- 增加 实体属性 char 类型的映射#381 #235；

FreeSql.Tests/FreeSql.Tests.Provider.MySqlConnector/MySqlConnector/MySqlCodeFirstTest.cs

@@ -282,57 +282,7 @@ namespace FreeSql.Tests.MySqlConnector
         {
 
             var sql = g.mysql.CodeFirst.GetComparisonDDLStatements<TableAllType>();
-            if (string.IsNullOrEmpty(sql) == false)
-            {
-                Assert.Equal(@"CREATE TABLE IF NOT EXISTS `cccddd`.`tb_alltype` ( 
-  `Id` INT(11) NOT NULL AUTO_INCREMENT, 
-  `testFieldBool` BIT(1) NOT NULL, 
-  `testFieldSByte` TINYINT(3) NOT NULL, 
-  `testFieldShort` SMALLINT(6) NOT NULL, 
-  `testFieldInt` INT(11) NOT NULL, 
-  `testFieldLong` BIGINT(20) NOT NULL, 
-  `testFieldByte` TINYINT(3) UNSIGNED NOT NULL, 
-  `testFieldUShort` SMALLINT(5) UNSIGNED NOT NULL, 
-  `testFieldUInt` INT(10) UNSIGNED NOT NULL, 
-  `testFieldULong` BIGINT(20) UNSIGNED NOT NULL, 
-  `testFieldDouble` DOUBLE NOT NULL, 
-  `testFieldFloat` FLOAT NOT NULL, 
-  `testFieldDecimal` DECIMAL(10,2) NOT NULL, 
-  `testFieldTimeSpan` TIME NOT NULL, 
-  `testFieldDateTime` DATETIME(3) NOT NULL, 
-  `testFieldBytes` VARBINARY(255), 
-  `testFieldString` VARCHAR(255), 
-  `testFieldGuid` VARCHAR(36), 
-  `testFieldBoolNullable` BIT(1), 
-  `testFieldSByteNullable` TINYINT(3), 
-  `testFieldShortNullable` SMALLINT(6), 
-  `testFieldIntNullable` INT(11), 
-  `testFielLongNullable` BIGINT(20), 
-  `testFieldByteNullable` TINYINT(3) UNSIGNED, 
-  `testFieldUShortNullable` SMALLINT(5) UNSIGNED, 
-  `testFieldUIntNullable` INT(10) UNSIGNED, 
-  `testFieldULongNullable` BIGINT(20) UNSIGNED, 
-  `testFieldDoubleNullable` DOUBLE, 
-  `testFieldFloatNullable` FLOAT, 
-  `testFieldDecimalNullable` DECIMAL(10,2), 
-  `testFieldTimeSpanNullable` TIME, 
-  `testFieldDateTimeNullable` DATETIME(3), 
-  `testFieldGuidNullable` VARCHAR(36), 
-  `testFieldPoint` POINT, 
-  `testFieldLineString` LINESTRING, 
-  `testFieldPolygon` POLYGON, 
-  `testFieldMultiPoint` MULTIPOINT, 
-  `testFieldMultiLineString` MULTILINESTRING, 
-  `testFieldMultiPolygon` MULTIPOLYGON, 
-  `testFieldEnum1` ENUM('E1','E2','E3') NOT NULL, 
-  `testFieldEnum1Nullable` ENUM('E1','E2','E3'), 
-  `testFieldEnum2` SET('F1','F2','F3') NOT NULL, 
-  `testFieldEnum2Nullable` SET('F1','F2','F3'), 
-  PRIMARY KEY (`Id`)
-) Engine=InnoDB;
-", sql);
-            }
-
+            Assert.True(string.IsNullOrEmpty(sql)); //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>κ<EFBFBD>
             sql = g.mysql.CodeFirst.GetComparisonDDLStatements<Tb_alltype>();
         }
 
@@ -398,6 +348,7 @@ namespace FreeSql.Tests.MySqlConnector
                 testFieldShort = short.MaxValue,
                 testFieldShortNullable = short.MinValue,
                 testFieldString = "<22><><EFBFBD><EFBFBD><EFBFBD>й<EFBFBD><D0B9><EFBFBD>string'\\?!@#$%^&*()_+{}}{~?><<>",
+                testFieldChar = 'X',
                 testFieldTimeSpan = TimeSpan.FromSeconds(999),
                 testFieldTimeSpanNullable = TimeSpan.FromSeconds(60),
                 testFieldUInt = uint.MaxValue,
@@ -411,10 +362,12 @@ namespace FreeSql.Tests.MySqlConnector
             item2.Id = (int)insert.AppendData(item2).ExecuteIdentity();
             var newitem2 = select.Where(a => a.Id == item2.Id).ToOne();
             Assert.Equal(item2.testFieldString, newitem2.testFieldString);
+            Assert.Equal(item2.testFieldChar, newitem2.testFieldChar);
 
             item2.Id = (int)insert.NoneParameter().AppendData(item2).ExecuteIdentity();
             newitem2 = select.Where(a => a.Id == item2.Id).ToOne();
             Assert.Equal(item2.testFieldString, newitem2.testFieldString);
+            Assert.Equal(item2.testFieldChar, newitem2.testFieldChar);
 
             var items = select.ToList();
             var itemstb = select.ToDataTable();
@@ -561,6 +514,10 @@ namespace FreeSql.Tests.MySqlConnector
             public string TestFieldString { get; set; }
 
 
+            [JsonProperty, Column(Name = "testFieldChar", DbType = "char(1)", IsNullable = true)]
+            public char testFieldChar { get; set; }
+
+
             [JsonProperty, Column(Name = "testFieldTimeSpan", DbType = "time")]
             public TimeSpan TestFieldTimeSpan { get; set; }
 
@@ -665,6 +622,7 @@ namespace FreeSql.Tests.MySqlConnector
 
             public byte[] testFieldBytes { get; set; }
             public string testFieldString { get; set; }
+            public char testFieldChar { get; set; }
             public Guid testFieldGuid { get; set; }
 
             public bool? testFieldBoolNullable { get; set; }

FreeSql.Tests/FreeSql.Tests.Provider.Odbc/Dameng/DamengCodeFirstTest.cs

@@ -179,57 +179,7 @@ namespace FreeSql.Tests.Odbc.Dameng
         {
 
             var sql = g.dameng.CodeFirst.GetComparisonDDLStatements<TableAllType>();
-            if (string.IsNullOrEmpty(sql) == false)
-            {
-                Assert.Equal(@"CREATE TABLE IF NOT EXISTS `cccddd`.`tb_alltype` ( 
-  `Id` INT(11) NOT NULL AUTO_INCREMENT, 
-  `Bool` BIT(1) NOT NULL, 
-  `SByte` TINYINT(3) NOT NULL, 
-  `Short` SMALLINT(6) NOT NULL, 
-  `Int` INT(11) NOT NULL, 
-  `Long` BIGINT(20) NOT NULL, 
-  `Byte` TINYINT(3) UNSIGNED NOT NULL, 
-  `UShort` SMALLINT(5) UNSIGNED NOT NULL, 
-  `UInt` INT(10) UNSIGNED NOT NULL, 
-  `ULong` BIGINT(20) UNSIGNED NOT NULL, 
-  `Double` DOUBLE NOT NULL, 
-  `Float` FLOAT NOT NULL, 
-  `Decimal` DECIMAL(10,2) NOT NULL, 
-  `TimeSpan` TIME NOT NULL, 
-  `DateTime` DATETIME NOT NULL, 
-  `Bytes` VARBINARY(255), 
-  `String` VARCHAR(255), 
-  `Guid` VARCHAR(36), 
-  `BoolNullable` BIT(1), 
-  `SByteNullable` TINYINT(3), 
-  `ShortNullable` SMALLINT(6), 
-  `IntNullable` INT(11), 
-  `testFielLongNullable` BIGINT(20), 
-  `ByteNullable` TINYINT(3) UNSIGNED, 
-  `UShortNullable` SMALLINT(5) UNSIGNED, 
-  `UIntNullable` INT(10) UNSIGNED, 
-  `ULongNullable` BIGINT(20) UNSIGNED, 
-  `DoubleNullable` DOUBLE, 
-  `FloatNullable` FLOAT, 
-  `DecimalNullable` DECIMAL(10,2), 
-  `TimeSpanNullable` TIME, 
-  `DateTimeNullable` DATETIME, 
-  `GuidNullable` VARCHAR(36), 
-  `Point` POINT, 
-  `LineString` LINESTRING, 
-  `Polygon` POLYGON, 
-  `MultiPoint` MULTIPOINT, 
-  `MultiLineString` MULTILINESTRING, 
-  `MultiPolygon` MULTIPOLYGON, 
-  `Enum1` ENUM('E1','E2','E3') NOT NULL, 
-  `Enum1Nullable` ENUM('E1','E2','E3'), 
-  `Enum2` SET('F1','F2','F3') NOT NULL, 
-  `Enum2Nullable` SET('F1','F2','F3'), 
-  PRIMARY KEY (`Id`)
-) Engine=InnoDB;
-", sql);
-            }
-
+            Assert.True(string.IsNullOrEmpty(sql)); //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>κ<EFBFBD>
             //sql = g.dameng.CodeFirst.GetComparisonDDLStatements<Tb_alltype>();
         }
 
@@ -272,6 +222,7 @@ namespace FreeSql.Tests.Odbc.Dameng
                 Short = short.MaxValue,
                 ShortNullable = short.MinValue,
                 String = "<22><><EFBFBD><EFBFBD><EFBFBD>й<EFBFBD><D0B9><EFBFBD>string'\\?!@#$%^&*()_+{}}{~?><<>",
+                Char = 'X',
                 TimeSpan = TimeSpan.FromSeconds(999),
                 TimeSpanNullable = TimeSpan.FromSeconds(60),
                 UInt = uint.MaxValue,
@@ -289,10 +240,12 @@ namespace FreeSql.Tests.Odbc.Dameng
             item2.Id = (int)insert.AppendData(item2).ExecuteIdentity();
             var newitem2 = select.Where(a => a.Id == item2.Id).ToOne();
             Assert.Equal(item2.String, newitem2.String);
+            Assert.Equal(item2.Char, newitem2.Char);
 
             item2.Id = (int)insert.NoneParameter().AppendData(item2).ExecuteIdentity();
             newitem2 = select.Where(a => a.Id == item2.Id).ToOne();
             Assert.Equal(item2.String, newitem2.String);
+            Assert.Equal(item2.Char, newitem2.Char);
 
             var items = select.ToList();
             var itemstb = select.ToDataTable();
@@ -323,6 +276,7 @@ namespace FreeSql.Tests.Odbc.Dameng
             public DateTime DateTimeOffSet { get; set; }
             public byte[] Bytes { get; set; }
             public string String { get; set; }
+            public char Char { get; set; }
             public Guid Guid { get; set; }
 
             public bool? BoolNullable { get; set; }

FreeSql.Tests/FreeSql.Tests.Provider.Odbc/Default/OdbcCodeFirstTest.cs

@@ -99,6 +99,7 @@ namespace FreeSql.Tests.Odbc.Default
                 testFieldShort = short.MaxValue,
                 testFieldShortNullable = short.MinValue,
                 testFieldString = "我是中国人string'\\?!@#$%^&*()_+{}}{~?><<>",
+                testFieldChar = 'X',
                 testFieldUInt = uint.MaxValue,
                 testFieldUIntNullable = uint.MinValue,
                 testFieldULong = ulong.MaxValue,
@@ -117,10 +118,12 @@ namespace FreeSql.Tests.Odbc.Default
             var item3 = insert.AppendData(item2).ExecuteIdentity();
             var newitem2 = select.Where(a => a.Id == item2.Id).ToOne();
             Assert.Equal(item2.testFieldString, newitem2.testFieldString);
+            Assert.Equal(item2.testFieldChar, newitem2.testFieldChar);
 
             item2.Id = (int)insert.NoneParameter().AppendData(item2).ExecuteIdentity();
             newitem2 = select.Where(a => a.Id == item2.Id).ToOne();
             Assert.Equal(item2.testFieldString, newitem2.testFieldString);
+            Assert.Equal(item2.testFieldChar, newitem2.testFieldChar);
 
             var items = select.ToList();
             var itemstb = select.ToDataTable();
@@ -148,6 +151,7 @@ namespace FreeSql.Tests.Odbc.Default
             public DateTime testFieldDateTime { get; set; }
             public byte[] testFieldBytes { get; set; }
             public string testFieldString { get; set; }
+            public char testFieldChar { get; set; }
             public Guid testFieldGuid { get; set; }
 
             public bool? testFieldBoolNullable { get; set; }

FreeSql.Tests/FreeSql.Tests.Provider.Odbc/KingbaseES/KingbaseESCodeFirstTest.cs

@@ -177,8 +177,8 @@ namespace FreeSql.Tests.Odbc.KingbaseES
         [Fact]
         public void GetComparisonDDLStatements()
         {
-
             var sql = g.kingbaseES.CodeFirst.GetComparisonDDLStatements<TableAllType>();
+            Assert.True(string.IsNullOrEmpty(sql)); //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>κ<EFBFBD>
             //sql = g.kingbaseES.CodeFirst.GetComparisonDDLStatements<Tb_alltype>();
         }
 
@@ -221,6 +221,7 @@ namespace FreeSql.Tests.Odbc.KingbaseES
                 Short = short.MaxValue,
                 ShortNullable = short.MinValue,
                 String = "<22><><EFBFBD><EFBFBD><EFBFBD>й<EFBFBD><D0B9><EFBFBD>string'\\?!@#$%^&*()_+{}}{~?><<>",
+                Char = 'X',
                 TimeSpan = TimeSpan.FromSeconds(999),
                 TimeSpanNullable = TimeSpan.FromSeconds(60),
                 UInt = uint.MaxValue,
@@ -255,19 +256,22 @@ namespace FreeSql.Tests.Odbc.KingbaseES
                 a.DateTimeOffSet,
                 a.Bytes,
                 a.String,
+                a.Char,
                 a.Guid
             });
             var newitem22 = select.Where(a => a.Id == item2.Id).First(a => new
             {
-                a.Id, a.id2, a.SByte, a.Short, a.Int, a.Long, a.Byte, a.UShort, a.UInt, a.ULong, a.Double, a.Float, a.Decimal, a.TimeSpan, a.DateTime, a.DateTimeOffSet, a.Bytes, a.String, a.Guid
+                a.Id, a.id2, a.SByte, a.Short, a.Int, a.Long, a.Byte, a.UShort, a.UInt, a.ULong, a.Double, a.Float, a.Decimal, a.TimeSpan, a.DateTime, a.DateTimeOffSet, a.Bytes, a.String, a.Char, a.Guid
             });
 
             var newitem2 = select.Where(a => a.Id == item2.Id).ToOne();
             Assert.Equal(item2.String, newitem2.String);
+            Assert.Equal(item2.Char, newitem2.Char);
 
             item2.Id = (int)insert.NoneParameter().AppendData(item2).ExecuteIdentity();
             newitem2 = select.Where(a => a.Id == item2.Id).ToOne();
             Assert.Equal(item2.String, newitem2.String);
+            Assert.Equal(item2.Char, newitem2.Char);
 
             var items = select.ToList();
             var itemstb = select.ToDataTable();
@@ -298,6 +302,7 @@ namespace FreeSql.Tests.Odbc.KingbaseES
             public DateTime DateTimeOffSet { get; set; }
             public byte[] Bytes { get; set; }
             public string String { get; set; }
+            public char Char { get; set; }
             public Guid Guid { get; set; }
 
             public bool? BoolNullable { get; set; }

FreeSql.Tests/FreeSql.Tests.Provider.Odbc/MySql/MySqlCodeFirstTest.cs

@@ -153,57 +153,7 @@ namespace FreeSql.Tests.Odbc.MySql
         {
 
             var sql = g.mysql.CodeFirst.GetComparisonDDLStatements<TableAllType>();
-            if (string.IsNullOrEmpty(sql) == false)
-            {
-                Assert.Equal(@"CREATE TABLE IF NOT EXISTS `cccddd`.`tb_alltype` ( 
-  `Id` INT(11) NOT NULL AUTO_INCREMENT, 
-  `testFieldBool` BIT(1) NOT NULL, 
-  `testFieldSByte` TINYINT(3) NOT NULL, 
-  `testFieldShort` SMALLINT(6) NOT NULL, 
-  `testFieldInt` INT(11) NOT NULL, 
-  `testFieldLong` BIGINT(20) NOT NULL, 
-  `testFieldByte` TINYINT(3) UNSIGNED NOT NULL, 
-  `testFieldUShort` SMALLINT(5) UNSIGNED NOT NULL, 
-  `testFieldUInt` INT(10) UNSIGNED NOT NULL, 
-  `testFieldULong` BIGINT(20) UNSIGNED NOT NULL, 
-  `testFieldDouble` DOUBLE NOT NULL, 
-  `testFieldFloat` FLOAT NOT NULL, 
-  `testFieldDecimal` DECIMAL(10,2) NOT NULL, 
-  `testFieldTimeSpan` TIME NOT NULL, 
-  `testFieldDateTime` DATETIME(3) NOT NULL, 
-  `testFieldBytes` VARBINARY(255), 
-  `testFieldString` VARCHAR(255), 
-  `testFieldGuid` VARCHAR(36), 
-  `testFieldBoolNullable` BIT(1), 
-  `testFieldSByteNullable` TINYINT(3), 
-  `testFieldShortNullable` SMALLINT(6), 
-  `testFieldIntNullable` INT(11), 
-  `testFielLongNullable` BIGINT(20), 
-  `testFieldByteNullable` TINYINT(3) UNSIGNED, 
-  `testFieldUShortNullable` SMALLINT(5) UNSIGNED, 
-  `testFieldUIntNullable` INT(10) UNSIGNED, 
-  `testFieldULongNullable` BIGINT(20) UNSIGNED, 
-  `testFieldDoubleNullable` DOUBLE, 
-  `testFieldFloatNullable` FLOAT, 
-  `testFieldDecimalNullable` DECIMAL(10,2), 
-  `testFieldTimeSpanNullable` TIME, 
-  `testFieldDateTimeNullable` DATETIME(3), 
-  `testFieldGuidNullable` VARCHAR(36), 
-  `testFieldPoint` POINT, 
-  `testFieldLineString` LINESTRING, 
-  `testFieldPolygon` POLYGON, 
-  `testFieldMultiPoint` MULTIPOINT, 
-  `testFieldMultiLineString` MULTILINESTRING, 
-  `testFieldMultiPolygon` MULTIPOLYGON, 
-  `testFieldEnum1` ENUM('E1','E2','E3') NOT NULL, 
-  `testFieldEnum1Nullable` ENUM('E1','E2','E3'), 
-  `testFieldEnum2` SET('F1','F2','F3') NOT NULL, 
-  `testFieldEnum2Nullable` SET('F1','F2','F3'), 
-  PRIMARY KEY (`Id`)
-) Engine=InnoDB;
-", sql);
-            }
-
+            Assert.True(string.IsNullOrEmpty(sql)); //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>κ<EFBFBD>
             sql = g.mysql.CodeFirst.GetComparisonDDLStatements<Tb_alltype>();
         }
 
@@ -246,6 +196,7 @@ namespace FreeSql.Tests.Odbc.MySql
                 testFieldShort = short.MaxValue,
                 testFieldShortNullable = short.MinValue,
                 testFieldString = "<22><><EFBFBD><EFBFBD><EFBFBD>й<EFBFBD><D0B9><EFBFBD>string'\\?!@#$%^&*()_+{}}{~?><<>",
+                testFieldChar = 'X',
                 testFieldTimeSpan = TimeSpan.FromSeconds(999),
                 testFieldTimeSpanNullable = TimeSpan.FromSeconds(60),
                 testFieldUInt = uint.MaxValue,
@@ -265,10 +216,12 @@ namespace FreeSql.Tests.Odbc.MySql
             item2.Id = (int)insert.AppendData(item2).ExecuteIdentity();
             var newitem2 = select.Where(a => a.Id == item2.Id).ToOne();
             Assert.Equal(item2.testFieldString, newitem2.testFieldString);
+            Assert.Equal(item2.testFieldChar, newitem2.testFieldChar);
 
             item2.Id = (int)insert.NoneParameter().AppendData(item2).ExecuteIdentity();
             newitem2 = select.Where(a => a.Id == item2.Id).ToOne();
             Assert.Equal(item2.testFieldString, newitem2.testFieldString);
+            Assert.Equal(item2.testFieldChar, newitem2.testFieldChar);
 
             var items = select.ToList();
             var itemstb = select.ToDataTable();
@@ -391,6 +344,10 @@ namespace FreeSql.Tests.Odbc.MySql
             public string TestFieldString { get; set; }
 
 
+            [JsonProperty, Column(Name = "testFieldChar", DbType = "char(1)", IsNullable = true)]
+            public char testFieldChar { get; set; }
+
+
             [JsonProperty, Column(Name = "testFieldTimeSpan", DbType = "time")]
             public TimeSpan TestFieldTimeSpan { get; set; }
 
@@ -492,6 +449,7 @@ namespace FreeSql.Tests.Odbc.MySql
             public DateTime testFieldDateTime { get; set; }
             public byte[] testFieldBytes { get; set; }
             public string testFieldString { get; set; }
+            public char testFieldChar { get; set; }
             public Guid testFieldGuid { get; set; }
 
             public bool? testFieldBoolNullable { get; set; }

FreeSql.Tests/FreeSql.Tests.Provider.Odbc/Oracle/OracleCodeFirstTest.cs

@@ -176,59 +176,8 @@ namespace FreeSql.Tests.Odbc.Oracle
         [Fact]
         public void GetComparisonDDLStatements()
         {
-
             var sql = g.oracle.CodeFirst.GetComparisonDDLStatements<TableAllType>();
-            if (string.IsNullOrEmpty(sql) == false)
-            {
-                Assert.Equal(@"CREATE TABLE IF NOT EXISTS `cccddd`.`tb_alltype` ( 
-  `Id` INT(11) NOT NULL AUTO_INCREMENT, 
-  `Bool` BIT(1) NOT NULL, 
-  `SByte` TINYINT(3) NOT NULL, 
-  `Short` SMALLINT(6) NOT NULL, 
-  `Int` INT(11) NOT NULL, 
-  `Long` BIGINT(20) NOT NULL, 
-  `Byte` TINYINT(3) UNSIGNED NOT NULL, 
-  `UShort` SMALLINT(5) UNSIGNED NOT NULL, 
-  `UInt` INT(10) UNSIGNED NOT NULL, 
-  `ULong` BIGINT(20) UNSIGNED NOT NULL, 
-  `Double` DOUBLE NOT NULL, 
-  `Float` FLOAT NOT NULL, 
-  `Decimal` DECIMAL(10,2) NOT NULL, 
-  `TimeSpan` TIME NOT NULL, 
-  `DateTime` DATETIME NOT NULL, 
-  `Bytes` VARBINARY(255), 
-  `String` VARCHAR(255), 
-  `Guid` VARCHAR(36), 
-  `BoolNullable` BIT(1), 
-  `SByteNullable` TINYINT(3), 
-  `ShortNullable` SMALLINT(6), 
-  `IntNullable` INT(11), 
-  `testFielLongNullable` BIGINT(20), 
-  `ByteNullable` TINYINT(3) UNSIGNED, 
-  `UShortNullable` SMALLINT(5) UNSIGNED, 
-  `UIntNullable` INT(10) UNSIGNED, 
-  `ULongNullable` BIGINT(20) UNSIGNED, 
-  `DoubleNullable` DOUBLE, 
-  `FloatNullable` FLOAT, 
-  `DecimalNullable` DECIMAL(10,2), 
-  `TimeSpanNullable` TIME, 
-  `DateTimeNullable` DATETIME, 
-  `GuidNullable` VARCHAR(36), 
-  `Point` POINT, 
-  `LineString` LINESTRING, 
-  `Polygon` POLYGON, 
-  `MultiPoint` MULTIPOINT, 
-  `MultiLineString` MULTILINESTRING, 
-  `MultiPolygon` MULTIPOLYGON, 
-  `Enum1` ENUM('E1','E2','E3') NOT NULL, 
-  `Enum1Nullable` ENUM('E1','E2','E3'), 
-  `Enum2` SET('F1','F2','F3') NOT NULL, 
-  `Enum2Nullable` SET('F1','F2','F3'), 
-  PRIMARY KEY (`Id`)
-) Engine=InnoDB;
-", sql);
-            }
-
+            Assert.True(string.IsNullOrEmpty(sql)); //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>κ<EFBFBD>
             //sql = g.oracle.CodeFirst.GetComparisonDDLStatements<Tb_alltype>();
         }
 
@@ -239,7 +188,17 @@ namespace FreeSql.Tests.Odbc.Oracle
         public void CurdAllField()
         {
             var item = new TableAllType { };
-            item.Id = (int)insert.AppendData(item).ExecuteIdentity();
+            for (var a = 0; a < 100; a++)
+            {
+                try //ERROR [23000] [Oracle][ODBC][Ora]ORA-00001: Υ<><CEA5>ΨһԼ<D2BB><D4BC><EFBFBD><EFBFBD><EFBFBD><EFBFBD> (1ODBC.1ODBC_TB_ALLTYPE_pk2)
+                {
+                    item.Id = (int)insert.AppendData(item).ExecuteIdentity();
+                    break;
+                }
+                catch
+                {
+                }
+            }
 
             var newitem = select.Where(a => a.Id == item.Id).ToOne();
 
@@ -271,6 +230,7 @@ namespace FreeSql.Tests.Odbc.Oracle
                 Short = short.MaxValue,
                 ShortNullable = short.MinValue,
                 String = "<22><><EFBFBD><EFBFBD><EFBFBD>й<EFBFBD><D0B9><EFBFBD>string'\\?!@#$%^&*()_+{}}{~?><<>",
+                Char = 'X',
                 TimeSpan = TimeSpan.FromSeconds(999),
                 TimeSpanNullable = TimeSpan.FromSeconds(60),
                 UInt = uint.MaxValue,
@@ -288,10 +248,12 @@ namespace FreeSql.Tests.Odbc.Oracle
             item2.Id = (int)insert.AppendData(item2).ExecuteIdentity();
             var newitem2 = select.Where(a => a.Id == item2.Id).ToOne();
             Assert.Equal(item2.String, newitem2.String);
+            Assert.Equal(item2.Char, newitem2.Char);
 
             item2.Id = (int)insert.NoneParameter().AppendData(item2).ExecuteIdentity();
             newitem2 = select.Where(a => a.Id == item2.Id).ToOne();
             Assert.Equal(item2.String, newitem2.String);
+            Assert.Equal(item2.Char, newitem2.Char);
 
             var items = select.ToList();
             var itemstb = select.ToDataTable();
@@ -322,6 +284,7 @@ namespace FreeSql.Tests.Odbc.Oracle
             public DateTime DateTimeOffSet { get; set; }
             public byte[] Bytes { get; set; }
             public string String { get; set; }
+            public char Char { get; set; }
             public Guid Guid { get; set; }
 
             public bool? BoolNullable { get; set; }

FreeSql.Tests/FreeSql.Tests.Provider.Odbc/PostgreSQL/PostgreSQLCodeFirstTest.cs

@@ -105,8 +105,8 @@ namespace FreeSql.Tests.Odbc.PostgreSQL
         public void AddField()
         {
             var sql = g.pgsql.CodeFirst.GetComparisonDDLStatements<TopicAddField>();
+            Assert.True(string.IsNullOrEmpty(sql)); //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>κ<EFBFBD>
             g.pgsql.Select<TopicAddField>();
-
             var id = g.pgsql.Insert<TopicAddField>().AppendData(new TopicAddField { }).ExecuteIdentity();
         }
 
@@ -184,6 +184,7 @@ namespace FreeSql.Tests.Odbc.PostgreSQL
                 testFieldShort = short.MaxValue,
                 testFieldShortNullable = short.MinValue,
                 testFieldString = "<22><><EFBFBD><EFBFBD><EFBFBD>й<EFBFBD><D0B9><EFBFBD>string'\\?!@#$%^&*()_+{}}{~?><<>",
+                testFieldChar = 'X',
                 testFieldTimeSpan = TimeSpan.FromDays(1),
                 testFieldTimeSpanNullable = TimeSpan.FromSeconds(90),
                 testFieldUInt = uint.MaxValue,
@@ -202,10 +203,12 @@ namespace FreeSql.Tests.Odbc.PostgreSQL
             var item3 = insert.AppendData(item2).ExecuteInserted().First();
             var newitem2 = select.Where(a => a.Id == item3.Id).ToOne();
             Assert.Equal(item2.testFieldString, newitem2.testFieldString);
+            Assert.Equal(item2.testFieldChar, newitem2.testFieldChar);
 
             item3 = insert.NoneParameter().AppendData(item2).ExecuteInserted().First();
             newitem2 = select.Where(a => a.Id == item3.Id).ToOne();
             Assert.Equal(item2.testFieldString, newitem2.testFieldString);
+            Assert.Equal(item2.testFieldChar, newitem2.testFieldChar);
 
             var items = select.ToList();
             var itemstb = select.ToDataTable();
@@ -233,6 +236,7 @@ namespace FreeSql.Tests.Odbc.PostgreSQL
             public DateTime testFieldDateTime { get; set; }
             public byte[] testFieldBytes { get; set; }
             public string testFieldString { get; set; }
+            public char testFieldChar { get; set; }
             public Guid testFieldGuid { get; set; }
 
             public bool? testFieldBoolNullable { get; set; }

FreeSql.Tests/FreeSql.Tests.Provider.Odbc/SqlServer/SqlServerCodeFirstTest.cs

@@ -166,9 +166,8 @@ namespace FreeSql.Tests.Odbc.SqlServer
         [Fact]
         public void GetComparisonDDLStatements()
         {
-
             var sql = g.sqlserver.CodeFirst.GetComparisonDDLStatements<TableAllType>();
-
+            Assert.True(string.IsNullOrEmpty(sql)); //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>κ<EFBFBD>
             sql = g.sqlserver.CodeFirst.GetComparisonDDLStatements<Tb_alltype>();
         }
 
@@ -214,6 +213,7 @@ namespace FreeSql.Tests.Odbc.SqlServer
                 testFieldShort = short.MaxValue,
                 testFieldShortNullable = short.MinValue,
                 testFieldString = "<22><><EFBFBD><EFBFBD><EFBFBD>й<EFBFBD><D0B9><EFBFBD>string'\\?!@#$%^&*()_+{}}{~?><<>",
+                testFieldChar = 'X',
                 testFieldTimeSpan = TimeSpan.FromSeconds(999),
                 testFieldTimeSpanNullable = TimeSpan.FromSeconds(30),
                 testFieldUInt = uint.MaxValue,
@@ -234,10 +234,12 @@ namespace FreeSql.Tests.Odbc.SqlServer
             var item3 = insert.AppendData(item2).ExecuteInserted();
             var newitem2 = select.Where(a => a.Id == item3[0].Id).ToOne();
             Assert.Equal(item2.testFieldString, newitem2.testFieldString);
+            Assert.Equal(item2.testFieldChar, newitem2.testFieldChar);
 
             item3 = insert.NoneParameter().AppendData(item2).ExecuteInserted();
             newitem2 = select.Where(a => a.Id == item3[0].Id).ToOne();
             Assert.Equal(item2.testFieldString, newitem2.testFieldString);
+            Assert.Equal(item2.testFieldChar, newitem2.testFieldChar);
 
             var items = select.ToList();
             var itemstb = select.ToDataTable();
@@ -367,6 +369,10 @@ namespace FreeSql.Tests.Odbc.SqlServer
             public string TestFieldString { get; set; }
 
 
+            [JsonProperty, Column(Name = "testFieldChar", DbType = "char(1)", IsNullable = true)]
+            public char testFieldChar { get; set; }
+
+
             [JsonProperty, Column(Name = "testFieldTimeSpan", DbType = "time")]
             public TimeSpan TestFieldTimeSpan { get; set; }
 
@@ -427,6 +433,7 @@ namespace FreeSql.Tests.Odbc.SqlServer
             public DateTimeOffset testFieldDateTimeOffset { get; set; }
             public byte[] testFieldBytes { get; set; }
             public string testFieldString { get; set; }
+            public char testFieldChar { get; set; }
             public Guid testFieldGuid { get; set; }
 
             public bool? testFieldBoolNullable { get; set; }

FreeSql.Tests/FreeSql.Tests.Provider.PostgreSQL.NetTopologySuite/PostgreSQL/PostgreSQLCodeFirstTest.cs

@@ -22,8 +22,8 @@ namespace FreeSql.Tests.PostgreSQL.NetTopologySuite
         [Fact]
         public void GetComparisonDDLStatements()
         {
-
             var sql = g.pgsql.CodeFirst.GetComparisonDDLStatements<TableAllType>();
+            Assert.True(string.IsNullOrEmpty(sql)); //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>κ<EFBFBD>
             g.pgsql.Select<TableAllType>();
         }
 
@@ -230,6 +230,7 @@ namespace FreeSql.Tests.PostgreSQL.NetTopologySuite
                 testFieldShortArrayNullable = new short?[] { 1, 2, 3, null, 4, 5 },
                 testFieldShortNullable = short.MinValue,
                 testFieldString = "<22><><EFBFBD><EFBFBD><EFBFBD>й<EFBFBD><D0B9><EFBFBD>string'\\?!@#$%^&*()_+{}}{~?><<>",
+                testFieldChar = 'X',
                 testFieldStringArray = new[] { "<22><><EFBFBD><EFBFBD><EFBFBD>й<EFBFBD><D0B9><EFBFBD>String1", "<22><><EFBFBD><EFBFBD><EFBFBD>й<EFBFBD><D0B9><EFBFBD>String2", null, "<22><><EFBFBD><EFBFBD><EFBFBD>й<EFBFBD><D0B9><EFBFBD>String3" },
                 testFieldTimeSpan = TimeSpan.FromDays(1),
                 testFieldTimeSpanArray = new[] { TimeSpan.FromDays(1), TimeSpan.FromSeconds(10), TimeSpan.FromSeconds(60) },
@@ -262,10 +263,12 @@ namespace FreeSql.Tests.PostgreSQL.NetTopologySuite
             var item3 = insert.AppendData(item2).ExecuteInserted().First();
             var newitem2 = select.Where(a => a.Id == item3.Id && object.Equals(a.testFieldJToken["a"], "1")).ToOne();
             Assert.Equal(item2.testFieldString, newitem2.testFieldString);
+            Assert.Equal(item2.testFieldChar, newitem2.testFieldChar);
 
             item3 = insert.NoneParameter().AppendData(item2).ExecuteInserted().First();
             newitem2 = select.Where(a => a.Id == item3.Id && object.Equals(a.testFieldJToken["a"], "1")).ToOne();
             Assert.Equal(item2.testFieldString, newitem2.testFieldString);
+            Assert.Equal(item2.testFieldChar, newitem2.testFieldChar);
 
             var items = select.ToList();
             var itemstb = select.ToDataTable();
@@ -296,6 +299,7 @@ namespace FreeSql.Tests.PostgreSQL.NetTopologySuite
 
             public byte[] testFieldBytes { get; set; }
             public string testFieldString { get; set; }
+            public char testFieldChar { get; set; }
             public Guid testFieldGuid { get; set; }
             public NpgsqlPoint testFieldNpgsqlPoint { get; set; }
             public NpgsqlLine testFieldNpgsqlLine { get; set; }

FreeSql.Tests/FreeSql.Tests/Dameng/DamengCodeFirstTest.cs

@@ -247,59 +247,8 @@ namespace FreeSql.Tests.Dameng
         [Fact]
         public void GetComparisonDDLStatements()
         {
-
             var sql = g.dameng.CodeFirst.GetComparisonDDLStatements<TableAllType>();
-            if (string.IsNullOrEmpty(sql) == false)
-            {
-                Assert.Equal(@"CREATE TABLE IF NOT EXISTS `cccddd`.`tb_alltype` ( 
-  `Id` INT(11) NOT NULL AUTO_INCREMENT, 
-  `Bool` BIT(1) NOT NULL, 
-  `SByte` TINYINT(3) NOT NULL, 
-  `Short` SMALLINT(6) NOT NULL, 
-  `Int` INT(11) NOT NULL, 
-  `Long` BIGINT(20) NOT NULL, 
-  `Byte` TINYINT(3) UNSIGNED NOT NULL, 
-  `UShort` SMALLINT(5) UNSIGNED NOT NULL, 
-  `UInt` INT(10) UNSIGNED NOT NULL, 
-  `ULong` BIGINT(20) UNSIGNED NOT NULL, 
-  `Double` DOUBLE NOT NULL, 
-  `Float` FLOAT NOT NULL, 
-  `Decimal` DECIMAL(10,2) NOT NULL, 
-  `TimeSpan` TIME NOT NULL, 
-  `DateTime` DATETIME NOT NULL, 
-  `Bytes` VARBINARY(255), 
-  `String` VARCHAR(255), 
-  `Guid` VARCHAR(36), 
-  `BoolNullable` BIT(1), 
-  `SByteNullable` TINYINT(3), 
-  `ShortNullable` SMALLINT(6), 
-  `IntNullable` INT(11), 
-  `testFielLongNullable` BIGINT(20), 
-  `ByteNullable` TINYINT(3) UNSIGNED, 
-  `UShortNullable` SMALLINT(5) UNSIGNED, 
-  `UIntNullable` INT(10) UNSIGNED, 
-  `ULongNullable` BIGINT(20) UNSIGNED, 
-  `DoubleNullable` DOUBLE, 
-  `FloatNullable` FLOAT, 
-  `DecimalNullable` DECIMAL(10,2), 
-  `TimeSpanNullable` TIME, 
-  `DateTimeNullable` DATETIME, 
-  `GuidNullable` VARCHAR(36), 
-  `Point` POINT, 
-  `LineString` LINESTRING, 
-  `Polygon` POLYGON, 
-  `MultiPoint` MULTIPOINT, 
-  `MultiLineString` MULTILINESTRING, 
-  `MultiPolygon` MULTIPOLYGON, 
-  `Enum1` ENUM('E1','E2','E3') NOT NULL, 
-  `Enum1Nullable` ENUM('E1','E2','E3'), 
-  `Enum2` SET('F1','F2','F3') NOT NULL, 
-  `Enum2Nullable` SET('F1','F2','F3'), 
-  PRIMARY KEY (`Id`)
-) Engine=InnoDB;
-", sql);
-            }
-
+            Assert.True(string.IsNullOrEmpty(sql)); //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>κ<EFBFBD>
             //sql = g.dameng.CodeFirst.GetComparisonDDLStatements<Tb_alltype>();
         }
 
@@ -338,6 +287,7 @@ namespace FreeSql.Tests.Dameng
                 Short = short.MaxValue,
                 ShortNullable = short.MinValue,
                 String = "<22><><EFBFBD><EFBFBD><EFBFBD>й<EFBFBD><D0B9><EFBFBD>string'\\?!@#$%^&*()_+{}}{~?><<>",
+                Char = 'X',
                 TimeSpan = TimeSpan.FromSeconds(999),
                 TimeSpanNullable = TimeSpan.FromSeconds(60),
                 UInt = uint.MaxValue,
@@ -355,10 +305,12 @@ namespace FreeSql.Tests.Dameng
             item2.Id = (int)insert.AppendData(item2).ExecuteIdentity();
             var newitem2 = select.Where(a => a.Id == item2.Id).ToOne();
             Assert.Equal(item2.String, newitem2.String);
+            Assert.Equal(item2.Char, newitem2.Char);
 
             item2.Id = (int)insert.NoneParameter().AppendData(item2).ExecuteIdentity();
             newitem2 = select.Where(a => a.Id == item2.Id).ToOne();
             Assert.Equal(item2.String, newitem2.String);
+            Assert.Equal(item2.Char, newitem2.Char);
 
             var items = select.ToList();
             var itemstb = select.ToDataTable();
@@ -389,6 +341,7 @@ namespace FreeSql.Tests.Dameng
             public DateTime DateTimeOffSet { get; set; }
             public byte[] Bytes { get; set; }
             public string String { get; set; }
+            public char Char { get; set; }
             public Guid Guid { get; set; }
 
             public bool? BoolNullable { get; set; }

FreeSql.Tests/FreeSql.Tests/MsAccess/MsAccessCodeFirstTest.cs

@@ -177,54 +177,7 @@ namespace FreeSql.Tests.MsAccess
         {
 
             var sql = g.msaccess.CodeFirst.GetComparisonDDLStatements<TableAllType>();
-            if (string.IsNullOrEmpty(sql) == false)
-            {
-                Assert.Equal(@"CREATE TABLE [tb_alltype] (  
-  [Id] AUTOINCREMENT, 
-  [Bool] BIT NOT NULL, 
-  [SByte] DECIMAL(3,0) NOT NULL, 
-  [Short] DECIMAL(6,0) NOT NULL, 
-  [Int] DECIMAL(11,0) NOT NULL, 
-  [Long] DECIMAL(20,0) NOT NULL, 
-  [Byte] DECIMAL(3,0) NOT NULL, 
-  [UShort] DECIMAL(5,0) NOT NULL, 
-  [UInt] DECIMAL(10,0) NOT NULL, 
-  [ULong] DECIMAL(20,0) NOT NULL, 
-  [Double] DOUBLE NOT NULL, 
-  [Float] SINGLE NOT NULL, 
-  [Decimal] DECIMAL(10,2) NOT NULL, 
-  [TimeSpan] TIME NOT NULL, 
-  [DateTime] DATETIME NOT NULL, 
-  [DateTimeOffSet] DATETIME NOT NULL, 
-  [Bytes] BINARY(255), 
-  [String] VARCHAR(255), 
-  [Guid] VARCHAR(36) NOT NULL, 
-  [BoolNullable] BIT, 
-  [SByteNullable] DECIMAL(3,0), 
-  [ShortNullable] DECIMAL(6,0), 
-  [IntNullable] DECIMAL(11,0), 
-  [testFielLongNullable] DECIMAL(20,0), 
-  [ByteNullable] DECIMAL(3,0), 
-  [UShortNullable] DECIMAL(5,0), 
-  [UIntNullable] DECIMAL(10,0), 
-  [ULongNullable] DECIMAL(20,0), 
-  [DoubleNullable] DOUBLE, 
-  [FloatNullable] SINGLE, 
-  [DecimalNullable] DECIMAL(10,2), 
-  [TimeSpanNullable] TIME, 
-  [DateTimeNullable] DATETIME, 
-  [DateTimeOffSetNullable] DATETIME, 
-  [GuidNullable] VARCHAR(36), 
-  [Enum1] DECIMAL(11,0) NOT NULL, 
-  [Enum1Nullable] DECIMAL(11,0), 
-  [Enum2] DECIMAL(20,0) NOT NULL, 
-  [Enum2Nullable] DECIMAL(20,0), 
-  PRIMARY KEY ([Id])
-) 
-;
-", sql);
-            }
-
+            Assert.True(string.IsNullOrEmpty(sql)); //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>κ<EFBFBD>
             //sql = g.msaccess.CodeFirst.GetComparisonDDLStatements<Tb_alltype>();
         }
 
@@ -267,6 +220,7 @@ namespace FreeSql.Tests.MsAccess
                 Short = short.MaxValue,
                 ShortNullable = short.MinValue,
                 String = "<22><><EFBFBD><EFBFBD><EFBFBD>й<EFBFBD><D0B9><EFBFBD>string'\\?!@#$%^&*()_+{}}{~?><<>",
+                Char = 'X',
                 TimeSpan = TimeSpan.FromSeconds(999),
                 TimeSpanNullable = TimeSpan.FromSeconds(60),
                 UInt = uint.MaxValue,
@@ -280,10 +234,12 @@ namespace FreeSql.Tests.MsAccess
             item2.Id = (int)insert.AppendData(item2).ExecuteIdentity();
             var newitem2 = select.Where(a => a.Id == item2.Id).ToOne();
             Assert.Equal(item2.String, newitem2.String);
+            Assert.Equal(item2.Char, newitem2.Char);
 
             item2.Id = (int)insert.NoneParameter().AppendData(item2).ExecuteIdentity();
             newitem2 = select.Where(a => a.Id == item2.Id).ToOne();
             Assert.Equal(item2.String, newitem2.String);
+            Assert.Equal(item2.Char, newitem2.Char);
 
             var items = select.ToList();
             var itemstb = select.ToDataTable();
@@ -318,6 +274,7 @@ namespace FreeSql.Tests.MsAccess
 
             public byte[] Bytes { get; set; }
             public string String { get; set; }
+            public char Char { get; set; }
             public Guid Guid { get; set; }
 
             public bool? BoolNullable { get; set; }

FreeSql.Tests/FreeSql.Tests/MySql/MySqlCodeFirstTest.cs

@@ -281,57 +281,7 @@ namespace FreeSql.Tests.MySql
         {
 
             var sql = g.mysql.CodeFirst.GetComparisonDDLStatements<TableAllType>();
-            if (string.IsNullOrEmpty(sql) == false)
-            {
-                Assert.Equal(@"CREATE TABLE IF NOT EXISTS `cccddd`.`tb_alltype` ( 
-  `Id` INT(11) NOT NULL AUTO_INCREMENT, 
-  `testFieldBool` BIT(1) NOT NULL, 
-  `testFieldSByte` TINYINT(3) NOT NULL, 
-  `testFieldShort` SMALLINT(6) NOT NULL, 
-  `testFieldInt` INT(11) NOT NULL, 
-  `testFieldLong` BIGINT(20) NOT NULL, 
-  `testFieldByte` TINYINT(3) UNSIGNED NOT NULL, 
-  `testFieldUShort` SMALLINT(5) UNSIGNED NOT NULL, 
-  `testFieldUInt` INT(10) UNSIGNED NOT NULL, 
-  `testFieldULong` BIGINT(20) UNSIGNED NOT NULL, 
-  `testFieldDouble` DOUBLE NOT NULL, 
-  `testFieldFloat` FLOAT NOT NULL, 
-  `testFieldDecimal` DECIMAL(10,2) NOT NULL, 
-  `testFieldTimeSpan` TIME NOT NULL, 
-  `testFieldDateTime` DATETIME(3) NOT NULL, 
-  `testFieldBytes` VARBINARY(255), 
-  `testFieldString` VARCHAR(255), 
-  `testFieldGuid` VARCHAR(36), 
-  `testFieldBoolNullable` BIT(1), 
-  `testFieldSByteNullable` TINYINT(3), 
-  `testFieldShortNullable` SMALLINT(6), 
-  `testFieldIntNullable` INT(11), 
-  `testFielLongNullable` BIGINT(20), 
-  `testFieldByteNullable` TINYINT(3) UNSIGNED, 
-  `testFieldUShortNullable` SMALLINT(5) UNSIGNED, 
-  `testFieldUIntNullable` INT(10) UNSIGNED, 
-  `testFieldULongNullable` BIGINT(20) UNSIGNED, 
-  `testFieldDoubleNullable` DOUBLE, 
-  `testFieldFloatNullable` FLOAT, 
-  `testFieldDecimalNullable` DECIMAL(10,2), 
-  `testFieldTimeSpanNullable` TIME, 
-  `testFieldDateTimeNullable` DATETIME(3), 
-  `testFieldGuidNullable` VARCHAR(36), 
-  `testFieldPoint` POINT, 
-  `testFieldLineString` LINESTRING, 
-  `testFieldPolygon` POLYGON, 
-  `testFieldMultiPoint` MULTIPOINT, 
-  `testFieldMultiLineString` MULTILINESTRING, 
-  `testFieldMultiPolygon` MULTIPOLYGON, 
-  `testFieldEnum1` ENUM('E1','E2','E3') NOT NULL, 
-  `testFieldEnum1Nullable` ENUM('E1','E2','E3'), 
-  `testFieldEnum2` SET('F1','F2','F3') NOT NULL, 
-  `testFieldEnum2Nullable` SET('F1','F2','F3'), 
-  PRIMARY KEY (`Id`)
-) Engine=InnoDB;
-", sql);
-            }
-
+            Assert.True(string.IsNullOrEmpty(sql)); //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>κ<EFBFBD>
             sql = g.mysql.CodeFirst.GetComparisonDDLStatements<Tb_alltype>();
         }
 
@@ -397,6 +347,7 @@ namespace FreeSql.Tests.MySql
                 testFieldShort = short.MaxValue,
                 testFieldShortNullable = short.MinValue,
                 testFieldString = "<22><><EFBFBD><EFBFBD><EFBFBD>й<EFBFBD><D0B9><EFBFBD>string'\\?!@#$%^&*()_+{}}{~?><<>",
+                testFieldChar = 'X',
                 testFieldTimeSpan = TimeSpan.FromSeconds(999),
                 testFieldTimeSpanNullable = TimeSpan.FromSeconds(60),
                 testFieldUInt = uint.MaxValue,
@@ -416,10 +367,12 @@ namespace FreeSql.Tests.MySql
             item2.Id = (int)insert.AppendData(item2).ExecuteIdentity();
             var newitem2 = select.Where(a => a.Id == item2.Id).ToOne();
             Assert.Equal(item2.testFieldString, newitem2.testFieldString);
+            Assert.Equal(item2.testFieldChar, newitem2.testFieldChar);
 
             item2.Id = (int)insert.NoneParameter().AppendData(item2).ExecuteIdentity();
             newitem2 = select.Where(a => a.Id == item2.Id).ToOne();
             Assert.Equal(item2.testFieldString, newitem2.testFieldString);
+            Assert.Equal(item2.testFieldChar, newitem2.testFieldChar);
 
             var items = select.ToList();
             var itemstb = select.ToDataTable();
@@ -566,6 +519,10 @@ namespace FreeSql.Tests.MySql
             public string TestFieldString { get; set; }
 
 
+            [JsonProperty, Column(Name = "testFieldChar", DbType = "char(1)", IsNullable = true)]
+            public char testFieldChar { get; set; }
+
+
             [JsonProperty, Column(Name = "testFieldTimeSpan", DbType = "time")]
             public TimeSpan TestFieldTimeSpan { get; set; }
 
@@ -670,6 +627,7 @@ namespace FreeSql.Tests.MySql
 
             public byte[] testFieldBytes { get; set; }
             public string testFieldString { get; set; }
+            public char testFieldChar { get; set; }
             public Guid testFieldGuid { get; set; }
 
             public bool? testFieldBoolNullable { get; set; }

FreeSql.Tests/FreeSql.Tests/Oracle/OracleCodeFirstTest.cs

@@ -279,57 +279,7 @@ namespace FreeSql.Tests.Oracle
         {
 
             var sql = g.oracle.CodeFirst.GetComparisonDDLStatements<TableAllType>();
-            if (string.IsNullOrEmpty(sql) == false)
-            {
-                Assert.Equal(@"CREATE TABLE IF NOT EXISTS `cccddd`.`tb_alltype` ( 
-  `Id` INT(11) NOT NULL AUTO_INCREMENT, 
-  `Bool` BIT(1) NOT NULL, 
-  `SByte` TINYINT(3) NOT NULL, 
-  `Short` SMALLINT(6) NOT NULL, 
-  `Int` INT(11) NOT NULL, 
-  `Long` BIGINT(20) NOT NULL, 
-  `Byte` TINYINT(3) UNSIGNED NOT NULL, 
-  `UShort` SMALLINT(5) UNSIGNED NOT NULL, 
-  `UInt` INT(10) UNSIGNED NOT NULL, 
-  `ULong` BIGINT(20) UNSIGNED NOT NULL, 
-  `Double` DOUBLE NOT NULL, 
-  `Float` FLOAT NOT NULL, 
-  `Decimal` DECIMAL(10,2) NOT NULL, 
-  `TimeSpan` TIME NOT NULL, 
-  `DateTime` DATETIME NOT NULL, 
-  `Bytes` VARBINARY(255), 
-  `String` VARCHAR(255), 
-  `Guid` VARCHAR(36), 
-  `BoolNullable` BIT(1), 
-  `SByteNullable` TINYINT(3), 
-  `ShortNullable` SMALLINT(6), 
-  `IntNullable` INT(11), 
-  `testFielLongNullable` BIGINT(20), 
-  `ByteNullable` TINYINT(3) UNSIGNED, 
-  `UShortNullable` SMALLINT(5) UNSIGNED, 
-  `UIntNullable` INT(10) UNSIGNED, 
-  `ULongNullable` BIGINT(20) UNSIGNED, 
-  `DoubleNullable` DOUBLE, 
-  `FloatNullable` FLOAT, 
-  `DecimalNullable` DECIMAL(10,2), 
-  `TimeSpanNullable` TIME, 
-  `DateTimeNullable` DATETIME, 
-  `GuidNullable` VARCHAR(36), 
-  `Point` POINT, 
-  `LineString` LINESTRING, 
-  `Polygon` POLYGON, 
-  `MultiPoint` MULTIPOINT, 
-  `MultiLineString` MULTILINESTRING, 
-  `MultiPolygon` MULTIPOLYGON, 
-  `Enum1` ENUM('E1','E2','E3') NOT NULL, 
-  `Enum1Nullable` ENUM('E1','E2','E3'), 
-  `Enum2` SET('F1','F2','F3') NOT NULL, 
-  `Enum2Nullable` SET('F1','F2','F3'), 
-  PRIMARY KEY (`Id`)
-) Engine=InnoDB;
-", sql);
-            }
-
+            Assert.True(string.IsNullOrEmpty(sql)); //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>κ<EFBFBD>
             //sql = g.oracle.CodeFirst.GetComparisonDDLStatements<Tb_alltype>();
         }
 
@@ -372,6 +322,7 @@ namespace FreeSql.Tests.Oracle
                 Short = short.MaxValue,
                 ShortNullable = short.MinValue,
                 String = "<22><><EFBFBD><EFBFBD><EFBFBD>й<EFBFBD><D0B9><EFBFBD>string'\\?!@#$%^&*()_+{}}{~?><<>",
+                Char = 'X',
                 TimeSpan = TimeSpan.FromSeconds(999),
                 TimeSpanNullable = TimeSpan.FromSeconds(60),
                 UInt = uint.MaxValue,
@@ -389,10 +340,12 @@ namespace FreeSql.Tests.Oracle
             item2.Id = (int)insert.AppendData(item2).ExecuteIdentity();
             var newitem2 = select.Where(a => a.Id == item2.Id).ToOne();
             Assert.Equal(item2.String, newitem2.String);
+            Assert.Equal(item2.Char, newitem2.Char);
 
             item2.Id = (int)insert.NoneParameter().AppendData(item2).ExecuteIdentity();
             newitem2 = select.Where(a => a.Id == item2.Id).ToOne();
             Assert.Equal(item2.String, newitem2.String);
+            Assert.Equal(item2.Char, newitem2.Char);
 
             var items = select.ToList();
             var itemstb = select.ToDataTable();
@@ -427,6 +380,7 @@ namespace FreeSql.Tests.Oracle
 
             public byte[] Bytes { get; set; }
             public string String { get; set; }
+            public char Char { get; set; }
             public Guid Guid { get; set; }
 
             public bool? BoolNullable { get; set; }

FreeSql.Tests/FreeSql.Tests/PostgreSQL/PostgreSQLCodeFirstTest.cs

@@ -145,8 +145,8 @@ namespace FreeSql.Tests.PostgreSQL
         public void AddField()
         {
             var sql = g.pgsql.CodeFirst.GetComparisonDDLStatements<TopicAddField>();
+            Assert.True(string.IsNullOrEmpty(sql)); //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>κ<EFBFBD>
             g.pgsql.Select<TopicAddField>();
-
             var id = g.pgsql.Insert<TopicAddField>().AppendData(new TopicAddField { }).ExecuteIdentity();
         }
 
@@ -388,6 +388,7 @@ namespace FreeSql.Tests.PostgreSQL
                 testFieldShortArrayNullable = new short?[] { 1, 2, 3, null, 4, 5 },
                 testFieldShortNullable = short.MinValue,
                 testFieldString = "<22><><EFBFBD><EFBFBD><EFBFBD>й<EFBFBD><D0B9><EFBFBD>string'\\?!@#$%^&*()_+{}}{~?><<>",
+                testFieldChar = 'X',
                 testFieldStringArray = new[] { "<22><><EFBFBD><EFBFBD><EFBFBD>й<EFBFBD><D0B9><EFBFBD>String1", "<22><><EFBFBD><EFBFBD><EFBFBD>й<EFBFBD><D0B9><EFBFBD>String2", null, "<22><><EFBFBD><EFBFBD><EFBFBD>й<EFBFBD><D0B9><EFBFBD>String3" },
                 testFieldTimeSpan = TimeSpan.FromDays(1),
                 testFieldTimeSpanArray = new[] { TimeSpan.FromDays(1), TimeSpan.FromSeconds(10), TimeSpan.FromSeconds(60) },
@@ -420,10 +421,12 @@ namespace FreeSql.Tests.PostgreSQL
             var item3 = insert.AppendData(item2).ExecuteInserted().First();
             var newitem2 = select.Where(a => a.Id == item3.Id && object.Equals(a.testFieldJToken["a"], "1")).ToOne();
             Assert.Equal(item2.testFieldString, newitem2.testFieldString);
+            Assert.Equal(item2.testFieldChar, newitem2.testFieldChar);
 
             item3 = insert.NoneParameter().AppendData(item2).ExecuteInserted().First();
             newitem2 = select.Where(a => a.Id == item3.Id && object.Equals(a.testFieldJToken["a"], "1")).ToOne();
             Assert.Equal(item2.testFieldString, newitem2.testFieldString);
+            Assert.Equal(item2.testFieldChar, newitem2.testFieldChar);
 
             var items = select.ToList();
             var itemstb = select.ToDataTable();
@@ -454,6 +457,7 @@ namespace FreeSql.Tests.PostgreSQL
 
             public byte[] testFieldBytes { get; set; }
             public string testFieldString { get; set; }
+            public char testFieldChar { get; set; }
             public Guid testFieldGuid { get; set; }
             public NpgsqlPoint testFieldNpgsqlPoint { get; set; }
             public NpgsqlLine testFieldNpgsqlLine { get; set; }

FreeSql.Tests/FreeSql.Tests/ShenTong/ShenTongCodeFirstTest.cs

@@ -143,8 +143,8 @@ namespace FreeSql.Tests.ShenTong
         [Fact]
         public void GetComparisonDDLStatements()
         {
-
             var sql = g.shentong.CodeFirst.GetComparisonDDLStatements<TableAllType>();
+            Assert.True(string.IsNullOrEmpty(sql)); //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>κ<EFBFBD>
             g.shentong.Select<TableAllType>();
         }
 
@@ -217,6 +217,7 @@ namespace FreeSql.Tests.ShenTong
                 //testFieldShortArrayNullable = new short?[] { 1, 2, 3, null, 4, 5 },
                 testFieldShortNullable = short.MinValue,
                 testFieldString = "<22><><EFBFBD><EFBFBD><EFBFBD>й<EFBFBD><D0B9><EFBFBD>string'\\?!@#$%^&*()_+{}}{~?><<>",
+                testFieldChar = 'X',
                 //testFieldStringArray = new[] { "<22><><EFBFBD><EFBFBD><EFBFBD>й<EFBFBD><D0B9><EFBFBD>String1", "<22><><EFBFBD><EFBFBD><EFBFBD>й<EFBFBD><D0B9><EFBFBD>String2", null, "<22><><EFBFBD><EFBFBD><EFBFBD>й<EFBFBD><D0B9><EFBFBD>String3" },
                 testFieldTimeSpan = TimeSpan.FromHours(10),
                 //testFieldTimeSpanArray = new[] { TimeSpan.FromHours(10), TimeSpan.FromSeconds(10), TimeSpan.FromSeconds(60) },
@@ -245,10 +246,12 @@ namespace FreeSql.Tests.ShenTong
             var item3 = insert.AppendData(item2).ExecuteInserted().First();
             var newitem2 = select.Where(a => a.Id == item3.Id).ToOne();
             Assert.Equal(item2.testFieldString, newitem2.testFieldString);
+            Assert.Equal(item2.testFieldChar, newitem2.testFieldChar);
 
             item3 = insert.NoneParameter().AppendData(item2).ExecuteInserted().First();
             newitem2 = select.Where(a => a.Id == item3.Id).ToOne();
             Assert.Equal(item2.testFieldString, newitem2.testFieldString);
+            Assert.Equal(item2.testFieldChar, newitem2.testFieldChar);
 
             var items = select.ToList();
             var itemstb = select.ToDataTable();
@@ -279,6 +282,7 @@ namespace FreeSql.Tests.ShenTong
 
             public byte[] testFieldBytes { get; set; }
             public string testFieldString { get; set; }
+            public char testFieldChar { get; set; }
             public Guid testFieldGuid { get; set; }
 
             public bool? testFieldBoolNullable { get; set; }

FreeSql.Tests/FreeSql.Tests/SqlServer/SqlServerCodeFirstTest.cs

@@ -202,9 +202,8 @@ namespace FreeSql.Tests.SqlServer
         [Fact]
         public void GetComparisonDDLStatements()
         {
-
             var sql = g.sqlserver.CodeFirst.GetComparisonDDLStatements<TableAllType>();
-
+            Assert.True(string.IsNullOrEmpty(sql)); //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>κ<EFBFBD>
             sql = g.sqlserver.CodeFirst.GetComparisonDDLStatements<Tb_alltype>();
         }
 
@@ -250,6 +249,7 @@ namespace FreeSql.Tests.SqlServer
                 testFieldShort = short.MaxValue,
                 testFieldShortNullable = short.MinValue,
                 testFieldString = "<22><><EFBFBD><EFBFBD><EFBFBD>й<EFBFBD><D0B9><EFBFBD>string'\\?!@#$%^&*()_+{}}{~?><<>",
+                testFieldChar = 'X',
                 testFieldTimeSpan = TimeSpan.FromSeconds(999),
                 testFieldTimeSpanNullable = TimeSpan.FromSeconds(30),
                 testFieldUInt = uint.MaxValue,
@@ -270,10 +270,12 @@ namespace FreeSql.Tests.SqlServer
             var item3 = insert.AppendData(item2).ExecuteInserted();
             var newitem2 = select.Where(a => a.Id == item3[0].Id).ToOne();
             Assert.Equal(item2.testFieldString, newitem2.testFieldString);
+            Assert.Equal(item2.testFieldChar, newitem2.testFieldChar);
 
             item3 = insert.NoneParameter().AppendData(item2).ExecuteInserted();
             newitem2 = select.Where(a => a.Id == item3[0].Id).ToOne();
             Assert.Equal(item2.testFieldString, newitem2.testFieldString);
+            Assert.Equal(item2.testFieldChar, newitem2.testFieldChar);
 
             var items = select.ToList();
             var itemstb = select.ToDataTable();
@@ -403,6 +405,10 @@ namespace FreeSql.Tests.SqlServer
             public string TestFieldString { get; set; }
 
 
+            [JsonProperty, Column(Name = "testFieldChar", DbType = "char(1)", IsNullable = true)]
+            public char testFieldChar { get; set; }
+
+
             [JsonProperty, Column(Name = "testFieldTimeSpan", DbType = "time")]
             public TimeSpan TestFieldTimeSpan { get; set; }
 
@@ -467,6 +473,7 @@ namespace FreeSql.Tests.SqlServer
 
             public byte[] testFieldBytes { get; set; }
             public string testFieldString { get; set; }
+            public char testFieldChar { get; set; }
             public Guid testFieldGuid { get; set; }
 
             public bool? testFieldBoolNullable { get; set; }

FreeSql.Tests/FreeSql.Tests/Sqlite/SqliteCodeFirstTest.cs

@@ -239,53 +239,7 @@ namespace FreeSql.Tests.Sqlite
         {
 
             var sql = g.sqlite.CodeFirst.GetComparisonDDLStatements<TableAllType>();
-            if (string.IsNullOrEmpty(sql) == false)
-            {
-                Assert.Equal(@"CREATE TABLE IF NOT EXISTS ""main"".""tb_alltype"" ( 
-  ""Id"" INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT, 
-  ""Bool"" BOOLEAN NOT NULL, 
-  ""SByte"" SMALLINT NOT NULL, 
-  ""Short"" SMALLINT NOT NULL, 
-  ""Int"" INTEGER NOT NULL, 
-  ""Long"" INTEGER NOT NULL, 
-  ""Byte"" INT2 NOT NULL, 
-  ""UShort"" UNSIGNED NOT NULL, 
-  ""UInt"" DECIMAL(10,0) NOT NULL, 
-  ""ULong"" DECIMAL(21,0) NOT NULL, 
-  ""Double"" DOUBLE NOT NULL, 
-  ""Float"" FLOAT NOT NULL, 
-  ""Decimal"" DECIMAL(10,2) NOT NULL, 
-  ""TimeSpan"" BIGINT NOT NULL, 
-  ""DateTime"" DATETIME NOT NULL, 
-  ""DateTimeOffSet"" DATETIME NOT NULL, 
-  ""Bytes"" BLOB, 
-  ""String"" NVARCHAR(255), 
-  ""Guid"" CHARACTER(36) NOT NULL, 
-  ""BoolNullable"" BOOLEAN, 
-  ""SByteNullable"" SMALLINT, 
-  ""ShortNullable"" SMALLINT, 
-  ""IntNullable"" INTEGER, 
-  ""testFielLongNullable"" INTEGER, 
-  ""ByteNullable"" INT2, 
-  ""UShortNullable"" UNSIGNED, 
-  ""UIntNullable"" DECIMAL(10,0), 
-  ""ULongNullable"" DECIMAL(21,0), 
-  ""DoubleNullable"" DOUBLE, 
-  ""FloatNullable"" FLOAT, 
-  ""DecimalNullable"" DECIMAL(10,2), 
-  ""TimeSpanNullable"" BIGINT, 
-  ""DateTimeNullable"" DATETIME, 
-  ""DateTimeOffSetNullable"" DATETIME, 
-  ""GuidNullable"" CHARACTER(36), 
-  ""Enum1"" MEDIUMINT NOT NULL, 
-  ""Enum1Nullable"" MEDIUMINT, 
-  ""Enum2"" BIGINT NOT NULL, 
-  ""Enum2Nullable"" BIGINT
-) 
-;
-", sql);
-            }
-
+            Assert.True(string.IsNullOrEmpty(sql)); //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>κ<EFBFBD>
             //sql = g.Sqlite.CodeFirst.GetComparisonDDLStatements<Tb_alltype>();
         }
 
@@ -328,6 +282,7 @@ namespace FreeSql.Tests.Sqlite
                 Short = short.MaxValue,
                 ShortNullable = short.MinValue,
                 String = "<22><><EFBFBD><EFBFBD><EFBFBD>й<EFBFBD><D0B9><EFBFBD>string'\\?!@#$%^&*()_+{}}{~?><<>",
+                Char = 'X',
                 TimeSpan = TimeSpan.FromSeconds(999),
                 TimeSpanNullable = TimeSpan.FromSeconds(60),
                 UInt = uint.MaxValue,
@@ -341,10 +296,12 @@ namespace FreeSql.Tests.Sqlite
             item2.Id = (int)insert.AppendData(item2).ExecuteIdentity();
             var newitem2 = select.Where(a => a.Id == item2.Id).ToOne();
             Assert.Equal(item2.String, newitem2.String);
+            Assert.Equal(item2.Char, newitem2.Char);
 
             item2.Id = (int)insert.NoneParameter().AppendData(item2).ExecuteIdentity();
             newitem2 = select.Where(a => a.Id == item2.Id).ToOne();
             Assert.Equal(item2.String, newitem2.String);
+            Assert.Equal(item2.Char, newitem2.Char);
 
             var items = select.ToList();
             var itemstb = select.ToDataTable();
@@ -379,6 +336,7 @@ namespace FreeSql.Tests.Sqlite
 
             public byte[] Bytes { get; set; }
             public string String { get; set; }
+            public char Char { get; set; }
             public Guid Guid { get; set; }
 
             public bool? BoolNullable { get; set; }