtils.GetNoneParamaterSqlValue(specialParams, col.CsType, val));
+							sb.Append(_commonUtils.GetNoneParamaterSqlValue(specialParams, col.Attribute.MapType, val));
 						else {
-							sb.Append(_commonUtils.QuoteWriteParamter(col.CsType, _commonUtils.QuoteParamterName($"{col.CsName}_{didx}")));
+							sb.Append(_commonUtils.QuoteWriteParamter(col.Attribute.MapType, _commonUtils.QuoteParamterName($"{col.CsName}_{didx}")));
-							_params[didx * colidx + colidx2] = _commonUtils.AppendParamter(null, $"{col.CsName}_{didx}", col.CsType, val);
+							_params[didx * colidx + colidx2] = _commonUtils.AppendParamter(null, $"{col.CsName}_{didx}", col.Attribute.MapType, val);
 						}
 						++colidx2;
 					}
@@ -92,7 +89,7 @@ namespace FreeSql.Oracle.Curd {
 				return 0;
 			}
 			var identColName = _commonUtils.QuoteSqlName(_identCol.Attribute.Name);
-			var identParam = _commonUtils.AppendParamter(null, $"{_identCol.CsName}99", _identCol.CsType, 0) as OracleParameter;
+			var identParam = _commonUtils.AppendParamter(null, $"{_identCol.CsName}99", _identCol.Attribute.MapType, 0) as OracleParameter;
 			identParam.Direction = ParameterDirection.Output;
 			_orm.Ado.ExecuteNonQuery(_connection, _transaction, CommandType.Text, $"{sql} RETURNING {identColName} INTO {identParam.ParameterName}", _params.Concat(new[] { identParam }).ToArray());
 			return long.TryParse(string.Concat(identParam.Value), out var trylng) ? trylng : 0;
@@ -106,7 +103,7 @@ namespace FreeSql.Oracle.Curd {
 				return 0;
 			}
 			var identColName = _commonUtils.QuoteSqlName(_identCol.Attribute.Name);
-			var identParam = _commonUtils.AppendParamter(null, $"{_identCol.CsName}99", _identCol.CsType, 0) as OracleParameter;
+			var identParam = _commonUtils.AppendParamter(null, $"{_identCol.CsName}99", _identCol.Attribute.MapType, 0) as OracleParameter;
 			identParam.Direction = ParameterDirection.Output;
 			await _orm.Ado.ExecuteNonQueryAsync(_connection, _transaction, CommandType.Text, $"{sql} RETURNING {identColName} INTO {identParam.ParameterName}", _params.Concat(new[] { identParam }).ToArray());
 			return long.TryParse(string.Concat(identParam.Value), out var trylng) ? trylng : 0;

FreeSql/Oracle/Curd/OracleUpdate.cs

@@ -30,14 +30,14 @@ namespace FreeSql.Oracle.Curd {
 
 		protected override void ToSqlCase(StringBuilder caseWhen, ColumnInfo[] primarys) {
 			if (_table.Primarys.Length == 1) {
-				caseWhen.Append(_commonUtils.QuoteReadColumn(_table.Primarys.First().CsType, _commonUtils.QuoteSqlName(_table.Primarys.First().Attribute.Name)));
+				caseWhen.Append(_commonUtils.QuoteReadColumn(_table.Primarys.First().Attribute.MapType, _commonUtils.QuoteSqlName(_table.Primarys.First().Attribute.Name)));
 				return;
 			}
 			caseWhen.Append("(");
 			var pkidx = 0;
 			foreach (var pk in _table.Primarys) {
 				if (pkidx > 0) caseWhen.Append(" || ");
-				caseWhen.Append(_commonUtils.QuoteReadColumn(pk.CsType, _commonUtils.QuoteSqlName(pk.Attribute.Name)));
+				caseWhen.Append(_commonUtils.QuoteReadColumn(pk.Attribute.MapType, _commonUtils.QuoteSqlName(pk.Attribute.Name)));
 				++pkidx;
 			}
 			caseWhen.Append(")");
@@ -45,14 +45,14 @@ namespace FreeSql.Oracle.Curd {
 
 		protected override void ToSqlWhen(StringBuilder sb, ColumnInfo[] primarys, object d) {
 			if (_table.Primarys.Length == 1) {
-				sb.Append(_commonUtils.FormatSql("{0}", _table.Properties.TryGetValue(_table.Primarys.First().CsName, out var tryp2) ? tryp2.GetValue(d) : null));
+				sb.Append(_commonUtils.FormatSql("{0}", _table.Primarys.First().GetMapValue(d)));
 				return;
 			}
 			sb.Append("(");
 			var pkidx = 0;
 			foreach (var pk in _table.Primarys) {
 				if (pkidx > 0) sb.Append(" || ");
-				sb.Append(_commonUtils.FormatSql("{0}", _table.Properties.TryGetValue(pk.CsName, out var tryp2) ? tryp2.GetValue(d) : null));
+				sb.Append(_commonUtils.FormatSql("{0}", pk.GetMapValue(d)));
 				++pkidx;
 			}
 			sb.Append(")");

FreeSql/Oracle/OracleAdo/OracleAdo.cs

@@ -23,8 +23,10 @@ namespace FreeSql.Oracle {
 			}
 		}
 		static DateTime dt1970 = new DateTime(1970, 1, 1);
-		public override object AddslashesProcessParam(object param) {
+		public override object AddslashesProcessParam(object param, Type mapType) {
 			if (param == null) return "NULL";
+			if (mapType != null && mapType != param.GetType())
+				param = Utils.GetDataReaderValue(mapType, param);
 			if (param is bool || param is bool?)
 				return (bool)param ? 1 : 0;
 			else if (param is string || param is char)
@@ -40,7 +42,7 @@ namespace FreeSql.Oracle {
 			else if (param is IEnumerable) {
 				var sb = new StringBuilder();
 				var ie = param as IEnumerable;
-				foreach (var z in ie) sb.Append(",").Append(AddslashesProcessParam(z));
+				foreach (var z in ie) sb.Append(",").Append(AddslashesProcessParam(z, mapType));
 				return sb.Length == 0 ? "(NULL)" : sb.Remove(0, 1).Insert(0, "(").Append(")").ToString();
 			}
 			return string.Concat("'", param.ToString().Replace("'", "''"), "'");

FreeSql/Oracle/OracleCodeFirst.cs

@@ -112,13 +112,17 @@ namespace FreeSql.Oracle {
 							sb.Append(" \r\n  ").Append(_commonUtils.QuoteSqlName(tbcol.Attribute.Name)).Append(" ").Append(tbcol.Attribute.DbType).Append(",");
 							if (tbcol.Attribute.IsIdentity == true) seqcols.Add((tbcol, tbname, true));
 						}
-						if (tb.Primarys.Any() == false)
+						if (tb.Primarys.Any()) {
-							sb.Remove(sb.Length - 1, 1);
-						else {
 							sb.Append(" \r\n  CONSTRAINT ").Append(tbname[0]).Append("_").Append(tbname[1]).Append("_pk1 PRIMARY KEY (");
 							foreach (var tbcol in tb.Primarys) sb.Append(_commonUtils.QuoteSqlName(tbcol.Attribute.Name)).Append(", ");
-							sb.Remove(sb.Length - 2, 2).Append(")");
+							sb.Remove(sb.Length - 2, 2).Append("),");
 						}
+						foreach (var uk in tb.Uniques) {
+							sb.Append(" \r\n  CONSTRAINT ").Append(_commonUtils.QuoteSqlName(uk.Key)).Append(" UNIQUE (");
+							foreach (var tbcol in uk.Value) sb.Append(_commonUtils.QuoteSqlName(tbcol.Attribute.Name)).Append(", ");
+							sb.Remove(sb.Length - 2, 2).Append("),");
+						}
+						sb.Remove(sb.Length - 1, 1);
 						sb.Append("\r\n) \r\nLOGGING \r\nNOCOMPRESS \r\nNOCACHE\r\n';\r\n");
 						continue;
 					}
@@ -185,6 +189,30 @@ where owner={{0}} and table_name={{1}}".FormatOracleSQL(tboldname ?? tbname);
 						}
 						if (tbcol.Attribute.IsIdentity == true) seqcols.Add((tbcol, tbname, tbcol.Attribute.IsIdentity == true));
 					}
+					var dsuksql = @"
+select
+c.column_name,
+c.constraint_name
+from
+all_constraints a,
+all_cons_columns c
+where
+a.constraint_name = c.constraint_name
+and a.owner = c.owner
+and a.table_name = c.table_name
+and a.constraint_type in ('U')
+and a.owner in ({0}) and a.table_name in ({1})".FormatMySql(tboldname ?? tbname);
+					var dsuk = _orm.Ado.ExecuteArray(CommandType.Text, dsuksql).Select(a => new[] { string.Concat(a[0]), string.Concat(a[1]) });
+					foreach (var uk in tb.Uniques) {
+						if (string.IsNullOrEmpty(uk.Key) || uk.Value.Any() == false) continue;
+						var dsukfind1 = dsuk.Where(a => string.Compare(a[1], uk.Key, true) == 0).ToArray();
+						if (dsukfind1.Any() == false || dsukfind1.Length != uk.Value.Count || dsukfind1.Where(a => uk.Value.Where(b => string.Compare(b.Attribute.Name, a[0], true) == 0).Any()).Count() != uk.Value.Count) {
+							if (dsukfind1.Any()) sbalter.Append("execute immediate 'ALTER TABLE ").Append(_commonUtils.QuoteSqlName($"{tbname[0]}.{tbname[1]}")).Append(" DROP CONSTRAINT ").Append(_commonUtils.QuoteSqlName(uk.Key)).Append("';\r\n");
+							sbalter.Append("execute immediate 'ALTER TABLE ").Append(_commonUtils.QuoteSqlName($"{tbname[0]}.{tbname[1]}")).Append(" ADD CONSTRAINT ").Append(_commonUtils.QuoteSqlName(uk.Key)).Append(" UNIQUE(");
+							foreach (var tbcol in uk.Value) sbalter.Append(_commonUtils.QuoteSqlName(tbcol.Attribute.Name)).Append(", ");
+							sbalter.Remove(sbalter.Length - 2, 2).Append(")';\r\n");
+						}
+					}
 				}
 				if (istmpatler == false) {
 					sb.Append(sbalter);
@@ -203,13 +231,17 @@ where owner={{0}} and table_name={{1}}".FormatOracleSQL(tboldname ?? tbname);
 					sb.Append(" \r\n  ").Append(_commonUtils.QuoteSqlName(tbcol.Attribute.Name)).Append(" ").Append(tbcol.Attribute.DbType).Append(",");
 					if (tbcol.Attribute.IsIdentity == true) seqcols.Add((tbcol, tbname, true));
 				}
-				if (tb.Primarys.Any() == false)
+				if (tb.Primarys.Any()) {
-					sb.Remove(sb.Length - 1, 1);
-				else {
 					sb.Append(" \r\n  CONSTRAINT ").Append(tbname[0]).Append("_").Append(tbname[1]).Append("_pk2 PRIMARY KEY (");
 					foreach (var tbcol in tb.Primarys) sb.Append(_commonUtils.QuoteSqlName(tbcol.Attribute.Name)).Append(", ");
-					sb.Remove(sb.Length - 2, 2).Append(")");
+					sb.Remove(sb.Length - 2, 2).Append("),");
 				}
+				foreach (var uk in tb.Uniques) {
+					sb.Append(" \r\n  CONSTRAINT ").Append(_commonUtils.QuoteSqlName(uk.Key)).Append(" UNIQUE (");
+					foreach (var tbcol in uk.Value) sb.Append(_commonUtils.QuoteSqlName(tbcol.Attribute.Name)).Append(", ");
+					sb.Remove(sb.Length - 2, 2).Append("),");
+				}
+				sb.Remove(sb.Length - 1, 1);
 				sb.Append("\r\n) LOGGING \r\nNOCOMPRESS \r\nNOCACHE\r\n';\r\n");
 				sb.Append("execute immediate 'INSERT INTO ").Append(tmptablename).Append(" (");
 				foreach (var tbcol in tb.Columns.Values)

FreeSql/Oracle/OracleDbFirst.cs

@@ -251,7 +251,7 @@ where a.owner in ({1}) and a.table_name in ({0})
 select
 a.owner || '.' || a.table_name,
 c.column_name,
-a.owner || '/' || a.table_name || '/' || c.constraint_name,
+c.constraint_name,
 case when a.constraint_type = 'U' then 1 else 0 end,
 case when a.constraint_type = 'P' then 1 else 0 end,
 0,
@@ -293,7 +293,7 @@ and a.owner in ({1}) and a.table_name in ({0})
 				if (!loc10.TryGetValue(index_id, out loc11))
 					loc10.Add(index_id, loc11 = new List<DbColumnInfo>());
 				loc11.Add(loc9);
-				if (is_unique) {
+				if (is_unique && !is_primary_key) {
 					if (!uniqueColumns.TryGetValue(table_id, out loc10))
 						uniqueColumns.Add(table_id, loc10 = new Dictionary<string, List<DbColumnInfo>>());
 					if (!loc10.TryGetValue(index_id, out loc11))
@@ -302,13 +302,13 @@ and a.owner in ({1}) and a.table_name in ({0})
 				}
 			}
 			foreach (string table_id in indexColumns.Keys) {
-				foreach (var columns in indexColumns[table_id].Values)
+				foreach (var column in indexColumns[table_id])
-					loc2[table_id].Indexes.Add(columns);
+					loc2[table_id].IndexesDict.Add(column.Key, column.Value);
 			}
 			foreach (string table_id in uniqueColumns.Keys) {
-				foreach (var columns in uniqueColumns[table_id].Values) {
+				foreach (var column in uniqueColumns[table_id]) {
-					columns.Sort((c1, c2) => c1.Name.CompareTo(c2.Name));
+					column.Value.Sort((c1, c2) => c1.Name.CompareTo(c2.Name));
-					loc2[table_id].Uniques.Add(columns);
+					loc2[table_id].UniquesDict.Add(column.Key, column.Value);
 				}
 			}
 
@@ -316,7 +316,7 @@ and a.owner in ({1}) and a.table_name in ({0})
 select
 a.owner || '.' || a.table_name,
 c.column_name,
-a.owner || '/' || a.table_name || '/' || c.constraint_name,
+c.constraint_name,
 b.owner || '.' || b.table_name,
 1,
 d.column_name
@@ -379,8 +379,8 @@ and a.owner in ({1}) and a.table_name in ({0})
 				loc13.ReferencedColumns.Add(loc11);
 			}
 			foreach (var table_id in fkColumns.Keys)
-				foreach (var fk in fkColumns[table_id].Values)
+				foreach (var fk in fkColumns[table_id])
-					loc2[table_id].Foreigns.Add(fk);
+					loc2[table_id].ForeignsDict.Add(fk.Key, fk.Value);
 
 			foreach (var table_id in loc3.Keys) {
 				foreach (var loc5 in loc3[table_id].Values) {
@@ -390,8 +390,8 @@ and a.owner in ({1}) and a.table_name in ({0})
 				}
 			}
 			foreach (var loc4 in loc2.Values) {
-				if (loc4.Primarys.Count == 0 && loc4.Uniques.Count > 0) {
+				if (loc4.Primarys.Count == 0 && loc4.UniquesDict.Count > 0) {
-					foreach (var loc5 in loc4.Uniques[0]) {
+					foreach (var loc5 in loc4.UniquesDict.First().Value) {
 						loc5.IsPrimary = true;
 						loc4.Primarys.Add(loc5);
 					}
@@ -400,8 +400,8 @@ and a.owner in ({1}) and a.table_name in ({0})
 				loc4.Columns.Sort((c1, c2) => {
 					int compare = c2.IsPrimary.CompareTo(c1.IsPrimary);
 					if (compare == 0) {
-						bool b1 = loc4.Foreigns.Find(fk => fk.Columns.Find(c3 => c3.Name == c1.Name) != null) != null;
+						bool b1 = loc4.ForeignsDict.Values.Where(fk => fk.Columns.Where(c3 => c3.Name == c1.Name).Any()).Any();
-						bool b2 = loc4.Foreigns.Find(fk => fk.Columns.Find(c3 => c3.Name == c2.Name) != null) != null;
+						bool b2 = loc4.ForeignsDict.Values.Where(fk => fk.Columns.Where(c3 => c3.Name == c2.Name).Any()).Any();
 						compare = b2.CompareTo(b1);
 					}
 					if (compare == 0) compare = c1.Name.CompareTo(c2.Name);
@@ -414,16 +414,6 @@ and a.owner in ({1}) and a.table_name in ({0})
 				if (ret == 0) ret = t1.Name.CompareTo(t2.Name);
 				return ret;
 			});
-			foreach (var loc4 in loc1) {
-				var dicUniques = new Dictionary<string, List<DbColumnInfo>>();
-				if (loc4.Primarys.Count > 0) dicUniques.Add(string.Join(",", loc4.Primarys.Select(a => a.Name)), loc4.Primarys);
-				foreach (var loc5 in loc4.Uniques) {
-					var dickey = string.Join(",", loc5.Select(a => a.Name));
-					if (dicUniques.ContainsKey(dickey)) continue;
-					dicUniques.Add(dickey, loc5);
-				}
-				loc4.Uniques = dicUniques.Values.ToList();
-			}
 
 			loc2.Clear();
 			loc3.Clear();

FreeSql/Oracle/OracleExpression.cs

@@ -12,8 +12,8 @@ namespace FreeSql.Oracle {
 
 		public OracleExpression(CommonUtils common) : base(common) { }
 
-		internal override string ExpressionLambdaToSqlOther(Expression exp, List<SelectTableInfo> _tables, List<SelectColumnInfo> _selectColumnMap, Func<Expression[], string> getSelectGroupingMapString, SelectTableInfoType tbtype, bool isQuoteName, bool isDisableDiyParse, ExpressionStyle style) {
+		internal override string ExpressionLambdaToSqlOther(Expression exp, ExpTSC tsc) {
-			Func<Expression, string> getExp = exparg => ExpressionLambdaToSql(exparg, _tables, _selectColumnMap, getSelectGroupingMapString, tbtype, isQuoteName, isDisableDiyParse, style);
+			Func<Expression, string> getExp = exparg => ExpressionLambdaToSql(exparg, tsc);
 			switch (exp.NodeType) {
 				case ExpressionType.Convert:
 					var operandExp = (exp as UnaryExpression)?.Operand;
@@ -132,20 +132,20 @@ namespace FreeSql.Oracle {
 			return null;
 		}
 
-		internal override string ExpressionLambdaToSqlMemberAccessString(MemberExpression exp, List<SelectTableInfo> _tables, List<SelectColumnInfo> _selectColumnMap, Func<Expression[], string> getSelectGroupingMapString, SelectTableInfoType tbtype, bool isQuoteName, bool isDisableDiyParse, ExpressionStyle style) {
+		internal override string ExpressionLambdaToSqlMemberAccessString(MemberExpression exp, ExpTSC tsc) {
 			if (exp.Expression == null) {
 				switch (exp.Member.Name) {
 					case "Empty": return "''";
 				}
 				return null;
 			}
-			var left = ExpressionLambdaToSql(exp.Expression, _tables, _selectColumnMap, getSelectGroupingMapString, tbtype, isQuoteName, isDisableDiyParse, style);
+			var left = ExpressionLambdaToSql(exp.Expression, tsc);
 			switch (exp.Member.Name) {
 				case "Length": return $"length({left})";
 			}
 			return null;
 		}
-		internal override string ExpressionLambdaToSqlMemberAccessDateTime(MemberExpression exp, List<SelectTableInfo> _tables, List<SelectColumnInfo> _selectColumnMap, Func<Expression[], string> getSelectGroupingMapString, SelectTableInfoType tbtype, bool isQuoteName, bool isDisableDiyParse, ExpressionStyle style) {
+		internal override string ExpressionLambdaToSqlMemberAccessDateTime(MemberExpression exp, ExpTSC tsc) {
 			if (exp.Expression == null) {
 				switch (exp.Member.Name) {
 					case "Now": return "systimestamp";
@@ -156,7 +156,7 @@ namespace FreeSql.Oracle {
 				}
 				return null;
 			}
-			var left = ExpressionLambdaToSql(exp.Expression, _tables, _selectColumnMap, getSelectGroupingMapString, tbtype, isQuoteName, isDisableDiyParse, style);
+			var left = ExpressionLambdaToSql(exp.Expression, tsc);
 			switch (exp.Member.Name) {
 				case "Date": return $"trunc({left})";
 				case "TimeOfDay": return $"({left}-trunc({left}))";
@@ -173,7 +173,7 @@ namespace FreeSql.Oracle {
 			}
 			return null;
 		}
-		internal override string ExpressionLambdaToSqlMemberAccessTimeSpan(MemberExpression exp, List<SelectTableInfo> _tables, List<SelectColumnInfo> _selectColumnMap, Func<Expression[], string> getSelectGroupingMapString, SelectTableInfoType tbtype, bool isQuoteName, bool isDisableDiyParse, ExpressionStyle style) {
+		internal override string ExpressionLambdaToSqlMemberAccessTimeSpan(MemberExpression exp, ExpTSC tsc) {
 			if (exp.Expression == null) {
 				switch (exp.Member.Name) {
 					case "Zero": return "numtodsinterval(0,'second')";
@@ -182,7 +182,7 @@ namespace FreeSql.Oracle {
 				}
 				return null;
 			}
-			var left = ExpressionLambdaToSql(exp.Expression, _tables, _selectColumnMap, getSelectGroupingMapString, tbtype, isQuoteName, isDisableDiyParse, style);
+			var left = ExpressionLambdaToSql(exp.Expression, tsc);
 			switch (exp.Member.Name) {
 				case "Days": return $"extract(day from {left})";
 				case "Hours": return $"extract(hour from {left})";
@@ -199,8 +199,8 @@ namespace FreeSql.Oracle {
 			return null;
 		}
 
-		internal override string ExpressionLambdaToSqlCallString(MethodCallExpression exp, List<SelectTableInfo> _tables, List<SelectColumnInfo> _selectColumnMap, Func<Expression[], string> getSelectGroupingMapString, SelectTableInfoType tbtype, bool isQuoteName, bool isDisableDiyParse, ExpressionStyle style) {
+		internal override string ExpressionLambdaToSqlCallString(MethodCallExpression exp, ExpTSC tsc) {
-			Func<Expression, string> getExp = exparg => ExpressionLambdaToSql(exparg, _tables, _selectColumnMap, getSelectGroupingMapString, tbtype, isQuoteName, isDisableDiyParse, style);
+			Func<Expression, string> getExp = exparg => ExpressionLambdaToSql(exparg, tsc);
 			if (exp.Object == null) {
 				switch (exp.Method.Name) {
 					case "IsNullOrEmpty":
@@ -272,8 +272,8 @@ namespace FreeSql.Oracle {
 			}
 			throw new Exception($"OracleExpression 未实现函数表达式 {exp} 解析");
 		}
-		internal override string ExpressionLambdaToSqlCallMath(MethodCallExpression exp, List<SelectTableInfo> _tables, List<SelectColumnInfo> _selectColumnMap, Func<Expression[], string> getSelectGroupingMapString, SelectTableInfoType tbtype, bool isQuoteName, bool isDisableDiyParse, ExpressionStyle style) {
+		internal override string ExpressionLambdaToSqlCallMath(MethodCallExpression exp, ExpTSC tsc) {
-			Func<Expression, string> getExp = exparg => ExpressionLambdaToSql(exparg, _tables, _selectColumnMap, getSelectGroupingMapString, tbtype, isQuoteName, isDisableDiyParse, style);
+			Func<Expression, string> getExp = exparg => ExpressionLambdaToSql(exparg, tsc);
 			switch (exp.Method.Name) {
 				case "Abs": return $"abs({getExp(exp.Arguments[0])})";
 				case "Sign": return $"sign({getExp(exp.Arguments[0])})";
@@ -299,8 +299,8 @@ namespace FreeSql.Oracle {
 			}
 			throw new Exception($"OracleExpression 未实现函数表达式 {exp} 解析");
 		}
-		internal override string ExpressionLambdaToSqlCallDateTime(MethodCallExpression exp, List<SelectTableInfo> _tables, List<SelectColumnInfo> _selectColumnMap, Func<Expression[], string> getSelectGroupingMapString, SelectTableInfoType tbtype, bool isQuoteName, bool isDisableDiyParse, ExpressionStyle style) {
+		internal override string ExpressionLambdaToSqlCallDateTime(MethodCallExpression exp, ExpTSC tsc) {
-			Func<Expression, string> getExp = exparg => ExpressionLambdaToSql(exparg, _tables, _selectColumnMap, getSelectGroupingMapString, tbtype, isQuoteName, isDisableDiyParse, style);
+			Func<Expression, string> getExp = exparg => ExpressionLambdaToSql(exparg, tsc);
 			if (exp.Object == null) {
 				switch (exp.Method.Name) {
 					case "Compare": return $"extract(day from ({getExp(exp.Arguments[0])}-({getExp(exp.Arguments[1])})))";
@@ -342,8 +342,8 @@ namespace FreeSql.Oracle {
 			}
 			throw new Exception($"OracleExpression 未实现函数表达式 {exp} 解析");
 		}
-		internal override string ExpressionLambdaToSqlCallTimeSpan(MethodCallExpression exp, List<SelectTableInfo> _tables, List<SelectColumnInfo> _selectColumnMap, Func<Expression[], string> getSelectGroupingMapString, SelectTableInfoType tbtype, bool isQuoteName, bool isDisableDiyParse, ExpressionStyle style) {
+		internal override string ExpressionLambdaToSqlCallTimeSpan(MethodCallExpression exp, ExpTSC tsc) {
-			Func<Expression, string> getExp = exparg => ExpressionLambdaToSql(exparg, _tables, _selectColumnMap, getSelectGroupingMapString, tbtype, isQuoteName, isDisableDiyParse, style);
+			Func<Expression, string> getExp = exparg => ExpressionLambdaToSql(exparg, tsc);
 			if (exp.Object == null) {
 				switch (exp.Method.Name) {
 					case "Compare": return $"extract(day from ({getExp(exp.Arguments[0])}-({getExp(exp.Arguments[1])})))";
@@ -372,8 +372,8 @@ namespace FreeSql.Oracle {
 			}
 			throw new Exception($"OracleExpression 未实现函数表达式 {exp} 解析");
 		}
-		internal override string ExpressionLambdaToSqlCallConvert(MethodCallExpression exp, List<SelectTableInfo> _tables, List<SelectColumnInfo> _selectColumnMap, Func<Expression[], string> getSelectGroupingMapString, SelectTableInfoType tbtype, bool isQuoteName, bool isDisableDiyParse, ExpressionStyle style) {
+		internal override string ExpressionLambdaToSqlCallConvert(MethodCallExpression exp, ExpTSC tsc) {
-			Func<Expression, string> getExp = exparg => ExpressionLambdaToSql(exparg, _tables, _selectColumnMap, getSelectGroupingMapString, tbtype, isQuoteName, isDisableDiyParse, style);
+			Func<Expression, string> getExp = exparg => ExpressionLambdaToSql(exparg, tsc);
 			if (exp.Object == null) {
 				switch (exp.Method.Name) {
 					//case "ToBoolean": return $"({getExp(exp.Arguments[0])} not in ('0','false'))";

FreeSql/Oracle/OracleUtils.cs

@@ -44,6 +44,12 @@ namespace FreeSql.Oracle {
 				return nametrim; //原生SQL
 			return $"\"{nametrim.Trim('"').Replace(".", "\".\"")}\"";
 		}
+		internal override string TrimQuoteSqlName(string name) {
+			var nametrim = name.Trim();
+			if (nametrim.StartsWith("(") && nametrim.EndsWith(")"))
+				return nametrim; //原生SQL
+			return $"{nametrim.Trim('"').Replace("\".\"", ".").Replace(".\"", ".")}";
+		}
 		internal override string QuoteParamterName(string name) => $":{(_orm.CodeFirst.IsSyncStructureToLower ? name.ToLower() : name)}";
 		internal override string IsNull(string sql, object value) => $"nvl({sql}, {value})";
 		internal override string StringConcat(string[] objs, Type[] types) => $"{string.Join(" || ", objs)}";

FreeSql/PostgreSQL/Curd/PostgreSQLDelete.cs

@@ -21,7 +21,7 @@ namespace FreeSql.PostgreSQL.Curd {
 			var colidx = 0;
 			foreach (var col in _table.Columns.Values) {
 				if (colidx > 0) sb.Append(", ");
-				sb.Append(_commonUtils.QuoteReadColumn(col.CsType, _commonUtils.QuoteSqlName(col.Attribute.Name))).Append(" as ").Append(_commonUtils.QuoteSqlName(col.CsName));
+				sb.Append(_commonUtils.QuoteReadColumn(col.Attribute.MapType, _commonUtils.QuoteSqlName(col.Attribute.Name))).Append(" as ").Append(_commonUtils.QuoteSqlName(col.CsName));
 				++colidx;
 			}
 			var ret = _orm.Ado.Query<T1>(_connection, _transaction, CommandType.Text, sb.ToString(), _params.ToArray());
@@ -38,7 +38,7 @@ namespace FreeSql.PostgreSQL.Curd {
 			var colidx = 0;
 			foreach (var col in _table.Columns.Values) {
 				if (colidx > 0) sb.Append(", ");
-				sb.Append(_commonUtils.QuoteReadColumn(col.CsType, _commonUtils.QuoteSqlName(col.Attribute.Name))).Append(" as ").Append(_commonUtils.QuoteSqlName(col.CsName));
+				sb.Append(_commonUtils.QuoteReadColumn(col.Attribute.MapType, _commonUtils.QuoteSqlName(col.Attribute.Name))).Append(" as ").Append(_commonUtils.QuoteSqlName(col.CsName));
 				++colidx;
 			}
 			var ret = await _orm.Ado.QueryAsync<T1>(_connection, _transaction, CommandType.Text, sb.ToString(), _params.ToArray());

FreeSql/PostgreSQL/Curd/PostgreSQLInsert.cs

@@ -53,7 +53,7 @@ namespace FreeSql.PostgreSQL.Curd {
 			var colidx = 0;
 			foreach (var col in _table.Columns.Values) {
 				if (colidx > 0) sb.Append(", ");
-				sb.Append(_commonUtils.QuoteReadColumn(col.CsType, _commonUtils.QuoteSqlName(col.Attribute.Name))).Append(" as ").Append(_commonUtils.QuoteSqlName(col.CsName));
+				sb.Append(_commonUtils.QuoteReadColumn(col.Attribute.MapType, _commonUtils.QuoteSqlName(col.Attribute.Name))).Append(" as ").Append(_commonUtils.QuoteSqlName(col.CsName));
 				++colidx;
 			}
 			return _orm.Ado.Query<T1>(_connection, _transaction, CommandType.Text, sb.ToString(), _params);
@@ -68,7 +68,7 @@ namespace FreeSql.PostgreSQL.Curd {
 			var colidx = 0;
 			foreach (var col in _table.Columns.Values) {
 				if (colidx > 0) sb.Append(", ");
-				sb.Append(_commonUtils.QuoteReadColumn(col.CsType, _commonUtils.QuoteSqlName(col.Attribute.Name))).Append(" as ").Append(_commonUtils.QuoteSqlName(col.CsName));
+				sb.Append(_commonUtils.QuoteReadColumn(col.Attribute.MapType, _commonUtils.QuoteSqlName(col.Attribute.Name))).Append(" as ").Append(_commonUtils.QuoteSqlName(col.CsName));
 				++colidx;
 			}
 			return await _orm.Ado.QueryAsync<T1>(_connection, _transaction, CommandType.Text, sb.ToString(), _params);

FreeSql/PostgreSQL/Curd/PostgreSQLUpdate.cs

@@ -30,7 +30,7 @@ namespace FreeSql.PostgreSQL.Curd {
 			var colidx = 0;
 			foreach (var col in _table.Columns.Values) {
 				if (colidx > 0) sb.Append(", ");
-				sb.Append(_commonUtils.QuoteReadColumn(col.CsType, _commonUtils.QuoteSqlName(col.Attribute.Name))).Append(" as ").Append(_commonUtils.QuoteSqlName(col.CsName));
+				sb.Append(_commonUtils.QuoteReadColumn(col.Attribute.MapType, _commonUtils.QuoteSqlName(col.Attribute.Name))).Append(" as ").Append(_commonUtils.QuoteSqlName(col.CsName));
 				++colidx;
 			}
 			var ret = _orm.Ado.Query<T1>(_connection, _transaction, CommandType.Text, sb.ToString(), _params.Concat(_paramsSource).ToArray());
@@ -47,7 +47,7 @@ namespace FreeSql.PostgreSQL.Curd {
 			var colidx = 0;
 			foreach (var col in _table.Columns.Values) {
 				if (colidx > 0) sb.Append(", ");
-				sb.Append(_commonUtils.QuoteReadColumn(col.CsType, _commonUtils.QuoteSqlName(col.Attribute.Name))).Append(" as ").Append(_commonUtils.QuoteSqlName(col.CsName));
+				sb.Append(_commonUtils.QuoteReadColumn(col.Attribute.MapType, _commonUtils.QuoteSqlName(col.Attribute.Name))).Append(" as ").Append(_commonUtils.QuoteSqlName(col.CsName));
 				++colidx;
 			}
 			var ret = await _orm.Ado.QueryAsync<T1>(_connection, _transaction, CommandType.Text, sb.ToString(), _params.Concat(_paramsSource).ToArray());
@@ -57,14 +57,14 @@ namespace FreeSql.PostgreSQL.Curd {
 
 		protected override void ToSqlCase(StringBuilder caseWhen, ColumnInfo[] primarys) {
 			if (_table.Primarys.Length == 1) {
-				caseWhen.Append(_commonUtils.QuoteReadColumn(_table.Primarys.First().CsType, _commonUtils.QuoteSqlName(_table.Primarys.First().Attribute.Name)));
+				caseWhen.Append(_commonUtils.QuoteReadColumn(_table.Primarys.First().Attribute.MapType, _commonUtils.QuoteSqlName(_table.Primarys.First().Attribute.Name)));
 				return;
 			}
 			caseWhen.Append("(");
 			var pkidx = 0;
 			foreach (var pk in _table.Primarys) {
 				if (pkidx > 0) caseWhen.Append(" || ");
-				caseWhen.Append(_commonUtils.QuoteReadColumn(_table.Primarys.First().CsType, _commonUtils.QuoteSqlName(pk.Attribute.Name))).Append("::varchar");
+				caseWhen.Append(_commonUtils.QuoteReadColumn(pk.Attribute.MapType, _commonUtils.QuoteSqlName(pk.Attribute.Name))).Append("::varchar");
 				++pkidx;
 			}
 			caseWhen.Append(")");
@@ -72,14 +72,14 @@ namespace FreeSql.PostgreSQL.Curd {
 
 		protected override void ToSqlWhen(StringBuilder sb, ColumnInfo[] primarys, object d) {
 			if (_table.Primarys.Length == 1) {
-				sb.Append(_commonUtils.FormatSql("{0}", _table.Properties.TryGetValue(_table.Primarys.First().CsName, out var tryp2) ? tryp2.GetValue(d) : null));
+				sb.Append(_commonUtils.FormatSql("{0}", _table.Primarys.First().GetMapValue(d)));
 				return;
 			}
 			sb.Append("(");
 			var pkidx = 0;
 			foreach (var pk in _table.Primarys) {
 				if (pkidx > 0) sb.Append(" || ");
-				sb.Append(_commonUtils.FormatSql("{0}", _table.Properties.TryGetValue(pk.CsName, out var tryp2) ? tryp2.GetValue(d) : null)).Append("::varchar");
+				sb.Append(_commonUtils.FormatSql("{0}", pk.GetMapValue(d))).Append("::varchar");
 				++pkidx;
 			}
 			sb.Append(")");

FreeSql/PostgreSQL/PostgreSQLAdo/PostgreSQLAdo.cs

@@ -26,9 +26,11 @@ namespace FreeSql.PostgreSQL {
 		}
 
 		static DateTime dt1970 = new DateTime(1970, 1, 1);
-		public override object AddslashesProcessParam(object param) {
+		public override object AddslashesProcessParam(object param, Type mapType) {
-			bool isdic = false;
 			if (param == null) return "NULL";
+			if (mapType != null && mapType != param.GetType())
+				param = Utils.GetDataReaderValue(mapType, param);
+			bool isdic = false;
 			if (param is bool || param is bool?)
 				return (bool)param ? "'t'" : "'f'";
 			else if (param is string || param is char)
@@ -57,12 +59,10 @@ namespace FreeSql.PostgreSQL {
 			} else if (param is IEnumerable) {
 				var sb = new StringBuilder();
 				var ie = param as IEnumerable;
-				foreach (var z in ie) sb.Append(",").Append(AddslashesProcessParam(z));
+				foreach (var z in ie) sb.Append(",").Append(AddslashesProcessParam(z, mapType));
 				return sb.Length == 0 ? "(NULL)" : sb.Remove(0, 1).Insert(0, "(").Append(")").ToString();
-			}else {
-				return string.Concat("'", param.ToString().Replace("'", "''"), "'");
-				//if (param is string) return string.Concat('N', nparms[a]);
 			}
+			return string.Concat("'", param.ToString().Replace("'", "''"), "'");
 		}
 
 		protected override DbCommand CreateCommand() {

FreeSql/PostgreSQL/PostgreSQLCodeFirst.cs

@@ -155,13 +155,17 @@ namespace FreeSql.PostgreSQL {
 							sb.Append(" \r\n  ").Append(_commonUtils.QuoteSqlName(tbcol.Attribute.Name)).Append(" ").Append(tbcol.Attribute.DbType).Append(",");
 							if (tbcol.Attribute.IsIdentity == true) seqcols.Add((tbcol, tbname, true));
 						}
-						if (tb.Primarys.Any() == false)
+						if (tb.Primarys.Any()) {
-							sb.Remove(sb.Length - 1, 1);
-						else {
 							sb.Append(" \r\n  CONSTRAINT ").Append(tbname[0]).Append("_").Append(tbname[1]).Append("_pkey PRIMARY KEY (");
 							foreach (var tbcol in tb.Primarys) sb.Append(_commonUtils.QuoteSqlName(tbcol.Attribute.Name)).Append(", ");
-							sb.Remove(sb.Length - 2, 2).Append(")");
+							sb.Remove(sb.Length - 2, 2).Append("),");
 						}
+						foreach (var uk in tb.Uniques) {
+							sb.Append(" \r\n  CONSTRAINT ").Append(_commonUtils.QuoteSqlName(uk.Key)).Append(" UNIQUE(");
+							foreach (var tbcol in uk.Value) sb.Append(_commonUtils.QuoteSqlName(tbcol.Attribute.Name)).Append(", ");
+							sb.Remove(sb.Length - 2, 2).Append("),");
+						}
+						sb.Remove(sb.Length - 1, 1);
 						sb.Append("\r\n) WITH (OIDS=FALSE);\r\n");
 						continue;
 					}
@@ -241,6 +245,27 @@ where ns.nspname = {0} and c.relname = {1}".FormatPostgreSQL(tboldname ?? tbname
 						if (tbcol.Attribute.IsNullable == false) sbalter.Append("ALTER TABLE ").Append(_commonUtils.QuoteSqlName($"{tbname[0]}.{tbname[1]}")).Append(" ALTER COLUMN ").Append(_commonUtils.QuoteSqlName(tbcol.Attribute.Name)).Append(" SET NOT NULL;\r\n");
 						if (tbcol.Attribute.IsIdentity == true) seqcols.Add((tbcol, tbname, tbcol.Attribute.IsIdentity == true));
 					}
+					var dsuksql = @"
+select
+c.attname,
+b.relname
+from pg_index a
+inner join pg_class b on b.oid = a.indexrelid
+inner join pg_attribute c on c.attnum > 0 and c.attrelid = b.oid
+inner join pg_namespace ns on ns.oid = b.relnamespace
+inner join pg_class d on d.oid = a.indrelid
+where ns.nspname in ({0}) and d.relname in ({1}) and a.indisunique = 't'".FormatMySql(tboldname ?? tbname);
+					var dsuk = _orm.Ado.ExecuteArray(CommandType.Text, dsuksql).Select(a => new[] { string.Concat(a[0]), string.Concat(a[1]) });
+					foreach (var uk in tb.Uniques) {
+						if (string.IsNullOrEmpty(uk.Key) || uk.Value.Any() == false) continue;
+						var dsukfind1 = dsuk.Where(a => string.Compare(a[1], uk.Key, true) == 0).ToArray();
+						if (dsukfind1.Any() == false || dsukfind1.Length != uk.Value.Count || dsukfind1.Where(a => uk.Value.Where(b => string.Compare(b.Attribute.Name, a[0], true) == 0).Any()).Count() != uk.Value.Count) {
+							if (dsukfind1.Any()) sbalter.Append("ALTER TABLE ").Append(_commonUtils.QuoteSqlName($"{tbname[0]}.{tbname[1]}")).Append(" DROP CONSTRAINT ").Append(_commonUtils.QuoteSqlName(uk.Key)).Append(";\r\n");
+							sbalter.Append("ALTER TABLE ").Append(_commonUtils.QuoteSqlName($"{tbname[0]}.{tbname[1]}")).Append(" ADD CONSTRAINT ").Append(_commonUtils.QuoteSqlName(uk.Key)).Append(" UNIQUE(");
+							foreach (var tbcol in uk.Value) sbalter.Append(_commonUtils.QuoteSqlName(tbcol.Attribute.Name)).Append(", ");
+							sbalter.Remove(sbalter.Length - 2, 2).Append(");\r\n");
+						}
+					}
 				}
 				if (istmpatler == false) {
 					sb.Append(sbalter);
@@ -263,13 +288,17 @@ where pg_namespace.nspname={0} and pg_class.relname={1} and pg_constraint.contyp
 					sb.Append(" \r\n  ").Append(_commonUtils.QuoteSqlName(tbcol.Attribute.Name)).Append(" ").Append(tbcol.Attribute.DbType).Append(",");
 					if (tbcol.Attribute.IsIdentity == true) seqcols.Add((tbcol, tbname, true));
 				}
-				if (tb.Primarys.Any() == false)
+				if (tb.Primarys.Any()) {
-					sb.Remove(sb.Length - 1, 1);
-				else {
 					sb.Append(" \r\n  CONSTRAINT ").Append(tbname[0]).Append("_").Append(tbname[1]).Append("_pkey PRIMARY KEY (");
 					foreach (var tbcol in tb.Primarys) sb.Append(_commonUtils.QuoteSqlName(tbcol.Attribute.Name)).Append(", ");
-					sb.Remove(sb.Length - 2, 2).Append(")");
+					sb.Remove(sb.Length - 2, 2).Append("),");
 				}
+				foreach (var uk in tb.Uniques) {
+					sb.Append(" \r\n  CONSTRAINT ").Append(_commonUtils.QuoteSqlName(uk.Key)).Append(" UNIQUE(");
+					foreach (var tbcol in uk.Value) sb.Append(_commonUtils.QuoteSqlName(tbcol.Attribute.Name)).Append(", ");
+					sb.Remove(sb.Length - 2, 2).Append("),");
+				}
+				sb.Remove(sb.Length - 1, 1);
 				sb.Append("\r\n) WITH (OIDS=FALSE);\r\n");
 				sb.Append("INSERT INTO ").Append(tmptablename).Append(" (");
 				foreach (var tbcol in tb.Columns.Values)

FreeSql/PostgreSQL/PostgreSQLDbFirst.cs

@@ -343,7 +343,7 @@ where ns.nspname || '.' || c.relname in ({loc8})";
 select
 ns.nspname || '.' || d.relname as table_id, 
 c.attname,
-ns.nspname || '/' || d.relname || '/' || b.relname as index_id,
+b.relname as index_id,
 case when a.indisunique then 1 else 0 end IsUnique,
 case when a.indisprimary then 1 else 0 end IsPrimary,
 case when a.indisclustered then 0 else 1 end IsClustered,
@@ -390,7 +390,7 @@ where ns.nspname || '.' || d.relname in ({loc8})
 					if (!loc10.TryGetValue(index_id, out loc11))
 						loc10.Add(index_id, loc11 = new List<DbColumnInfo>());
 					loc11.Add(loc9);
-					if (is_unique) {
+					if (is_unique && !is_primary_key) {
 						if (!uniqueColumns.TryGetValue(object_id, out loc10))
 							uniqueColumns.Add(object_id, loc10 = new Dictionary<string, List<DbColumnInfo>>());
 						if (!loc10.TryGetValue(index_id, out loc11))
@@ -399,13 +399,13 @@ where ns.nspname || '.' || d.relname in ({loc8})
 					}
 				}
 				foreach (var object_id in indexColumns.Keys) {
-					foreach (List<DbColumnInfo> columns in indexColumns[object_id].Values)
+					foreach (var column in indexColumns[object_id])
-						loc2[object_id].Indexes.Add(columns);
+						loc2[object_id].IndexesDict.Add(column.Key, column.Value);
 				}
 				foreach (var object_id in uniqueColumns.Keys) {
-					foreach (var columns in uniqueColumns[object_id].Values) {
+					foreach (var column in uniqueColumns[object_id]) {
-						columns.Sort((c1, c2) => c1.Name.CompareTo(c2.Name));
+						column.Value.Sort((c1, c2) => c1.Name.CompareTo(c2.Name));
-						loc2[object_id].Uniques.Add(columns);
+						loc2[object_id].UniquesDict.Add(column.Key, column.Value);
 					}
 				}
 
@@ -413,7 +413,7 @@ where ns.nspname || '.' || d.relname in ({loc8})
 select
 ns.nspname || '.' || b.relname as table_id, 
 array(select attname from pg_attribute where attrelid = a.conrelid and attnum = any(a.conkey)) as column_name,
-a.connamespace || '/' || a.conname as FKId,
+a.conname as FKId,
 ns2.nspname || '.' || c.relname as ref_table_id, 
 1 as IsForeignKey,
 array(select attname from pg_attribute where attrelid = a.confrelid and attnum = any(a.confkey)) as ref_column,
@@ -455,8 +455,8 @@ where ns.nspname || '.' || b.relname in ({loc8})
 					}
 				}
 				foreach (var table_id in fkColumns.Keys)
-					foreach (var fk in fkColumns[table_id].Values)
+					foreach (var fk in fkColumns[table_id])
-						loc2[table_id].Foreigns.Add(fk);
+						loc2[table_id].ForeignsDict.Add(fk.Key, fk.Value);
 
 				foreach (var table_id in loc3.Keys) {
 					foreach (var loc5 in loc3[table_id].Values) {
@@ -466,8 +466,8 @@ where ns.nspname || '.' || b.relname in ({loc8})
 					}
 				}
 				foreach (var loc4 in loc2.Values) {
-					if (loc4.Primarys.Count == 0 && loc4.Uniques.Count > 0) {
+					if (loc4.Primarys.Count == 0 && loc4.UniquesDict.Count > 0) {
-						foreach (var loc5 in loc4.Uniques[0]) {
+						foreach (var loc5 in loc4.UniquesDict.First().Value) {
 							loc5.IsPrimary = true;
 							loc4.Primarys.Add(loc5);
 						}
@@ -476,8 +476,8 @@ where ns.nspname || '.' || b.relname in ({loc8})
 					loc4.Columns.Sort((c1, c2) => {
 						int compare = c2.IsPrimary.CompareTo(c1.IsPrimary);
 						if (compare == 0) {
-							bool b1 = loc4.Foreigns.Find(fk => fk.Columns.Find(c3 => c3.Name == c1.Name) != null) != null;
+							bool b1 = loc4.ForeignsDict.Values.Where(fk => fk.Columns.Where(c3 => c3.Name == c1.Name).Any()).Any();
-							bool b2 = loc4.Foreigns.Find(fk => fk.Columns.Find(c3 => c3.Name == c2.Name) != null) != null;
+							bool b2 = loc4.ForeignsDict.Values.Where(fk => fk.Columns.Where(c3 => c3.Name == c2.Name).Any()).Any();
 							compare = b2.CompareTo(b1);
 						}
 						if (compare == 0) compare = c1.Name.CompareTo(c2.Name);
@@ -490,16 +490,6 @@ where ns.nspname || '.' || b.relname in ({loc8})
 					if (ret == 0) ret = t1.Name.CompareTo(t2.Name);
 					return ret;
 				});
-				foreach (var loc4 in loc1) {
-					var dicUniques = new Dictionary<string, List<DbColumnInfo>>();
-					if (loc4.Primarys.Count > 0) dicUniques.Add(string.Join(",", loc4.Primarys.Select(a => a.Name)), loc4.Primarys);
-					foreach (var loc5 in loc4.Uniques) {
-						var dickey = string.Join(",", loc5.Select(a => a.Name));
-						if (dicUniques.ContainsKey(dickey)) continue;
-						dicUniques.Add(dickey, loc5);
-					}
-					loc4.Uniques = dicUniques.Values.ToList();
-				}
 
 				loc2.Clear();
 				loc3.Clear();

FreeSql/PostgreSQL/PostgreSQLExpression.cs

@@ -13,8 +13,8 @@ namespace FreeSql.PostgreSQL {
 
 		public PostgreSQLExpression(CommonUtils common) : base(common) { }
 
-		internal override string ExpressionLambdaToSqlOther(Expression exp, List<SelectTableInfo> _tables, List<SelectColumnInfo> _selectColumnMap, Func<Expression[], string> getSelectGroupingMapString, SelectTableInfoType tbtype, bool isQuoteName, bool isDisableDiyParse, ExpressionStyle style) {
+		internal override string ExpressionLambdaToSqlOther(Expression exp, ExpTSC tsc) {
-			Func<Expression, string> getExp = exparg => ExpressionLambdaToSql(exparg, _tables, _selectColumnMap, getSelectGroupingMapString, tbtype, isQuoteName, isDisableDiyParse, style);
+			Func<Expression, string> getExp = exparg => ExpressionLambdaToSql(exparg, tsc);
 			switch (exp.NodeType) {
 				case ExpressionType.Convert:
 					var operandExp = (exp as UnaryExpression)?.Operand;
@@ -105,7 +105,10 @@ namespace FreeSql.PostgreSQL {
 									case "Any": return $"(jsonb_array_length(coalesce({left},'[]')) > 0)";
 									case "Contains":
 										var json = getExp(callExp.Arguments[argIndex]);
-										if (json.StartsWith("'") && json.EndsWith("'")) return $"(coalesce({left},'{{}}') @> {_common.FormatSql("{0}", JToken.Parse(json.Trim('\'')))})";
+										if (objType == typeof(JArray))
+											return $"(coalesce({left},'[]') ? ({json})::varchar)";
+										if (json.StartsWith("'") && json.EndsWith("'"))
+											return $"(coalesce({left},'{{}}') @> {_common.FormatSql("{0}", JToken.Parse(json.Trim('\'')))})";
 										return $"(coalesce({left},'{{}}') @> ({json})::jsonb)";
 									case "ContainsKey": return $"(coalesce({left},'{{}}') ? {getExp(callExp.Arguments[argIndex])})";
 									case "Concat":
@@ -227,20 +230,20 @@ namespace FreeSql.PostgreSQL {
 			return null;
 		}
 
-		internal override string ExpressionLambdaToSqlMemberAccessString(MemberExpression exp, List<SelectTableInfo> _tables, List<SelectColumnInfo> _selectColumnMap, Func<Expression[], string> getSelectGroupingMapString, SelectTableInfoType tbtype, bool isQuoteName, bool isDisableDiyParse, ExpressionStyle style) {
+		internal override string ExpressionLambdaToSqlMemberAccessString(MemberExpression exp, ExpTSC tsc) {
 			if (exp.Expression == null) {
 				switch (exp.Member.Name) {
 					case "Empty": return "''";
 				}
 				return null;
 			}
-			var left = ExpressionLambdaToSql(exp.Expression, _tables, _selectColumnMap, getSelectGroupingMapString, tbtype, isQuoteName, isDisableDiyParse, style);
+			var left = ExpressionLambdaToSql(exp.Expression, tsc);
 			switch (exp.Member.Name) {
 				case "Length": return $"char_length({left})";
 			}
 			return null;
 		}
-		internal override string ExpressionLambdaToSqlMemberAccessDateTime(MemberExpression exp, List<SelectTableInfo> _tables, List<SelectColumnInfo> _selectColumnMap, Func<Expression[], string> getSelectGroupingMapString, SelectTableInfoType tbtype, bool isQuoteName, bool isDisableDiyParse, ExpressionStyle style) {
+		internal override string ExpressionLambdaToSqlMemberAccessDateTime(MemberExpression exp, ExpTSC tsc) {
 			if (exp.Expression == null) {
 				switch (exp.Member.Name) {
 					case "Now": return "current_timestamp";
@@ -251,7 +254,7 @@ namespace FreeSql.PostgreSQL {
 				}
 				return null;
 			}
-			var left = ExpressionLambdaToSql(exp.Expression, _tables, _selectColumnMap, getSelectGroupingMapString, tbtype, isQuoteName, isDisableDiyParse, style);
+			var left = ExpressionLambdaToSql(exp.Expression, tsc);
 			switch (exp.Member.Name) {
 				case "Date": return $"({left})::date";
 				case "TimeOfDay": return $"(extract(epoch from ({left})::time)*1000000)";
@@ -268,7 +271,7 @@ namespace FreeSql.PostgreSQL {
 			}
 			return null;
 		}
-		internal override string ExpressionLambdaToSqlMemberAccessTimeSpan(MemberExpression exp, List<SelectTableInfo> _tables, List<SelectColumnInfo> _selectColumnMap, Func<Expression[], string> getSelectGroupingMapString, SelectTableInfoType tbtype, bool isQuoteName, bool isDisableDiyParse, ExpressionStyle style) {
+		internal override string ExpressionLambdaToSqlMemberAccessTimeSpan(MemberExpression exp, ExpTSC tsc) {
 			if (exp.Expression == null) {
 				switch (exp.Member.Name) {
 					case "Zero": return "0";
@@ -277,7 +280,7 @@ namespace FreeSql.PostgreSQL {
 				}
 				return null;
 			}
-			var left = ExpressionLambdaToSql(exp.Expression, _tables, _selectColumnMap, getSelectGroupingMapString, tbtype, isQuoteName, isDisableDiyParse, style);
+			var left = ExpressionLambdaToSql(exp.Expression, tsc);
 			switch (exp.Member.Name) {
 				case "Days": return $"floor(({left})/{(long)1000000 * 60 * 60 * 24})";
 				case "Hours": return $"floor(({left})/{(long)1000000 * 60 * 60}%24)";
@@ -294,8 +297,8 @@ namespace FreeSql.PostgreSQL {
 			return null;
 		}
 
-		internal override string ExpressionLambdaToSqlCallString(MethodCallExpression exp, List<SelectTableInfo> _tables, List<SelectColumnInfo> _selectColumnMap, Func<Expression[], string> getSelectGroupingMapString, SelectTableInfoType tbtype, bool isQuoteName, bool isDisableDiyParse, ExpressionStyle style) {
+		internal override string ExpressionLambdaToSqlCallString(MethodCallExpression exp, ExpTSC tsc) {
-			Func<Expression, string> getExp = exparg => ExpressionLambdaToSql(exparg, _tables, _selectColumnMap, getSelectGroupingMapString, tbtype, isQuoteName, isDisableDiyParse, style);
+			Func<Expression, string> getExp = exparg => ExpressionLambdaToSql(exparg, tsc);
 			if (exp.Object == null) {
 				switch (exp.Method.Name) {
 					case "IsNullOrEmpty":
@@ -369,8 +372,8 @@ namespace FreeSql.PostgreSQL {
 			}
 			throw new Exception($"PostgreSQLExpression 未实现函数表达式 {exp} 解析");
 		}
-		internal override string ExpressionLambdaToSqlCallMath(MethodCallExpression exp, List<SelectTableInfo> _tables, List<SelectColumnInfo> _selectColumnMap, Func<Expression[], string> getSelectGroupingMapString, SelectTableInfoType tbtype, bool isQuoteName, bool isDisableDiyParse, ExpressionStyle style) {
+		internal override string ExpressionLambdaToSqlCallMath(MethodCallExpression exp, ExpTSC tsc) {
-			Func<Expression, string> getExp = exparg => ExpressionLambdaToSql(exparg, _tables, _selectColumnMap, getSelectGroupingMapString, tbtype, isQuoteName, isDisableDiyParse, style);
+			Func<Expression, string> getExp = exparg => ExpressionLambdaToSql(exparg, tsc);
 			switch (exp.Method.Name) {
 				case "Abs": return $"abs({getExp(exp.Arguments[0])})";
 				case "Sign": return $"sign({getExp(exp.Arguments[0])})";
@@ -395,8 +398,8 @@ namespace FreeSql.PostgreSQL {
 			}
 			throw new Exception($"PostgreSQLExpression 未实现函数表达式 {exp} 解析");
 		}
-		internal override string ExpressionLambdaToSqlCallDateTime(MethodCallExpression exp, List<SelectTableInfo> _tables, List<SelectColumnInfo> _selectColumnMap, Func<Expression[], string> getSelectGroupingMapString, SelectTableInfoType tbtype, bool isQuoteName, bool isDisableDiyParse, ExpressionStyle style) {
+		internal override string ExpressionLambdaToSqlCallDateTime(MethodCallExpression exp, ExpTSC tsc) {
-			Func<Expression, string> getExp = exparg => ExpressionLambdaToSql(exparg, _tables, _selectColumnMap, getSelectGroupingMapString, tbtype, isQuoteName, isDisableDiyParse, style);
+			Func<Expression, string> getExp = exparg => ExpressionLambdaToSql(exparg, tsc);
 			if (exp.Object == null) {
 				switch (exp.Method.Name) {
 					case "Compare": return $"extract(epoch from ({getExp(exp.Arguments[0])})::timestamp-({getExp(exp.Arguments[1])})::timestamp)";
@@ -438,8 +441,8 @@ namespace FreeSql.PostgreSQL {
 			}
 			throw new Exception($"PostgreSQLExpression 未实现函数表达式 {exp} 解析");
 		}
-		internal override string ExpressionLambdaToSqlCallTimeSpan(MethodCallExpression exp, List<SelectTableInfo> _tables, List<SelectColumnInfo> _selectColumnMap, Func<Expression[], string> getSelectGroupingMapString, SelectTableInfoType tbtype, bool isQuoteName, bool isDisableDiyParse, ExpressionStyle style) {
+		internal override string ExpressionLambdaToSqlCallTimeSpan(MethodCallExpression exp, ExpTSC tsc) {
-			Func<Expression, string> getExp = exparg => ExpressionLambdaToSql(exparg, _tables, _selectColumnMap, getSelectGroupingMapString, tbtype, isQuoteName, isDisableDiyParse, style);
+			Func<Expression, string> getExp = exparg => ExpressionLambdaToSql(exparg, tsc);
 			if (exp.Object == null) {
 				switch (exp.Method.Name) {
 					case "Compare": return $"({getExp(exp.Arguments[0])}-({getExp(exp.Arguments[1])}))";
@@ -468,8 +471,8 @@ namespace FreeSql.PostgreSQL {
 			}
 			throw new Exception($"PostgreSQLExpression 未实现函数表达式 {exp} 解析");
 		}
-		internal override string ExpressionLambdaToSqlCallConvert(MethodCallExpression exp, List<SelectTableInfo> _tables, List<SelectColumnInfo> _selectColumnMap, Func<Expression[], string> getSelectGroupingMapString, SelectTableInfoType tbtype, bool isQuoteName, bool isDisableDiyParse, ExpressionStyle style) {
+		internal override string ExpressionLambdaToSqlCallConvert(MethodCallExpression exp, ExpTSC tsc) {
-			Func<Expression, string> getExp = exparg => ExpressionLambdaToSql(exparg, _tables, _selectColumnMap, getSelectGroupingMapString, tbtype, isQuoteName, isDisableDiyParse, style);
+			Func<Expression, string> getExp = exparg => ExpressionLambdaToSql(exparg, tsc);
 			if (exp.Object == null) {
 				switch (exp.Method.Name) {
 					case "ToBoolean": return $"(({getExp(exp.Arguments[0])})::varchar not in ('0','false','f','no'))";

FreeSql/PostgreSQL/PostgreSQLUtils.cs

@@ -103,6 +103,12 @@ namespace FreeSql.PostgreSQL {
 				return nametrim; //原生SQL
 			return $"\"{nametrim.Trim('"').Replace(".", "\".\"")}\"";
 		}
+		internal override string TrimQuoteSqlName(string name) {
+			var nametrim = name.Trim();
+			if (nametrim.StartsWith("(") && nametrim.EndsWith(")"))
+				return nametrim; //原生SQL
+			return $"{nametrim.Trim('"').Replace("\".\"", ".").Replace(".\"", ".")}";
+		}
 		internal override string QuoteParamterName(string name) => $"@{(_orm.CodeFirst.IsSyncStructureToLower ? name.ToLower() : name)}";
 		internal override string IsNull(string sql, object value) => $"coalesce({sql}, {value})";
 		internal override string StringConcat(string[] objs, Type[] types) => $"{string.Join(" || ", objs)}";

FreeSql/SqlServer/Curd/SqlServerDelete.cs

@@ -21,7 +21,7 @@ namespace FreeSql.SqlServer.Curd {
 			var colidx = 0;
 			foreach (var col in _table.Columns.Values) {
 				if (colidx > 0) sb.Append(", ");
-				sb.Append("DELETED.").Append(_commonUtils.QuoteReadColumn(col.CsType, _commonUtils.QuoteSqlName(col.Attribute.Name))).Append(" as ").Append(_commonUtils.QuoteSqlName(col.CsName));
+				sb.Append("DELETED.").Append(_commonUtils.QuoteReadColumn(col.Attribute.MapType, _commonUtils.QuoteSqlName(col.Attribute.Name))).Append(" as ").Append(_commonUtils.QuoteSqlName(col.CsName));
 				++colidx;
 			}
 
@@ -43,7 +43,7 @@ namespace FreeSql.SqlServer.Curd {
 			var colidx = 0;
 			foreach (var col in _table.Columns.Values) {
 				if (colidx > 0) sb.Append(", ");
-				sb.Append("DELETED.").Append(_commonUtils.QuoteReadColumn(col.CsType, _commonUtils.QuoteSqlName(col.Attribute.Name))).Append(" as ").Append(_commonUtils.QuoteSqlName(col.CsName));
+				sb.Append("DELETED.").Append(_commonUtils.QuoteReadColumn(col.Attribute.MapType, _commonUtils.QuoteSqlName(col.Attribute.Name))).Append(" as ").Append(_commonUtils.QuoteSqlName(col.CsName));
 				++colidx;
 			}
 

FreeSql/SqlServer/Curd/SqlServerInsert.cs

@@ -44,7 +44,7 @@ namespace FreeSql.SqlServer.Curd {
 			var colidx = 0;
 			foreach (var col in _table.Columns.Values) {
 				if (colidx > 0) sb.Append(", ");
-				sb.Append(_commonUtils.QuoteReadColumn(col.CsType, $"INSERTED.{_commonUtils.QuoteSqlName(col.Attribute.Name)}")).Append(" as ").Append(_commonUtils.QuoteSqlName(col.CsName));
+				sb.Append(_commonUtils.QuoteReadColumn(col.Attribute.MapType, $"INSERTED.{_commonUtils.QuoteSqlName(col.Attribute.Name)}")).Append(" as ").Append(_commonUtils.QuoteSqlName(col.CsName));
 				++colidx;
 			}
 
@@ -64,7 +64,7 @@ namespace FreeSql.SqlServer.Curd {
 			var colidx = 0;
 			foreach (var col in _table.Columns.Values) {
 				if (colidx > 0) sb.Append(", ");
-				sb.Append(_commonUtils.QuoteReadColumn(col.CsType, $"INSERTED.{_commonUtils.QuoteSqlName(col.Attribute.Name)}")).Append(" as ").Append(_commonUtils.QuoteSqlName(col.CsName));
+				sb.Append(_commonUtils.QuoteReadColumn(col.Attribute.MapType, $"INSERTED.{_commonUtils.QuoteSqlName(col.Attribute.Name)}")).Append(" as ").Append(_commonUtils.QuoteSqlName(col.CsName));
 				++colidx;
 			}
 

FreeSql/SqlServer/Curd/SqlServerUpdate.cs

@@ -30,7 +30,7 @@ namespace FreeSql.SqlServer.Curd {
 			var colidx = 0;
 			foreach (var col in _table.Columns.Values) {
 				if (colidx > 0) sb.Append(", ");
-				sb.Append(_commonUtils.QuoteReadColumn(col.CsType, $"INSERTED.{_commonUtils.QuoteSqlName(col.Attribute.Name)}")).Append(" as ").Append(_commonUtils.QuoteSqlName(col.CsName));
+				sb.Append(_commonUtils.QuoteReadColumn(col.Attribute.MapType, $"INSERTED.{_commonUtils.QuoteSqlName(col.Attribute.Name)}")).Append(" as ").Append(_commonUtils.QuoteSqlName(col.CsName));
 				++colidx;
 			}
 
@@ -52,7 +52,7 @@ namespace FreeSql.SqlServer.Curd {
 			var colidx = 0;
 			foreach (var col in _table.Columns.Values) {
 				if (colidx > 0) sb.Append(", ");
-				sb.Append(_commonUtils.QuoteReadColumn(col.CsType, $"INSERTED.{_commonUtils.QuoteSqlName(col.Attribute.Name)}")).Append(" as ").Append(_commonUtils.QuoteSqlName(col.CsName));
+				sb.Append(_commonUtils.QuoteReadColumn(col.Attribute.MapType, $"INSERTED.{_commonUtils.QuoteSqlName(col.Attribute.Name)}")).Append(" as ").Append(_commonUtils.QuoteSqlName(col.CsName));
 				++colidx;
 			}
 
@@ -68,14 +68,14 @@ namespace FreeSql.SqlServer.Curd {
 
 		protected override void ToSqlCase(StringBuilder caseWhen, ColumnInfo[] primarys) {
 			if (_table.Primarys.Length == 1) {
-				caseWhen.Append(_commonUtils.QuoteReadColumn(_table.Primarys.First().CsType, _commonUtils.QuoteSqlName(_table.Primarys.First().Attribute.Name)));
+				caseWhen.Append(_commonUtils.QuoteReadColumn(_table.Primarys.First().Attribute.MapType, _commonUtils.QuoteSqlName(_table.Primarys.First().Attribute.Name)));
 				return;
 			}
 			caseWhen.Append("(");
 			var pkidx = 0;
 			foreach (var pk in _table.Primarys) {
 				if (pkidx > 0) caseWhen.Append(", ");
-				caseWhen.Append("cast(").Append(_commonUtils.QuoteReadColumn(_table.Primarys.First().CsType, _commonUtils.QuoteSqlName(pk.Attribute.Name))).Append(" as varchar)");
+				caseWhen.Append("cast(").Append(_commonUtils.QuoteReadColumn(_table.Primarys.First().Attribute.MapType, _commonUtils.QuoteSqlName(pk.Attribute.Name))).Append(" as varchar)");
 				++pkidx;
 			}
 			caseWhen.Append(")");
@@ -83,13 +83,13 @@ namespace FreeSql.SqlServer.Curd {
 
 		protected override void ToSqlWhen(StringBuilder sb, ColumnInfo[] primarys, object d) {
 			if (_table.Primarys.Length == 1) {
-				sb.Append(_commonUtils.FormatSql("{0}", _table.Properties.TryGetValue(_table.Primarys.First().CsName, out var tryp2) ? tryp2.GetValue(d) : null));
+				sb.Append(_commonUtils.FormatSql("{0}", _table.Primarys.First().GetMapValue(d)));
 				return;
 			}
 			var pkidx = 0;
 			foreach (var pk in _table.Primarys) {
 				if (pkidx > 0) sb.Append(", ");
-				sb.Append("cast(").Append(_commonUtils.FormatSql("{0}", _table.Properties.TryGetValue(pk.CsName, out var tryp2) ? tryp2.GetValue(d) : null)).Append(" as varchar)");
+				sb.Append("cast(").Append(_commonUtils.FormatSql("{0}", pk.GetMapValue(d))).Append(" as varchar)");
 				++pkidx;
 			}
 		}

FreeSql/SqlServer/SqlServerAdo/SqlServerAdo.cs

@@ -23,8 +23,10 @@ namespace FreeSql.SqlServer {
 			}
 		}
 		static DateTime dt1970 = new DateTime(1970, 1, 1);
-		public override object AddslashesProcessParam(object param) {
+		public override object AddslashesProcessParam(object param, Type mapType) {
 			if (param == null) return "NULL";
+			if (mapType != null && mapType != param.GetType())
+				param = Utils.GetDataReaderValue(mapType, param);
 			if (param is bool || param is bool?)
 				return (bool)param ? 1 : 0;
 			else if (param is string || param is char)
@@ -39,18 +41,16 @@ namespace FreeSql.SqlServer {
 			} else if (param is DateTimeOffset || param is DateTimeOffset?) {
 				if (param.Equals(DateTimeOffset.MinValue) == true) param = new DateTimeOffset(new DateTime(1970, 1, 1), TimeSpan.Zero);
 				return string.Concat("'", ((DateTimeOffset)param).ToString("yyyy-MM-dd HH:mm:ss.fff zzzz"), "'");
-			}
+			} else if (param is TimeSpan || param is TimeSpan?)
-			else if (param is TimeSpan || param is TimeSpan?)
 				return ((TimeSpan)param).TotalSeconds;
 			else if (param is IEnumerable) {
 				var sb = new StringBuilder();
 				var ie = param as IEnumerable;
-				foreach (var z in ie) sb.Append(",").Append(AddslashesProcessParam(z));
+				foreach (var z in ie) sb.Append(",").Append(AddslashesProcessParam(z, mapType));
 				return sb.Length == 0 ? "(NULL)" : sb.Remove(0, 1).Insert(0, "(").Append(")").ToString();
-			} else {
-				return string.Concat("'", param.ToString().Replace("'", "''"), "'");
-				//if (param is string) return string.Concat('N', nparms[a]);
 			}
+			return string.Concat("'", param.ToString().Replace("'", "''"), "'");
+			//if (param is string) return string.Concat('N', nparms[a]);
 		}
 
 		protected override DbCommand CreateCommand() {

FreeSql/SqlServer/SqlServerCodeFirst.cs

@@ -139,13 +139,18 @@ namespace FreeSql.SqlServer {
 								}
 								sb.Append(",");
 							}
+							foreach (var uk in tb.Uniques) {
+								sb.Append(" \r\n  CONSTRAINT ").Append(_commonUtils.QuoteSqlName(uk.Key)).Append(" UNIQUE(");
+								foreach (var tbcol in uk.Value) sb.Append(_commonUtils.QuoteSqlName(tbcol.Attribute.Name)).Append(", ");
+								sb.Remove(sb.Length - 2, 2).Append("),");
+							}
 							sb.Remove(sb.Length - 1, 1).Append("\r\n);\r\n");
 							continue;
 						}
 						//如果新表，旧表在一个数据库和模式下，直接修改表名
 						if (string.Compare(tbname[0], tboldname[0], true) == 0 &&
 							string.Compare(tbname[1], tboldname[1], true) == 0)
-							sbalter.Append("use ").Append(_commonUtils.QuoteSqlName(tbname[0])).Append(_commonUtils.FormatSql(";\r\nEXEC sp_rename {0}, {1};\r\n", _commonUtils.QuoteSqlName($"{tboldname[0]}.{tboldname[1]}"), _commonUtils.QuoteSqlName(tbname[2])));
+							sbalter.Append("use ").Append(_commonUtils.QuoteSqlName(tbname[0])).Append(_commonUtils.FormatSql(";\r\nEXEC sp_rename {0}, {1};\r\n", _commonUtils.QuoteSqlName($"{tboldname[0]}.{tboldname[1]}.{tboldname[2]}"), tbname[2]));
 						else {
 							//如果新表，旧表不在一起，创建新表，导入数据，删除旧表
 							istmpatler = true;
@@ -207,9 +212,31 @@ use " + database, tboldname ?? tbname);
 							}
 							sbalter.Append(";\r\n");
 						}
+						var dsuksql = string.Format(@"
+use [{0}];
+select 
+c.name
+,d.name
+from sys.index_columns a
+inner join sys.indexes b on b.object_id = a.object_id and b.index_id = a.index_id
+left join sys.columns c on c.object_id = a.object_id and c.column_id = a.column_id
+left join sys.key_constraints d on d.parent_object_id = b.object_id and d.unique_index_id = b.index_id
+where a.object_id in (object_id(N'[{1}].[{2}]')) and b.is_unique = 1;
+use " + database, tboldname ?? tbname);
+						var dsuk = _orm.Ado.ExecuteArray(CommandType.Text, dsuksql).Select(a => new[] { string.Concat(a[0]), string.Concat(a[1]) });
+						foreach (var uk in tb.Uniques) {
+							if (string.IsNullOrEmpty(uk.Key) || uk.Value.Any() == false) continue;
+							var dsukfind1 = dsuk.Where(a => string.Compare(a[1], uk.Key, true) == 0).ToArray();
+							if (dsukfind1.Any() == false || dsukfind1.Length != uk.Value.Count || dsukfind1.Where(a => uk.Value.Where(b => string.Compare(b.Attribute.Name, a[0], true) == 0).Any()).Count() != uk.Value.Count) {
+								if (dsukfind1.Any()) sbalter.Append("ALTER TABLE ").Append(_commonUtils.QuoteSqlName($"{tbname[0]}.{tbname[1]}.{tbname[2]}")).Append(" DROP CONSTRAINT ").Append(_commonUtils.QuoteSqlName(uk.Key)).Append(";\r\n");
+								sbalter.Append("ALTER TABLE ").Append(_commonUtils.QuoteSqlName($"{tbname[0]}.{tbname[1]}.{tbname[2]}")).Append(" ADD CONSTRAINT ").Append(_commonUtils.QuoteSqlName(uk.Key)).Append(" UNIQUE(");
+								foreach (var tbcol in uk.Value) sbalter.Append(_commonUtils.QuoteSqlName(tbcol.Attribute.Name)).Append(", ");
+								sbalter.Remove(sbalter.Length - 2, 2).Append(");\r\n");
+							}
+						}
 					}
 					if (istmpatler == false) {
-						sb.Append(sbalter);
+						sb.Append(sbalter).Append("\r\nuse " + database);
 						continue;
 					}
 					//创建临时表，数据导进临时表，然后删除原表，将临时表改名为原表名
@@ -244,6 +271,11 @@ use " + database, tboldname ?? tbname);
 						sb.Append(",");
 						idents = idents || tbcol.Attribute.IsIdentity == true;
 					}
+					foreach (var uk in tb.Uniques) {
+						sb.Append(" \r\n  CONSTRAINT ").Append(_commonUtils.QuoteSqlName(uk.Key)).Append(" UNIQUE(");
+						foreach (var tbcol in uk.Value) sb.Append(_commonUtils.QuoteSqlName(tbcol.Attribute.Name)).Append(", ");
+						sb.Remove(sb.Length - 2, 2).Append("),");
+					}
 					sb.Remove(sb.Length - 1, 1).Append("\r\n);\r\n");
 					sb.Append("ALTER TABLE ").Append(tmptablename).Append(" SET (LOCK_ESCALATION = TABLE);\r\n");
 					if (idents) sb.Append("SET IDENTITY_INSERT ").Append(tmptablename).Append(" ON;\r\n");
@@ -268,7 +300,7 @@ use " + database, tboldname ?? tbname);
 					sb.Remove(sb.Length - 2, 2).Append(" FROM ").Append(tablename).Append(" WITH (HOLDLOCK TABLOCKX)');\r\n");
 					if (idents) sb.Append("SET IDENTITY_INSERT ").Append(tmptablename).Append(" OFF;\r\n");
 					sb.Append("DROP TABLE ").Append(tablename).Append(";\r\n");
-					sb.Append("EXECUTE sp_rename N'").Append(tmptablename).Append("', N'").Append(tbname[2]).Append("', 'OBJECT' ;\r\n");
+					sb.Append("EXECUTE sp_rename N'").Append(tmptablename).Append("', N'").Append(tbname[2]).Append("', 'OBJECT';\r\n");
 					sb.Append("COMMIT;\r\n");
 				}
 				return sb.Length == 0 ? null : sb.ToString();

FreeSql/SqlServer/SqlServerDbFirst.cs

@@ -256,7 +256,7 @@ use [{db}];
 select 
  a.object_id 'Object_id'
 ,c.name 'Column'
-,b.index_id 'Index_id'
+,d.name 'Index_id'
 ,b.is_unique 'IsUnique'
 ,b.is_primary_key 'IsPrimaryKey'
 ,cast(case when b.type_desc = 'CLUSTERED' then 1 else 0 end as bit) 'IsClustered'
@@ -264,6 +264,7 @@ select
 from sys.index_columns a
 inner join sys.indexes b on b.object_id = a.object_id and b.index_id = a.index_id
 left join sys.columns c on c.object_id = a.object_id and c.column_id = a.column_id
+left join sys.key_constraints d on d.parent_object_id = b.object_id and d.unique_index_id = b.index_id
 where a.object_id in ({loc8})
 ;
 use [{olddatabase}];
@@ -271,12 +272,12 @@ use [{olddatabase}];
 				ds = _orm.Ado.ExecuteArray(CommandType.Text, sql);
 				if (ds == null) return loc1;
 
-				var indexColumns = new Dictionary<int, Dictionary<int, List<DbColumnInfo>>>();
+				var indexColumns = new Dictionary<int, Dictionary<string, List<DbColumnInfo>>>();
-				var uniqueColumns = new Dictionary<int, Dictionary<int, List<DbColumnInfo>>>();
+				var uniqueColumns = new Dictionary<int, Dictionary<string, List<DbColumnInfo>>>();
 				foreach (object[] row in ds) {
 					int object_id = int.Parse(string.Concat(row[0]));
 					string column = string.Concat(row[1]);
-					int index_id = int.Parse(string.Concat(row[2]));
+					string index_id = string.Concat(row[2]);
 					bool is_unique = bool.Parse(string.Concat(row[3]));
 					bool is_primary_key = bool.Parse(string.Concat(row[4]));
 					bool is_clustered = bool.Parse(string.Concat(row[5]));
@@ -286,29 +287,29 @@ use [{olddatabase}];
 					DbColumnInfo loc9 = loc3[object_id][column];
 					if (loc9.IsPrimary == false && is_primary_key) loc9.IsPrimary = is_primary_key;
 
-					Dictionary<int, List<DbColumnInfo>> loc10 = null;
+					Dictionary<string, List<DbColumnInfo>> loc10 = null;
 					List<DbColumnInfo> loc11 = null;
 					if (!indexColumns.TryGetValue(object_id, out loc10))
-						indexColumns.Add(object_id, loc10 = new Dictionary<int, List<DbColumnInfo>>());
+						indexColumns.Add(object_id, loc10 = new Dictionary<string, List<DbColumnInfo>>());
 					if (!loc10.TryGetValue(index_id, out loc11))
 						loc10.Add(index_id, loc11 = new List<DbColumnInfo>());
 					loc11.Add(loc9);
-					if (is_unique) {
+					if (is_unique && !is_primary_key) {
 						if (!uniqueColumns.TryGetValue(object_id, out loc10))
-							uniqueColumns.Add(object_id, loc10 = new Dictionary<int, List<DbColumnInfo>>());
+							uniqueColumns.Add(object_id, loc10 = new Dictionary<string, List<DbColumnInfo>>());
 						if (!loc10.TryGetValue(index_id, out loc11))
 							loc10.Add(index_id, loc11 = new List<DbColumnInfo>());
 						loc11.Add(loc9);
 					}
 				}
 				foreach (var object_id in indexColumns.Keys) {
-					foreach (List<DbColumnInfo> columns in indexColumns[object_id].Values)
+					foreach (var column in indexColumns[object_id])
-						loc2[object_id].Indexes.Add(columns);
+						loc2[object_id].IndexesDict.Add(column.Key, column.Value);
 				}
 				foreach (var object_id in uniqueColumns.Keys) {
-					foreach (var columns in uniqueColumns[object_id].Values) {
+					foreach (var column in uniqueColumns[object_id]) {
-						columns.Sort((c1, c2) => c1.Name.CompareTo(c2.Name));
+						column.Value.Sort((c1, c2) => c1.Name.CompareTo(c2.Name));
-						loc2[object_id].Uniques.Add(columns);
+						loc2[object_id].UniquesDict.Add(column.Key, column.Value);
 					}
 				}
 
@@ -317,8 +318,8 @@ use [{db}];
 select 
  b.object_id 'Object_id'
 ,c.name 'Column'
-,a.constraint_object_id 'FKId'
+,e.name 'FKId'
-,referenced_object_id
+,a.referenced_object_id
 ,cast(1 as bit) 'IsForeignKey'
 ,d.name 'Referenced_Column'
 ,null 'Referenced_Sln'
@@ -327,6 +328,7 @@ from sys.foreign_key_columns a
 inner join sys.tables b on b.object_id = a.parent_object_id
 inner join sys.columns c on c.object_id = a.parent_object_id and c.column_id = a.parent_column_id
 inner join sys.columns d on d.object_id = a.referenced_object_id and d.column_id = a.referenced_column_id
+left join sys.foreign_keys e on e.object_id = a.constraint_object_id
 where b.object_id in ({loc8})
 ;
 use [{olddatabase}];
@@ -334,12 +336,12 @@ use [{olddatabase}];
 				ds = _orm.Ado.ExecuteArray(CommandType.Text, sql);
 				if (ds == null) return loc1;
 
-				var fkColumns = new Dictionary<int, Dictionary<int, DbForeignInfo>>();
+				var fkColumns = new Dictionary<int, Dictionary<string, DbForeignInfo>>();
 				foreach (object[] row in ds) {
-					int object_id, fk_id, referenced_object_id;
+					int object_id, referenced_object_id;
 					int.TryParse(string.Concat(row[0]), out object_id);
 					var column = string.Concat(row[1]);
-					int.TryParse(string.Concat(row[2]), out fk_id);
+					string fk_id = string.Concat(row[2]);
 					int.TryParse(string.Concat(row[3]), out referenced_object_id);
 					var is_foreign_key = bool.Parse(string.Concat(row[4]));
 					var referenced_column = string.Concat(row[5]);
@@ -356,18 +358,18 @@ use [{olddatabase}];
 					} else {
 
 					}
-					Dictionary<int, DbForeignInfo> loc12 = null;
+					Dictionary<string, DbForeignInfo> loc12 = null;
 					DbForeignInfo loc13 = null;
 					if (!fkColumns.TryGetValue(object_id, out loc12))
-						fkColumns.Add(object_id, loc12 = new Dictionary<int, DbForeignInfo>());
+						fkColumns.Add(object_id, loc12 = new Dictionary<string, DbForeignInfo>());
 					if (!loc12.TryGetValue(fk_id, out loc13))
 						loc12.Add(fk_id, loc13 = new DbForeignInfo { Table = loc2[object_id], ReferencedTable = loc10 });
 					loc13.Columns.Add(loc9);
 					loc13.ReferencedColumns.Add(loc11);
 				}
 				foreach (var table_id in fkColumns.Keys)
-					foreach (var fk in fkColumns[table_id].Values)
+					foreach (var fk in fkColumns[table_id])
-						loc2[table_id].Foreigns.Add(fk);
+						loc2[table_id].ForeignsDict.Add(fk.Key, fk.Value);
 
 				foreach (var table_id in loc3.Keys) {
 					foreach (var loc5 in loc3[table_id].Values) {
@@ -377,8 +379,8 @@ use [{olddatabase}];
 					}
 				}
 				foreach (var loc4 in loc2.Values) {
-					if (loc4.Primarys.Count == 0 && loc4.Uniques.Count > 0) {
+					if (loc4.Primarys.Count == 0 && loc4.UniquesDict.Count > 0) {
-						foreach (var loc5 in loc4.Uniques[0]) {
+						foreach (var loc5 in loc4.UniquesDict.First().Value) {
 							loc5.IsPrimary = true;
 							loc4.Primarys.Add(loc5);
 						}
@@ -387,8 +389,8 @@ use [{olddatabase}];
 					loc4.Columns.Sort((c1, c2) => {
 						int compare = c2.IsPrimary.CompareTo(c1.IsPrimary);
 						if (compare == 0) {
-							bool b1 = loc4.Foreigns.Find(fk => fk.Columns.Find(c3 => c3.Name == c1.Name) != null) != null;
+							bool b1 = loc4.ForeignsDict.Values.Where(fk => fk.Columns.Where(c3 => c3.Name == c1.Name).Any()).Any();
-							bool b2 = loc4.Foreigns.Find(fk => fk.Columns.Find(c3 => c3.Name == c2.Name) != null) != null;
+							bool b2 = loc4.ForeignsDict.Values.Where(fk => fk.Columns.Where(c3 => c3.Name == c2.Name).Any()).Any();
 							compare = b2.CompareTo(b1);
 						}
 						if (compare == 0) compare = c1.Name.CompareTo(c2.Name);
@@ -401,16 +403,6 @@ use [{olddatabase}];
 					if (ret == 0) ret = t1.Name.CompareTo(t2.Name);
 					return ret;
 				});
-				foreach (var loc4 in loc1) {
-					var dicUniques = new Dictionary<string, List<DbColumnInfo>>();
-					if (loc4.Primarys.Count > 0) dicUniques.Add(string.Join(",", loc4.Primarys.Select(a => a.Name)), loc4.Primarys);
-					foreach (var loc5 in loc4.Uniques) {
-						var dickey = string.Join(",", loc5.Select(a => a.Name));
-						if (dicUniques.ContainsKey(dickey)) continue;
-						dicUniques.Add(dickey, loc5);
-					}
-					loc4.Uniques = dicUniques.Values.ToList();
-				}
 
 				loc2.Clear();
 				loc3.Clear();

FreeSql/SqlServer/SqlServerExpression.cs

@@ -12,8 +12,8 @@ namespace FreeSql.SqlServer {
 
 		public SqlServerExpression(CommonUtils common) : base(common) { }
 
-		internal override string ExpressionLambdaToSqlOther(Expression exp, List<SelectTableInfo> _tables, List<SelectColumnInfo> _selectColumnMap, Func<Expression[], string> getSelectGroupingMapString, SelectTableInfoType tbtype, bool isQuoteName, bool isDisableDiyParse, ExpressionStyle style) {
+		internal override string ExpressionLambdaToSqlOther(Expression exp, ExpTSC tsc) {
-			Func<Expression, string> getExp = exparg => ExpressionLambdaToSql(exparg, _tables, _selectColumnMap, getSelectGroupingMapString, tbtype, isQuoteName, isDisableDiyParse, style);
+			Func<Expression, string> getExp = exparg => ExpressionLambdaToSql(exparg, tsc);
 			switch (exp.NodeType) {
 				case ExpressionType.Convert:
 					var operandExp = (exp as UnaryExpression)?.Operand;
@@ -135,20 +135,20 @@ namespace FreeSql.SqlServer {
 			return null;
 		}
 
-		internal override string ExpressionLambdaToSqlMemberAccessString(MemberExpression exp, List<SelectTableInfo> _tables, List<SelectColumnInfo> _selectColumnMap, Func<Expression[], string> getSelectGroupingMapString, SelectTableInfoType tbtype, bool isQuoteName, bool isDisableDiyParse, ExpressionStyle style) {
+		internal override string ExpressionLambdaToSqlMemberAccessString(MemberExpression exp, ExpTSC tsc) {
 			if (exp.Expression == null) {
 				switch (exp.Member.Name) {
 					case "Empty": return "''";
 				}
 				return null;
 			}
-			var left = ExpressionLambdaToSql(exp.Expression, _tables, _selectColumnMap, getSelectGroupingMapString, tbtype, isQuoteName, isDisableDiyParse, style);
+			var left = ExpressionLambdaToSql(exp.Expression, tsc);
 			switch (exp.Member.Name) {
 				case "Length": return $"len({left})";
 			}
 			return null;
 		}
-		internal override string ExpressionLambdaToSqlMemberAccessDateTime(MemberExpression exp, List<SelectTableInfo> _tables, List<SelectColumnInfo> _selectColumnMap, Func<Expression[], string> getSelectGroupingMapString, SelectTableInfoType tbtype, bool isQuoteName, bool isDisableDiyParse, ExpressionStyle style) {
+		internal override string ExpressionLambdaToSqlMemberAccessDateTime(MemberExpression exp, ExpTSC tsc) {
 			if (exp.Expression == null) {
 				switch (exp.Member.Name) {
 					case "Now": return "getdate()";
@@ -159,7 +159,7 @@ namespace FreeSql.SqlServer {
 				}
 				return null;
 			}
-			var left = ExpressionLambdaToSql(exp.Expression, _tables, _selectColumnMap, getSelectGroupingMapString, tbtype, isQuoteName, isDisableDiyParse, style);
+			var left = ExpressionLambdaToSql(exp.Expression, tsc);
 			switch (exp.Member.Name) {
 				case "Date": return $"convert(char(10),{left},120)";
 				case "TimeOfDay": return $"datediff(second, convert(char(10),{left},120), {left})";
@@ -176,7 +176,7 @@ namespace FreeSql.SqlServer {
 			}
 			return null;
 		}
-		internal override string ExpressionLambdaToSqlMemberAccessTimeSpan(MemberExpression exp, List<SelectTableInfo> _tables, List<SelectColumnInfo> _selectColumnMap, Func<Expression[], string> getSelectGroupingMapString, SelectTableInfoType tbtype, bool isQuoteName, bool isDisableDiyParse, ExpressionStyle style) {
+		internal override string ExpressionLambdaToSqlMemberAccessTimeSpan(MemberExpression exp, ExpTSC tsc) {
 			if (exp.Expression == null) {
 				switch (exp.Member.Name) {
 					case "Zero": return "0";
@@ -185,7 +185,7 @@ namespace FreeSql.SqlServer {
 				}
 				return null;
 			}
-			var left = ExpressionLambdaToSql(exp.Expression, _tables, _selectColumnMap, getSelectGroupingMapString, tbtype, isQuoteName, isDisableDiyParse, style);
+			var left = ExpressionLambdaToSql(exp.Expression, tsc);
 			switch (exp.Member.Name) {
 				case "Days": return $"floor(({left})/{60 * 60 * 24})";
 				case "Hours": return $"floor(({left})/{60 * 60}%24)";
@@ -202,8 +202,8 @@ namespace FreeSql.SqlServer {
 			return null;
 		}
 
-		internal override string ExpressionLambdaToSqlCallString(MethodCallExpression exp, List<SelectTableInfo> _tables, List<SelectColumnInfo> _selectColumnMap, Func<Expression[], string> getSelectGroupingMapString, SelectTableInfoType tbtype, bool isQuoteName, bool isDisableDiyParse, ExpressionStyle style) {
+		internal override string ExpressionLambdaToSqlCallString(MethodCallExpression exp, ExpTSC tsc) {
-			Func<Expression, string> getExp = exparg => ExpressionLambdaToSql(exparg, _tables, _selectColumnMap, getSelectGroupingMapString, tbtype, isQuoteName, isDisableDiyParse, style);
+			Func<Expression, string> getExp = exparg => ExpressionLambdaToSql(exparg, tsc);
 			if (exp.Object == null) {
 				switch (exp.Method.Name) {
 					case "IsNullOrEmpty":
@@ -257,8 +257,8 @@ namespace FreeSql.SqlServer {
 			}
 			throw new Exception($"SqlServerExpression 未实现函数表达式 {exp} 解析");
 		}
-		internal override string ExpressionLambdaToSqlCallMath(MethodCallExpression exp, List<SelectTableInfo> _tables, List<SelectColumnInfo> _selectColumnMap, Func<Expression[], string> getSelectGroupingMapString, SelectTableInfoType tbtype, bool isQuoteName, bool isDisableDiyParse, ExpressionStyle style) {
+		internal override string ExpressionLambdaToSqlCallMath(MethodCallExpression exp, ExpTSC tsc) {
-			Func<Expression, string> getExp = exparg => ExpressionLambdaToSql(exparg, _tables, _selectColumnMap, getSelectGroupingMapString, tbtype, isQuoteName, isDisableDiyParse, style);
+			Func<Expression, string> getExp = exparg => ExpressionLambdaToSql(exparg, tsc);
 			switch (exp.Method.Name) {
 				case "Abs": return $"abs({getExp(exp.Arguments[0])})";
 				case "Sign": return $"sign({getExp(exp.Arguments[0])})";
@@ -283,8 +283,8 @@ namespace FreeSql.SqlServer {
 			}
 			throw new Exception($"SqlServerExpression 未实现函数表达式 {exp} 解析");
 		}
-		internal override string ExpressionLambdaToSqlCallDateTime(MethodCallExpression exp, List<SelectTableInfo> _tables, List<SelectColumnInfo> _selectColumnMap, Func<Expression[], string> getSelectGroupingMapString, SelectTableInfoType tbtype, bool isQuoteName, bool isDisableDiyParse, ExpressionStyle style) {
+		internal override string ExpressionLambdaToSqlCallDateTime(MethodCallExpression exp, ExpTSC tsc) {
-			Func<Expression, string> getExp = exparg => ExpressionLambdaToSql(exparg, _tables, _selectColumnMap, getSelectGroupingMapString, tbtype, isQuoteName, isDisableDiyParse, style);
+			Func<Expression, string> getExp = exparg => ExpressionLambdaToSql(exparg, tsc);
 			if (exp.Object == null) {
 				switch (exp.Method.Name) {
 					case "Compare": return $"({getExp(exp.Arguments[0])} - ({getExp(exp.Arguments[1])}))";
@@ -326,8 +326,8 @@ namespace FreeSql.SqlServer {
 			}
 			throw new Exception($"SqlServerExpression 未实现函数表达式 {exp} 解析");
 		}
-		internal override string ExpressionLambdaToSqlCallTimeSpan(MethodCallExpression exp, List<SelectTableInfo> _tables, List<SelectColumnInfo> _selectColumnMap, Func<Expression[], string> getSelectGroupingMapString, SelectTableInfoType tbtype, bool isQuoteName, bool isDisableDiyParse, ExpressionStyle style) {
+		internal override string ExpressionLambdaToSqlCallTimeSpan(MethodCallExpression exp, ExpTSC tsc) {
-			Func<Expression, string> getExp = exparg => ExpressionLambdaToSql(exparg, _tables, _selectColumnMap, getSelectGroupingMapString, tbtype, isQuoteName, isDisableDiyParse, style);
+			Func<Expression, string> getExp = exparg => ExpressionLambdaToSql(exparg, tsc);
 			if (exp.Object == null) {
 				switch (exp.Method.Name) {
 					case "Compare": return $"({getExp(exp.Arguments[0])}-({getExp(exp.Arguments[1])}))";
@@ -356,8 +356,8 @@ namespace FreeSql.SqlServer {
 			}
 			throw new Exception($"SqlServerExpression 未实现函数表达式 {exp} 解析");
 		}
-		internal override string ExpressionLambdaToSqlCallConvert(MethodCallExpression exp, List<SelectTableInfo> _tables, List<SelectColumnInfo> _selectColumnMap, Func<Expression[], string> getSelectGroupingMapString, SelectTableInfoType tbtype, bool isQuoteName, bool isDisableDiyParse, ExpressionStyle style) {
+		internal override string ExpressionLambdaToSqlCallConvert(MethodCallExpression exp, ExpTSC tsc) {
-			Func<Expression, string> getExp = exparg => ExpressionLambdaToSql(exparg, _tables, _selectColumnMap, getSelectGroupingMapString, tbtype, isQuoteName, isDisableDiyParse, style);
+			Func<Expression, string> getExp = exparg => ExpressionLambdaToSql(exparg, tsc);
 			if (exp.Object == null) {
 				switch (exp.Method.Name) {
 					case "ToBoolean": return $"(cast({getExp(exp.Arguments[0])} as varchar) not in ('0','false'))";

FreeSql/SqlServer/SqlServerUtils.cs

@@ -41,6 +41,12 @@ namespace FreeSql.SqlServer {
 				return nametrim; //原生SQL
 			return $"[{nametrim.TrimStart('[').TrimEnd(']').Replace(".", "].[")}]";
 		}
+		internal override string TrimQuoteSqlName(string name) {
+			var nametrim = name.Trim();
+			if (nametrim.StartsWith("(") && nametrim.EndsWith(")"))
+				return nametrim; //原生SQL
+			return $"{nametrim.TrimStart('[').TrimEnd(']').Replace("].[", ".").Replace(".[", ".")}";
+		}
 		internal override string QuoteParamterName(string name) => $"@{(_orm.CodeFirst.IsSyncStructureToLower ? name.ToLower() : name)}";
 		internal override string IsNull(string sql, object value) => $"isnull({sql}, {value})";
 		internal override string StringConcat(string[] objs, Type[] types) {

FreeSql/Sqlite/Curd/SqliteUpdate.cs

@@ -30,14 +30,14 @@ namespace FreeSql.Sqlite.Curd {
 
 		protected override void ToSqlCase(StringBuilder caseWhen, ColumnInfo[] primarys) {
 			if (_table.Primarys.Length == 1) {
-				caseWhen.Append(_commonUtils.QuoteReadColumn(_table.Primarys.First().CsType, _commonUtils.QuoteSqlName(_table.Primarys.First().Attribute.Name)));
+				caseWhen.Append(_commonUtils.QuoteReadColumn(_table.Primarys.First().Attribute.MapType, _commonUtils.QuoteSqlName(_table.Primarys.First().Attribute.Name)));
 				return;
 			}
 			caseWhen.Append("CONCAT(");
 			var pkidx = 0;
 			foreach (var pk in _table.Primarys) {
 				if (pkidx > 0) caseWhen.Append(", ");
-				caseWhen.Append(_commonUtils.QuoteReadColumn(pk.CsType, _commonUtils.QuoteSqlName(pk.Attribute.Name)));
+				caseWhen.Append(_commonUtils.QuoteReadColumn(pk.Attribute.MapType, _commonUtils.QuoteSqlName(pk.Attribute.Name)));
 				++pkidx;
 			}
 			caseWhen.Append(")");
@@ -45,14 +45,14 @@ namespace FreeSql.Sqlite.Curd {
 
 		protected override void ToSqlWhen(StringBuilder sb, ColumnInfo[] primarys, object d) {
 			if (_table.Primarys.Length == 1) {
-				sb.Append(_commonUtils.FormatSql("{0}", _table.Properties.TryGetValue(_table.Primarys.First().CsName, out var tryp2) ? tryp2.GetValue(d) : null));
+				sb.Append(_commonUtils.FormatSql("{0}", _table.Primarys.First().GetMapValue(d)));
 				return;
 			}
 			sb.Append("CONCAT(");
 			var pkidx = 0;
 			foreach (var pk in _table.Primarys) {
 				if (pkidx > 0) sb.Append(", ");
-				sb.Append(_commonUtils.FormatSql("{0}", _table.Properties.TryGetValue(pk.CsName, out var tryp2) ? tryp2.GetValue(d) : null));
+				sb.Append(_commonUtils.FormatSql("{0}", pk.GetMapValue(d)));
 				++pkidx;
 			}
 			sb.Append(")");

FreeSql/Sqlite/SqliteAdo/SqliteAdo.cs

@@ -23,8 +23,10 @@ namespace FreeSql.Sqlite {
 			}
 		}
 		static DateTime dt1970 = new DateTime(1970, 1, 1);
-		public override object AddslashesProcessParam(object param) {
+		public override object AddslashesProcessParam(object param, Type mapType) {
 			if (param == null) return "NULL";
+			if (mapType != null && mapType != param.GetType())
+				param = Utils.GetDataReaderValue(mapType, param);
 			if (param is bool || param is bool?)
 				return (bool)param ? 1 : 0;
 			else if (param is string || param is char)
@@ -40,11 +42,10 @@ namespace FreeSql.Sqlite {
 			else if (param is IEnumerable) {
 				var sb = new StringBuilder();
 				var ie = param as IEnumerable;
-				foreach (var z in ie) sb.Append(",").Append(AddslashesProcessParam(z));
+				foreach (var z in ie) sb.Append(",").Append(AddslashesProcessParam(z, mapType));
 				return sb.Length == 0 ? "(NULL)" : sb.Remove(0, 1).Insert(0, "(").Append(")").ToString();
 			}
 			return string.Concat("'", param.ToString().Replace("'", "''"), "'");
-			//if (param is string) return string.Concat('N', nparms[a]);
 		}
 
 		protected override DbCommand CreateCommand() {

FreeSql/Sqlite/SqliteCodeFirst.cs

@@ -110,13 +110,17 @@ namespace FreeSql.Sqlite {
 							}
 							sb.Append(",");
 						}
-						if (isIndent || tb.Primarys.Any() == false)
+						if (isIndent == false && tb.Primarys.Any()) {
-							sb.Remove(sb.Length - 1, 1);
-						else {
 							sb.Append(" \r\n  PRIMARY KEY (");
 							foreach (var tbcol in tb.Primarys) sb.Append(_commonUtils.QuoteSqlName(tbcol.Attribute.Name)).Append(", ");
-							sb.Remove(sb.Length - 2, 2).Append(")");
+							sb.Remove(sb.Length - 2, 2).Append("),");
 						}
+						foreach (var uk in tb.Uniques) {
+							sb.Append(" \r\n  CONSTRAINT ").Append(_commonUtils.QuoteSqlName(uk.Key)).Append(" UNIQUE(");
+							foreach (var tbcol in uk.Value) sb.Append(_commonUtils.QuoteSqlName(tbcol.Attribute.Name)).Append(", ");
+							sb.Remove(sb.Length - 2, 2).Append("),");
+						}
+						sb.Remove(sb.Length - 1, 1);
 						sb.Append("\r\n) \r\n;\r\n");
 						continue;
 					}
@@ -168,6 +172,22 @@ namespace FreeSql.Sqlite {
 						//添加列
 						istmpatler = true;
 					}
+					var dsukMatches = _regexUK.Matches(dsql);
+					var dsuk = new List<string[]>();
+					foreach (Match dsukm in dsukMatches) {
+						var dbsukmg2 = dsukm.Groups[2].Value.Split(',');
+						if (dbsukmg2.Any() == false) continue;
+						foreach (var dbfield in dbsukmg2) {
+							dsuk.Add(new[] { Regex.Match(dbfield, @"""([^""]+)""").Groups[1].Value, dsukm.Groups[1].Value });
+						}
+					}
+					foreach (var uk in tb.Uniques) {
+						if (string.IsNullOrEmpty(uk.Key) || uk.Value.Any() == false) continue;
+						var dsukfind1 = dsuk.Where(a => string.Compare(a[1], uk.Key, true) == 0).ToArray();
+						if (dsukfind1.Any() == false || dsukfind1.Length != uk.Value.Count || dsukfind1.Where(a => uk.Value.Where(b => string.Compare(b.Attribute.Name, a[0], true) == 0).Any()).Count() != uk.Value.Count) {
+							istmpatler = true;
+						}
+					}
 				}
 				if (istmpatler == false) {
 					sb.Append(sbalter);
@@ -190,13 +210,17 @@ namespace FreeSql.Sqlite {
 					}
 					sb.Append(",");
 				}
-				if (isIndent || tb.Primarys.Any() == false)
+				if (isIndent == false && tb.Primarys.Any()) {
-					sb.Remove(sb.Length - 1, 1);
-				else {
 					sb.Append(" \r\n  PRIMARY KEY (");
 					foreach (var tbcol in tb.Primarys) sb.Append(_commonUtils.QuoteSqlName(tbcol.Attribute.Name)).Append(", ");
-					sb.Remove(sb.Length - 2, 2).Append(")");
+					sb.Remove(sb.Length - 2, 2).Append("),");
 				}
+				foreach (var uk in tb.Uniques) {
+					sb.Append(" \r\n  CONSTRAINT ").Append(_commonUtils.QuoteSqlName(uk.Key)).Append(" UNIQUE(");
+					foreach (var tbcol in uk.Value) sb.Append(_commonUtils.QuoteSqlName(tbcol.Attribute.Name)).Append(", ");
+					sb.Remove(sb.Length - 2, 2).Append("),");
+				}
+				sb.Remove(sb.Length - 1, 1);
 				sb.Append("\r\n) \r\n;\r\n");
 				sb.Append("INSERT INTO ").Append(tmptablename).Append(" (");
 				foreach (var tbcol in tb.Columns.Values)
@@ -223,6 +247,7 @@ namespace FreeSql.Sqlite {
 			}
 			return sb.Length == 0 ? null : sb.ToString();
 		}
+		static Regex _regexUK = new Regex(@"CONSTRAINT\s*""([^""]+)""\s*UNIQUE\s*\(([^\)]+)\)", RegexOptions.IgnoreCase | RegexOptions.Compiled);
 
 		static object syncStructureLock = new object();
 		ConcurrentDictionary<string, bool> dicSyced = new ConcurrentDictionary<string, bool>();

FreeSql/Sqlite/SqliteExpression.cs

@@ -12,8 +12,8 @@ namespace FreeSql.Sqlite {
 
 		public SqliteExpression(CommonUtils common) : base(common) { }
 
-		internal override string ExpressionLambdaToSqlOther(Expression exp, List<SelectTableInfo> _tables, List<SelectColumnInfo> _selectColumnMap, Func<Expression[], string> getSelectGroupingMapString, SelectTableInfoType tbtype, bool isQuoteName, bool isDisableDiyParse, ExpressionStyle style) {
+		internal override string ExpressionLambdaToSqlOther(Expression exp, ExpTSC tsc) {
-			Func<Expression, string> getExp = exparg => ExpressionLambdaToSql(exparg, _tables, _selectColumnMap, getSelectGroupingMapString, tbtype, isQuoteName, isDisableDiyParse, style);
+			Func<Expression, string> getExp = exparg => ExpressionLambdaToSql(exparg, tsc);
 			switch (exp.NodeType) {
 				case ExpressionType.Convert:
 					var operandExp = (exp as UnaryExpression)?.Operand;
@@ -132,20 +132,20 @@ namespace FreeSql.Sqlite {
 			return null;
 		}
 
-		internal override string ExpressionLambdaToSqlMemberAccessString(MemberExpression exp, List<SelectTableInfo> _tables, List<SelectColumnInfo> _selectColumnMap, Func<Expression[], string> getSelectGroupingMapString, SelectTableInfoType tbtype, bool isQuoteName, bool isDisableDiyParse, ExpressionStyle style) {
+		internal override string ExpressionLambdaToSqlMemberAccessString(MemberExpression exp, ExpTSC tsc) {
 			if (exp.Expression == null) {
 				switch (exp.Member.Name) {
 					case "Empty": return "''";
 				}
 				return null;
 			}
-			var left = ExpressionLambdaToSql(exp.Expression, _tables, _selectColumnMap, getSelectGroupingMapString, tbtype, isQuoteName, isDisableDiyParse, style);
+			var left = ExpressionLambdaToSql(exp.Expression, tsc);
 			switch (exp.Member.Name) {
 				case "Length": return $"length({left})";
 			}
 			return null;
 		}
-		internal override string ExpressionLambdaToSqlMemberAccessDateTime(MemberExpression exp, List<SelectTableInfo> _tables, List<SelectColumnInfo> _selectColumnMap, Func<Expression[], string> getSelectGroupingMapString, SelectTableInfoType tbtype, bool isQuoteName, bool isDisableDiyParse, ExpressionStyle style) {
+		internal override string ExpressionLambdaToSqlMemberAccessDateTime(MemberExpression exp, ExpTSC tsc) {
 			if (exp.Expression == null) {
 				switch (exp.Member.Name) {
 					case "Now": return "datetime(current_timestamp,'localtime')";
@@ -156,7 +156,7 @@ namespace FreeSql.Sqlite {
 				}
 				return null;
 			}
-			var left = ExpressionLambdaToSql(exp.Expression, _tables, _selectColumnMap, getSelectGroupingMapString, tbtype, isQuoteName, isDisableDiyParse, style);
+			var left = ExpressionLambdaToSql(exp.Expression, tsc);
 			switch (exp.Member.Name) {
 				case "Date": return $"date({left})";
 				case "TimeOfDay": return $"strftime('%s',{left})";
@@ -173,7 +173,7 @@ namespace FreeSql.Sqlite {
 			}
 			return null;
 		}
-		internal override string ExpressionLambdaToSqlMemberAccessTimeSpan(MemberExpression exp, List<SelectTableInfo> _tables, List<SelectColumnInfo> _selectColumnMap, Func<Expression[], string> getSelectGroupingMapString, SelectTableInfoType tbtype, bool isQuoteName, bool isDisableDiyParse, ExpressionStyle style) {
+		internal override string ExpressionLambdaToSqlMemberAccessTimeSpan(MemberExpression exp, ExpTSC tsc) {
 			if (exp.Expression == null) {
 				switch (exp.Member.Name) {
 					case "Zero": return "0";
@@ -182,7 +182,7 @@ namespace FreeSql.Sqlite {
 				}
 				return null;
 			}
-			var left = ExpressionLambdaToSql(exp.Expression, _tables, _selectColumnMap, getSelectGroupingMapString, tbtype, isQuoteName, isDisableDiyParse, style);
+			var left = ExpressionLambdaToSql(exp.Expression, tsc);
 			switch (exp.Member.Name) {
 				case "Days": return $"floor(({left})/{60 * 60 * 24})";
 				case "Hours": return $"floor(({left})/{60 * 60}%24)";
@@ -199,8 +199,8 @@ namespace FreeSql.Sqlite {
 			return null;
 		}
 
-		internal override string ExpressionLambdaToSqlCallString(MethodCallExpression exp, List<SelectTableInfo> _tables, List<SelectColumnInfo> _selectColumnMap, Func<Expression[], string> getSelectGroupingMapString, SelectTableInfoType tbtype, bool isQuoteName, bool isDisableDiyParse, ExpressionStyle style) {
+		internal override string ExpressionLambdaToSqlCallString(MethodCallExpression exp, ExpTSC tsc) {
-			Func<Expression, string> getExp = exparg => ExpressionLambdaToSql(exparg, _tables, _selectColumnMap, getSelectGroupingMapString, tbtype, isQuoteName, isDisableDiyParse, style);
+			Func<Expression, string> getExp = exparg => ExpressionLambdaToSql(exparg, tsc);
 			if (exp.Object == null) {
 				switch (exp.Method.Name) {
 					case "IsNullOrEmpty":
@@ -277,8 +277,8 @@ namespace FreeSql.Sqlite {
 			}
 			throw new Exception($"SqliteExpression 未实现函数表达式 {exp} 解析");
 		}
-		internal override string ExpressionLambdaToSqlCallMath(MethodCallExpression exp, List<SelectTableInfo> _tables, List<SelectColumnInfo> _selectColumnMap, Func<Expression[], string> getSelectGroupingMapString, SelectTableInfoType tbtype, bool isQuoteName, bool isDisableDiyParse, ExpressionStyle style) {
+		internal override string ExpressionLambdaToSqlCallMath(MethodCallExpression exp, ExpTSC tsc) {
-			Func<Expression, string> getExp = exparg => ExpressionLambdaToSql(exparg, _tables, _selectColumnMap, getSelectGroupingMapString, tbtype, isQuoteName, isDisableDiyParse, style);
+			Func<Expression, string> getExp = exparg => ExpressionLambdaToSql(exparg, tsc);
 			switch (exp.Method.Name) {
 				case "Abs": return $"abs({getExp(exp.Arguments[0])})";
 				case "Sign": return $"sign({getExp(exp.Arguments[0])})";
@@ -303,8 +303,8 @@ namespace FreeSql.Sqlite {
 			}
 			throw new Exception($"SqliteExpression 未实现函数表达式 {exp} 解析");
 		}
-		internal override string ExpressionLambdaToSqlCallDateTime(MethodCallExpression exp, List<SelectTableInfo> _tables, List<SelectColumnInfo> _selectColumnMap, Func<Expression[], string> getSelectGroupingMapString, SelectTableInfoType tbtype, bool isQuoteName, bool isDisableDiyParse, ExpressionStyle style) {
+		internal override string ExpressionLambdaToSqlCallDateTime(MethodCallExpression exp, ExpTSC tsc) {
-			Func<Expression, string> getExp = exparg => ExpressionLambdaToSql(exparg, _tables, _selectColumnMap, getSelectGroupingMapString, tbtype, isQuoteName, isDisableDiyParse, style);
+			Func<Expression, string> getExp = exparg => ExpressionLambdaToSql(exparg, tsc);
 			if (exp.Object == null) {
 				switch (exp.Method.Name) {
 					case "Compare": return $"(strftime('%s',{getExp(exp.Arguments[0])}) -strftime('%s',{getExp(exp.Arguments[1])}))";
@@ -346,8 +346,8 @@ namespace FreeSql.Sqlite {
 			}
 			throw new Exception($"SqliteExpression 未实现函数表达式 {exp} 解析");
 		}
-		internal override string ExpressionLambdaToSqlCallTimeSpan(MethodCallExpression exp, List<SelectTableInfo> _tables, List<SelectColumnInfo> _selectColumnMap, Func<Expression[], string> getSelectGroupingMapString, SelectTableInfoType tbtype, bool isQuoteName, bool isDisableDiyParse, ExpressionStyle style) {
+		internal override string ExpressionLambdaToSqlCallTimeSpan(MethodCallExpression exp, ExpTSC tsc) {
-			Func<Expression, string> getExp = exparg => ExpressionLambdaToSql(exparg, _tables, _selectColumnMap, getSelectGroupingMapString, tbtype, isQuoteName, isDisableDiyParse, style);
+			Func<Expression, string> getExp = exparg => ExpressionLambdaToSql(exparg, tsc);
 			if (exp.Object == null) {
 				switch (exp.Method.Name) {
 					case "Compare": return $"({getExp(exp.Arguments[0])}-({getExp(exp.Arguments[1])}))";
@@ -376,8 +376,8 @@ namespace FreeSql.Sqlite {
 			}
 			throw new Exception($"SqliteExpression 未实现函数表达式 {exp} 解析");
 		}
-		internal override string ExpressionLambdaToSqlCallConvert(MethodCallExpression exp, List<SelectTableInfo> _tables, List<SelectColumnInfo> _selectColumnMap, Func<Expression[], string> getSelectGroupingMapString, SelectTableInfoType tbtype, bool isQuoteName, bool isDisableDiyParse, ExpressionStyle style) {
+		internal override string ExpressionLambdaToSqlCallConvert(MethodCallExpression exp, ExpTSC tsc) {
-			Func<Expression, string> getExp = exparg => ExpressionLambdaToSql(exparg, _tables, _selectColumnMap, getSelectGroupingMapString, tbtype, isQuoteName, isDisableDiyParse, style);
+			Func<Expression, string> getExp = exparg => ExpressionLambdaToSql(exparg, tsc);
 			if (exp.Object == null) {
 				switch (exp.Method.Name) {
 					case "ToBoolean": return $"({getExp(exp.Arguments[0])} not in ('0','false'))";

FreeSql/Sqlite/SqliteUtils.cs

@@ -59,6 +59,12 @@ namespace FreeSql.Sqlite {
 				return nametrim; //原生SQL
 			return $"\"{nametrim.Trim('"').Replace(".", "\".\"")}\"";
 		}
+		internal override string TrimQuoteSqlName(string name) {
+			var nametrim = name.Trim();
+			if (nametrim.StartsWith("(") && nametrim.EndsWith(")"))
+				return nametrim; //原生SQL
+			return $"{nametrim.Trim('"').Replace("\".\"", ".").Replace(".\"", ".")}";
+		}
 		internal override string QuoteParamterName(string name) => $"@{(_orm.CodeFirst.IsSyncStructureToLower ? name.ToLower() : name)}";
 		internal override string IsNull(string sql, object value) => $"ifnull({sql}, {value})";
 		internal override string StringConcat(string[] objs, Type[] types) => $"{string.Join(" || ", objs)}";