- 修复 ISelect.AsTable union all 查询对 count/max/min/avg/sum 的别名 bug；#157

FreeSql.DbContext/FreeSql.DbContext.xml

@@ -110,6 +110,13 @@
             清空状态数据
             </summary>
         </member>
+        <member name="M:FreeSql.DbSet`1.RemoveAsync(System.Linq.Expressions.Expression{System.Func{`0,System.Boolean}})">
+            <summary>
+            根据 lambda 条件删除数据
+            </summary>
+            <param name="predicate"></param>
+            <returns></returns>
+        </member>
         <member name="M:FreeSql.DbSet`1.Add(`0)">
             <summary>
             添加

FreeSql.Tests/FreeSql.Tests.Provider.MySqlConnector/MySqlConnector/Curd/MySqlSelectTest.cs

@@ -954,6 +954,21 @@ namespace FreeSql.Tests.MySqlConnector
             query = select.LeftJoin("TestTypeInfo b on b.Guid = a.TypeGuid and b.Name = ?bname", new { bname = "xxx" }).AsTable(tableRule);
             sql = query.ToSql().Replace("\r\n", "");
             Assert.Equal("SELECT a.`Id`, a.`Clicks`, a.`TypeGuid`, a.`Title`, a.`CreateTime` FROM `tb_topicAsTable1` a LEFT JOIN TestTypeInfo b on b.Guid = a.TypeGuid and b.Name = ?bname", sql);
+
+            query = select.AsTable((_, old) => old).AsTable((_, old) => old);
+            sql = query.ToSql().Replace("\r\n", "");
+            Assert.Equal("SELECT  * from (SELECT a.`Id`, a.`Clicks`, a.`TypeGuid`, a.`Title`, a.`CreateTime` FROM `tb_topic` a) ftb UNION ALLSELECT  * from (SELECT a.`Id`, a.`Clicks`, a.`TypeGuid`, a.`Title`, a.`CreateTime` FROM `tb_topic` a) ftb", sql);
+            query.ToList();
+
+            query = select.AsTable((_, old) => old).AsTable((_, old) => old);
+            sql = query.ToSql("count(1) as1").Replace("\r\n", "");
+            Assert.Equal("SELECT  * from (SELECT count(1) as1 FROM `tb_topic` a) ftb UNION ALLSELECT  * from (SELECT count(1) as1 FROM `tb_topic` a) ftb", sql);
+            query.Count();
+
+            select.AsTable((_, old) => old).AsTable((_, old) => old).Max(a => a.Id);
+            select.AsTable((_, old) => old).AsTable((_, old) => old).Min(a => a.Id);
+            select.AsTable((_, old) => old).AsTable((_, old) => old).Sum(a => a.Id);
+            select.AsTable((_, old) => old).AsTable((_, old) => old).Avg(a => a.Id);
         }
 
         public class TestInclude_OneToManyModel1

FreeSql.Tests/FreeSql.Tests.Provider.Odbc/Dameng/Curd/DamengSelectTest.cs

@@ -881,6 +881,21 @@ namespace FreeSql.Tests.Odbc.Dameng
             query = select.LeftJoin("\"TESTTYPEINFO\" b on b.\"GUID\" = a.\"TYPEGUID\" and b.\"NAME\" = :bname", new { bname = "xxx" }).AsTable(tableRule);
             sql = query.ToSql().Replace("\r\n", "");
             Assert.Equal("SELECT a.\"ID\", a.\"CLICKS\", a.\"TYPEGUID\", a.\"TITLE\", a.\"CREATETIME\" FROM \"TB_TOPIC22_T1\" a LEFT JOIN \"TESTTYPEINFO\" b on b.\"GUID\" = a.\"TYPEGUID\" and b.\"NAME\" = :bname", sql);
+
+            query = select.AsTable((_, old) => old).AsTable((_, old) => old);
+            sql = query.ToSql().Replace("\r\n", "");
+            Assert.Equal("SELECT  * from (SELECT a.\"ID\", a.\"CLICKS\", a.\"TYPEGUID\", a.\"TITLE\", a.\"CREATETIME\" FROM \"TB_TOPIC22\" a) ftb UNION ALLSELECT  * from (SELECT a.\"ID\", a.\"CLICKS\", a.\"TYPEGUID\", a.\"TITLE\", a.\"CREATETIME\" FROM \"TB_TOPIC22\" a) ftb", sql);
+            query.ToList();
+
+            query = select.AsTable((_, old) => old).AsTable((_, old) => old);
+            sql = query.ToSql("count(1) as1").Replace("\r\n", "");
+            Assert.Equal("SELECT  * from (SELECT count(1) as1 FROM \"TB_TOPIC22\" a) ftb UNION ALLSELECT  * from (SELECT count(1) as1 FROM \"TB_TOPIC22\" a) ftb", sql);
+            query.Count();
+
+            select.AsTable((_, old) => old).AsTable((_, old) => old).Max(a => a.Id);
+            select.AsTable((_, old) => old).AsTable((_, old) => old).Min(a => a.Id);
+            select.AsTable((_, old) => old).AsTable((_, old) => old).Sum(a => a.Id);
+            select.AsTable((_, old) => old).AsTable((_, old) => old).Avg(a => a.Id);
         }
 
         public class TiOtmModel1

FreeSql.Tests/FreeSql.Tests.Provider.Odbc/Default/Curd/OdbcSelectTest.cs

@@ -850,6 +850,21 @@ namespace FreeSql.Tests.Odbc.Default
             query = select.LeftJoin("TestTypeInfo b on b.Guid = a.TypeGuid and b.Name = @bname", new { bname = "xxx" }).AsTable(tableRule);
             sql = query.ToSql().Replace("\r\n", "");
             Assert.Equal("SELECT a.[Id], a.[Clicks], a.[TypeGuid], a.[Title], a.[CreateTime] FROM [tb_topic22AsTable1] a LEFT JOIN TestTypeInfo b on b.Guid = a.TypeGuid and b.Name = @bname", sql);
+
+            query = select.AsTable((_, old) => old).AsTable((_, old) => old);
+            sql = query.ToSql().Replace("\r\n", "");
+            Assert.Equal("SELECT  * from (SELECT a.[Id], a.[Clicks], a.[TypeGuid], a.[Title], a.[CreateTime] FROM [tb_topic22] a) ftb UNION ALLSELECT  * from (SELECT a.[Id], a.[Clicks], a.[TypeGuid], a.[Title], a.[CreateTime] FROM [tb_topic22] a) ftb", sql);
+            query.ToList();
+
+            query = select.AsTable((_, old) => old).AsTable((_, old) => old);
+            sql = query.ToSql("count(1) as1").Replace("\r\n", "");
+            Assert.Equal("SELECT  * from (SELECT count(1) as1 FROM [tb_topic22] a) ftb UNION ALLSELECT  * from (SELECT count(1) as1 FROM [tb_topic22] a) ftb", sql);
+            query.Count();
+
+            select.AsTable((_, old) => old).AsTable((_, old) => old).Max(a => a.Id);
+            select.AsTable((_, old) => old).AsTable((_, old) => old).Min(a => a.Id);
+            select.AsTable((_, old) => old).AsTable((_, old) => old).Sum(a => a.Id);
+            select.AsTable((_, old) => old).AsTable((_, old) => old).Avg(a => a.Id);
         }
 
         public class TestInclude_OneToManyModel1

FreeSql.Tests/FreeSql.Tests.Provider.Odbc/MySql/Curd/MySqlSelectTest.cs

@@ -965,6 +965,21 @@ namespace FreeSql.Tests.Odbc.MySql
             query = select.LeftJoin("TestTypeInfo b on b.Guid = a.TypeGuid and b.Name = ?bname", new { bname = "xxx" }).AsTable(tableRule);
             sql = query.ToSql().Replace("\r\n", "");
             Assert.Equal("SELECT a.`Id`, a.`Clicks`, a.`TypeGuid`, a.`Title`, a.`CreateTime` FROM `tb_topicAsTable1` a LEFT JOIN TestTypeInfo b on b.Guid = a.TypeGuid and b.Name = ?bname", sql);
+
+            query = select.AsTable((_, old) => old).AsTable((_, old) => old);
+            sql = query.ToSql().Replace("\r\n", "");
+            Assert.Equal("SELECT  * from (SELECT a.`Id`, a.`Clicks`, a.`TypeGuid`, a.`Title`, a.`CreateTime` FROM `tb_topic` a) ftb UNION ALLSELECT  * from (SELECT a.`Id`, a.`Clicks`, a.`TypeGuid`, a.`Title`, a.`CreateTime` FROM `tb_topic` a) ftb", sql);
+            query.ToList();
+
+            query = select.AsTable((_, old) => old).AsTable((_, old) => old);
+            sql = query.ToSql("count(1) as1").Replace("\r\n", "");
+            Assert.Equal("SELECT  * from (SELECT count(1) as1 FROM `tb_topic` a) ftb UNION ALLSELECT  * from (SELECT count(1) as1 FROM `tb_topic` a) ftb", sql);
+            query.Count();
+
+            select.AsTable((_, old) => old).AsTable((_, old) => old).Max(a => a.Id);
+            select.AsTable((_, old) => old).AsTable((_, old) => old).Min(a => a.Id);
+            select.AsTable((_, old) => old).AsTable((_, old) => old).Sum(a => a.Id);
+            select.AsTable((_, old) => old).AsTable((_, old) => old).Avg(a => a.Id);
         }
 
         public class TestInclude_OneToManyModel1

FreeSql.Tests/FreeSql.Tests.Provider.Odbc/Oracle/Curd/OracleSelectTest.cs

@@ -881,6 +881,21 @@ namespace FreeSql.Tests.Odbc.Oracle
             query = select.LeftJoin("\"TESTTYPEINFO\" b on b.\"GUID\" = a.\"TYPEGUID\" and b.\"NAME\" = :bname", new { bname = "xxx" }).AsTable(tableRule);
             sql = query.ToSql().Replace("\r\n", "");
             Assert.Equal("SELECT a.\"ID\", a.\"CLICKS\", a.\"TYPEGUID\", a.\"TITLE\", a.\"CREATETIME\" FROM \"TB_TOPIC22_T1\" a LEFT JOIN \"TESTTYPEINFO\" b on b.\"GUID\" = a.\"TYPEGUID\" and b.\"NAME\" = :bname", sql);
+
+            query = select.AsTable((_, old) => old).AsTable((_, old) => old);
+            sql = query.ToSql().Replace("\r\n", "");
+            Assert.Equal("SELECT  * from (SELECT a.\"ID\", a.\"CLICKS\", a.\"TYPEGUID\", a.\"TITLE\", a.\"CREATETIME\" FROM \"TB_TOPIC22\" a) ftb UNION ALLSELECT  * from (SELECT a.\"ID\", a.\"CLICKS\", a.\"TYPEGUID\", a.\"TITLE\", a.\"CREATETIME\" FROM \"TB_TOPIC22\" a) ftb", sql);
+            query.ToList();
+
+            query = select.AsTable((_, old) => old).AsTable((_, old) => old);
+            sql = query.ToSql("count(1) as1").Replace("\r\n", "");
+            Assert.Equal("SELECT  * from (SELECT count(1) as1 FROM \"TB_TOPIC22\" a) ftb UNION ALLSELECT  * from (SELECT count(1) as1 FROM \"TB_TOPIC22\" a) ftb", sql);
+            query.Count();
+
+            select.AsTable((_, old) => old).AsTable((_, old) => old).Max(a => a.Id);
+            select.AsTable((_, old) => old).AsTable((_, old) => old).Min(a => a.Id);
+            select.AsTable((_, old) => old).AsTable((_, old) => old).Sum(a => a.Id);
+            select.AsTable((_, old) => old).AsTable((_, old) => old).Avg(a => a.Id);
         }
 
         public class TiOtmModel1

FreeSql.Tests/FreeSql.Tests.Provider.Odbc/PostgreSQL/Curd/PostgreSQLSelectTest.cs

@@ -937,6 +937,21 @@ namespace FreeSql.Tests.Odbc.PostgreSQL
             query = select.LeftJoin("\"testtypeinfo\" b on b.\"guid\" = a.\"typeguid\" and b.\"name\" = @bname", new { bname = "xxx" }).AsTable(tableRule);
             sql = query.ToSql().Replace("\r\n", "");
             Assert.Equal("SELECT a.\"id\", a.\"clicks\", a.\"typeguid\", a.\"title\", a.\"createtime\" FROM \"tb_topicastable1\" a LEFT JOIN \"testtypeinfo\" b on b.\"guid\" = a.\"typeguid\" and b.\"name\" = @bname", sql);
+
+            query = select.AsTable((_, old) => old).AsTable((_, old) => old);
+            sql = query.ToSql().Replace("\r\n", "");
+            Assert.Equal("SELECT  * from (SELECT a.\"id\", a.\"clicks\", a.\"typeguid\", a.\"title\", a.\"createtime\" FROM \"tb_topic\" a) ftb UNION ALLSELECT  * from (SELECT a.\"id\", a.\"clicks\", a.\"typeguid\", a.\"title\", a.\"createtime\" FROM \"tb_topic\" a) ftb", sql);
+            query.ToList();
+
+            query = select.AsTable((_, old) => old).AsTable((_, old) => old);
+            sql = query.ToSql("count(1) as1").Replace("\r\n", "");
+            Assert.Equal("SELECT  * from (SELECT count(1) as1 FROM \"tb_topic\" a) ftb UNION ALLSELECT  * from (SELECT count(1) as1 FROM \"tb_topic\" a) ftb", sql);
+            query.Count();
+
+            select.AsTable((_, old) => old).AsTable((_, old) => old).Max(a => a.Id);
+            select.AsTable((_, old) => old).AsTable((_, old) => old).Min(a => a.Id);
+            select.AsTable((_, old) => old).AsTable((_, old) => old).Sum(a => a.Id);
+            select.AsTable((_, old) => old).AsTable((_, old) => old).Avg(a => a.Id);
         }
 
         public class TestInclude_OneToManyModel1

FreeSql.Tests/FreeSql.Tests.Provider.Odbc/SqlServer/Curd/SqlServerSelectTest.cs

@@ -831,6 +831,21 @@ namespace FreeSql.Tests.Odbc.SqlServer
             query = select.LeftJoin("TestTypeInfo b on b.Guid = a.TypeGuid and b.Name = @bname", new { bname = "xxx" }).AsTable(tableRule);
             sql = query.ToSql().Replace("\r\n", "");
             Assert.Equal("SELECT a.[Id], a.[Clicks], a.[TypeGuid], a.[Title], a.[CreateTime] FROM [tb_topic22AsTable1] a LEFT JOIN TestTypeInfo b on b.Guid = a.TypeGuid and b.Name = @bname", sql);
+
+            query = select.AsTable((_, old) => old).AsTable((_, old) => old);
+            sql = query.ToSql().Replace("\r\n", "");
+            Assert.Equal("SELECT  * from (SELECT a.[Id], a.[Clicks], a.[TypeGuid], a.[Title], a.[CreateTime] FROM [tb_topic22] a) ftb UNION ALLSELECT  * from (SELECT a.[Id], a.[Clicks], a.[TypeGuid], a.[Title], a.[CreateTime] FROM [tb_topic22] a) ftb", sql);
+            query.ToList();
+
+            query = select.AsTable((_, old) => old).AsTable((_, old) => old);
+            sql = query.ToSql("count(1) as1").Replace("\r\n", "");
+            Assert.Equal("SELECT  * from (SELECT count(1) as1 FROM [tb_topic22] a) ftb UNION ALLSELECT  * from (SELECT count(1) as1 FROM [tb_topic22] a) ftb", sql);
+            query.Count();
+
+            select.AsTable((_, old) => old).AsTable((_, old) => old).Max(a => a.Id);
+            select.AsTable((_, old) => old).AsTable((_, old) => old).Min(a => a.Id);
+            select.AsTable((_, old) => old).AsTable((_, old) => old).Sum(a => a.Id);
+            select.AsTable((_, old) => old).AsTable((_, old) => old).Avg(a => a.Id);
         }
 
         public class TestInclude_OneToManyModel1

FreeSql.Tests/FreeSql.Tests/MySql/Curd/MySqlSelectTest.cs

@@ -996,6 +996,21 @@ namespace FreeSql.Tests.MySql
             query = select.LeftJoin("TestTypeInfo b on b.Guid = a.TypeGuid and b.Name = ?bname", new { bname = "xxx" }).AsTable(tableRule);
             sql = query.ToSql().Replace("\r\n", "");
             Assert.Equal("SELECT a.`Id`, a.`Clicks`, a.`TypeGuid`, a.`Title`, a.`CreateTime` FROM `tb_topicAsTable1` a LEFT JOIN TestTypeInfo b on b.Guid = a.TypeGuid and b.Name = ?bname", sql);
+
+            query = select.AsTable((_, old) => old).AsTable((_, old) => old);
+            sql = query.ToSql().Replace("\r\n", "");
+            Assert.Equal("SELECT  * from (SELECT a.`Id`, a.`Clicks`, a.`TypeGuid`, a.`Title`, a.`CreateTime` FROM `tb_topic` a) ftb UNION ALLSELECT  * from (SELECT a.`Id`, a.`Clicks`, a.`TypeGuid`, a.`Title`, a.`CreateTime` FROM `tb_topic` a) ftb", sql);
+            query.ToList();
+
+            query = select.AsTable((_, old) => old).AsTable((_, old) => old);
+            sql = query.ToSql("count(1) as1").Replace("\r\n", "");
+            Assert.Equal("SELECT  * from (SELECT count(1) as1 FROM `tb_topic` a) ftb UNION ALLSELECT  * from (SELECT count(1) as1 FROM `tb_topic` a) ftb", sql);
+            query.Count();
+
+            select.AsTable((_, old) => old).AsTable((_, old) => old).Max(a => a.Id);
+            select.AsTable((_, old) => old).AsTable((_, old) => old).Min(a => a.Id);
+            select.AsTable((_, old) => old).AsTable((_, old) => old).Sum(a => a.Id);
+            select.AsTable((_, old) => old).AsTable((_, old) => old).Avg(a => a.Id);
         }
 
         public class TestInclude_OneToManyModel1

FreeSql.Tests/FreeSql.Tests/Oracle/Curd/OracleSelectTest.cs

@@ -881,6 +881,21 @@ namespace FreeSql.Tests.Oracle
             query = select.LeftJoin("\"TESTTYPEINFO\" b on b.\"GUID\" = a.\"TYPEGUID\" and b.\"NAME\" = :bname", new { bname = "xxx" }).AsTable(tableRule);
             sql = query.ToSql().Replace("\r\n", "");
             Assert.Equal("SELECT a.\"ID\", a.\"CLICKS\", a.\"TYPEGUID\", a.\"TITLE\", a.\"CREATETIME\" FROM \"TB_TOPIC22_T1\" a LEFT JOIN \"TESTTYPEINFO\" b on b.\"GUID\" = a.\"TYPEGUID\" and b.\"NAME\" = :bname", sql);
+
+            query = select.AsTable((_, old) => old).AsTable((_, old) => old);
+            sql = query.ToSql().Replace("\r\n", "");
+            Assert.Equal("SELECT  * from (SELECT a.\"ID\", a.\"CLICKS\", a.\"TYPEGUID\", a.\"TITLE\", a.\"CREATETIME\" FROM \"TB_TOPIC22\" a) ftb UNION ALLSELECT  * from (SELECT a.\"ID\", a.\"CLICKS\", a.\"TYPEGUID\", a.\"TITLE\", a.\"CREATETIME\" FROM \"TB_TOPIC22\" a) ftb", sql);
+            query.ToList();
+
+            query = select.AsTable((_, old) => old).AsTable((_, old) => old);
+            sql = query.ToSql("count(1) as1").Replace("\r\n", "");
+            Assert.Equal("SELECT  * from (SELECT count(1) as1 FROM \"TB_TOPIC22\" a) ftb UNION ALLSELECT  * from (SELECT count(1) as1 FROM \"TB_TOPIC22\" a) ftb", sql);
+            query.Count();
+
+            select.AsTable((_, old) => old).AsTable((_, old) => old).Max(a => a.Id);
+            select.AsTable((_, old) => old).AsTable((_, old) => old).Min(a => a.Id);
+            select.AsTable((_, old) => old).AsTable((_, old) => old).Sum(a => a.Id);
+            select.AsTable((_, old) => old).AsTable((_, old) => old).Avg(a => a.Id);
         }
 
         public class TiOtmModel1

FreeSql.Tests/FreeSql.Tests/PostgreSQL/Curd/PostgreSQLSelectTest.cs

@@ -954,6 +954,21 @@ namespace FreeSql.Tests.PostgreSQL
             query = select.LeftJoin("\"testtypeinfo\" b on b.\"guid\" = a.\"typeguid\" and b.\"name\" = @bname", new { bname = "xxx" }).AsTable(tableRule);
             sql = query.ToSql().Replace("\r\n", "");
             Assert.Equal("SELECT a.\"id\", a.\"clicks\", a.\"typeguid\", a.\"title\", a.\"createtime\" FROM \"tb_topicastable1\" a LEFT JOIN \"testtypeinfo\" b on b.\"guid\" = a.\"typeguid\" and b.\"name\" = @bname", sql);
+
+            query = select.AsTable((_, old) => old).AsTable((_, old) => old);
+            sql = query.ToSql().Replace("\r\n", "");
+            Assert.Equal("SELECT  * from (SELECT a.\"id\", a.\"clicks\", a.\"typeguid\", a.\"title\", a.\"createtime\" FROM \"tb_topic\" a) ftb UNION ALLSELECT  * from (SELECT a.\"id\", a.\"clicks\", a.\"typeguid\", a.\"title\", a.\"createtime\" FROM \"tb_topic\" a) ftb", sql);
+            query.ToList();
+
+            query = select.AsTable((_, old) => old).AsTable((_, old) => old);
+            sql = query.ToSql("count(1) as1").Replace("\r\n", "");
+            Assert.Equal("SELECT  * from (SELECT count(1) as1 FROM \"tb_topic\" a) ftb UNION ALLSELECT  * from (SELECT count(1) as1 FROM \"tb_topic\" a) ftb", sql);
+            query.Count();
+
+            select.AsTable((_, old) => old).AsTable((_, old) => old).Max(a => a.Id);
+            select.AsTable((_, old) => old).AsTable((_, old) => old).Min(a => a.Id);
+            select.AsTable((_, old) => old).AsTable((_, old) => old).Sum(a => a.Id);
+            select.AsTable((_, old) => old).AsTable((_, old) => old).Avg(a => a.Id);
         }
 
         public class TestInclude_OneToManyModel1

FreeSql.Tests/FreeSql.Tests/SqlServer/Curd/SqlServerSelectTest.cs

@@ -876,6 +876,21 @@ namespace FreeSql.Tests.SqlServer
             query = select.LeftJoin("TestTypeInfo b on b.Guid = a.TypeGuid and b.Name = @bname", new { bname = "xxx" }).AsTable(tableRule);
             sql = query.ToSql().Replace("\r\n", "");
             Assert.Equal("SELECT a.[Id], a.[Clicks], a.[TypeGuid], a.[Title], a.[CreateTime] FROM [tb_topic22AsTable1] a LEFT JOIN TestTypeInfo b on b.Guid = a.TypeGuid and b.Name = @bname", sql);
+
+            query = select.AsTable((_, old) => old).AsTable((_, old) => old);
+            sql = query.ToSql().Replace("\r\n", "");
+            Assert.Equal("SELECT  * from (SELECT a.[Id], a.[Clicks], a.[TypeGuid], a.[Title], a.[CreateTime] FROM [tb_topic22] a) ftb UNION ALLSELECT  * from (SELECT a.[Id], a.[Clicks], a.[TypeGuid], a.[Title], a.[CreateTime] FROM [tb_topic22] a) ftb", sql);
+            query.ToList();
+
+            query = select.AsTable((_, old) => old).AsTable((_, old) => old);
+            sql = query.ToSql("count(1) as1").Replace("\r\n", "");
+            Assert.Equal("SELECT  * from (SELECT count(1) as1 FROM [tb_topic22] a) ftb UNION ALLSELECT  * from (SELECT count(1) as1 FROM [tb_topic22] a) ftb", sql);
+            query.Count();
+
+            select.AsTable((_, old) => old).AsTable((_, old) => old).Max(a => a.Id);
+            select.AsTable((_, old) => old).AsTable((_, old) => old).Min(a => a.Id);
+            select.AsTable((_, old) => old).AsTable((_, old) => old).Sum(a => a.Id);
+            select.AsTable((_, old) => old).AsTable((_, old) => old).Avg(a => a.Id);
         }
 
         public class TestInclude_OneToManyModel1

FreeSql.Tests/FreeSql.Tests/Sqlite/Curd/SqliteSelectTest.cs

@@ -865,6 +865,21 @@ namespace FreeSql.Tests.Sqlite
             query = select.LeftJoin("\"TestTypeInfo\" b on b.\"Guid\" = a.\"TypeGuid\" and b.\"Name\" = @bname", new { bname = "xxx" }).AsTable(tableRule);
             sql = query.ToSql().Replace("\r\n", "");
             Assert.Equal("SELECT a.\"Id\", a.\"Clicks\", a.\"TypeGuid\", a.\"Title\", a.\"CreateTime\" FROM \"tb_topic22AsTable1\" a LEFT JOIN \"TestTypeInfo\" b on b.\"Guid\" = a.\"TypeGuid\" and b.\"Name\" = @bname", sql);
+
+            query = select.AsTable((_, old) => old).AsTable((_, old) => old);
+            sql = query.ToSql().Replace("\r\n", "");
+            Assert.Equal("SELECT  * from (SELECT a.\"Id\", a.\"Clicks\", a.\"TypeGuid\", a.\"Title\", a.\"CreateTime\" FROM \"tb_topic22\" a) ftb UNION ALLSELECT  * from (SELECT a.\"Id\", a.\"Clicks\", a.\"TypeGuid\", a.\"Title\", a.\"CreateTime\" FROM \"tb_topic22\" a) ftb", sql);
+            query.ToList();
+
+            query = select.AsTable((_, old) => old).AsTable((_, old) => old);
+            sql = query.ToSql("count(1) as1").Replace("\r\n", "");
+            Assert.Equal("SELECT  * from (SELECT count(1) as1 FROM \"tb_topic22\" a) ftb UNION ALLSELECT  * from (SELECT count(1) as1 FROM \"tb_topic22\" a) ftb", sql);
+            query.Count();
+
+            select.AsTable((_, old) => old).AsTable((_, old) => old).Max(a => a.Id);
+            select.AsTable((_, old) => old).AsTable((_, old) => old).Min(a => a.Id);
+            select.AsTable((_, old) => old).AsTable((_, old) => old).Sum(a => a.Id);
+            select.AsTable((_, old) => old).AsTable((_, old) => old).Avg(a => a.Id);
         }
 
         public class TestInclude_OneToManyModel1

FreeSql/FreeSql.xml

@@ -2257,193 +2257,7 @@
             <returns></returns>
         </member>
         <member name="P:FreeSql.IAop.ParseExpression">
-            <summary>
+            <sum环境必备】自动同步实体结构到数据库，程序运行中检查实体表是否存在，然后创建或修改
-            可自定义解析表达式
-            </summary>
-        </member>
-        <member name="P:FreeSql.IAop.ConfigEntity">
-            <summary>
-            自定义实体的配置，方便和多个 ORM 共同使用
-            </summary>
-        </member>
-        <member name="P:FreeSql.IAop.ConfigEntityProperty">
-            <summary>
-            自定义实体的属性配置，方便和多个 ORM 共同使用
-            </summary>
-        </member>
-        <member name="P:FreeSql.IAop.CurdBefore">
-            <summary>
-            增删查改，执行命令之前触发
-            </summary>
-        </member>
-        <member name="P:FreeSql.IAop.CurdAfter">
-            <summary>
-            增删查改，执行命令完成后触发
-            </summary>
-        </member>
-        <member name="P:FreeSql.IAop.SyncStructureBefore">
-            <summary>
-            CodeFirst迁移，执行之前触发
-            </summary>
-        </member>
-        <member name="P:FreeSql.IAop.SyncStructureAfter">
-            <summary>
-            CodeFirst迁移，执行完成触发
-            </summary>
-        </member>
-        <member name="P:FreeSql.IAop.AuditValue">
-            <summary>
-            Insert/Update自动值处理
-            </summary>
-        </member>
-        <member name="P:FreeSql.Aop.ParseExpressionEventArgs.FreeParse">
-            <summary>
-            内置解析功能，可辅助您进行解析
-            </summary>
-        </member>
-        <member name="P:FreeSql.Aop.ParseExpressionEventArgs.Expression">
-            <summary>
-            需要您解析的表达式
-            </summary>
-        </member>
-        <member name="P:FreeSql.Aop.ParseExpressionEventArgs.Result">
-            <summary>
-            解析后的内容
-            </summary>
-        </member>
-        <member name="P:FreeSql.Aop.ConfigEntityEventArgs.EntityType">
-            <summary>
-            实体类型
-            </summary>
-        </member>
-        <member name="P:FreeSql.Aop.ConfigEntityEventArgs.ModifyResult">
-            <summary>
-            实体配置
-            </summary>
-        </member>
-        <member name="P:FreeSql.Aop.ConfigEntityEventArgs.ModifyIndexResult">
-            <summary>
-            索引配置
-            </summary>
-        </member>
-        <member name="P:FreeSql.Aop.ConfigEntityPropertyEventArgs.EntityType">
-            <summary>
-            实体类型
-            </summary>
-        </member>
-        <member name="P:FreeSql.Aop.ConfigEntityPropertyEventArgs.Property">
-            <summary>
-            实体的属性
-            </summary>
-        </member>
-        <member name="P:FreeSql.Aop.ConfigEntityPropertyEventArgs.ModifyResult">
-            <summary>
-            实体的属性配置
-            </summary>
-        </member>
-        <member name="P:FreeSql.Aop.CurdBeforeEventArgs.Identifier">
-            <summary>
-            标识符，可将 CurdBefore 与 CurdAfter 进行匹配
-            </summary>
-        </member>
-        <member name="P:FreeSql.Aop.CurdBeforeEventArgs.CurdType">
-            <summary>
-            操作类型
-            </summary>
-        </member>
-        <member name="P:FreeSql.Aop.CurdBeforeEventArgs.EntityType">
-            <summary>
-            实体类型
-            </summary>
-        </member>
-        <member name="P:FreeSql.Aop.CurdBeforeEventArgs.Table">
-            <summary>
-            实体类型的元数据
-            </summary>
-        </member>
-        <member name="P:FreeSql.Aop.CurdBeforeEventArgs.Sql">
-            <summary>
-            执行的 SQL
-            </summary>
-        </member>
-        <member name="P:FreeSql.Aop.CurdBeforeEventArgs.DbParms">
-            <summary>
-            参数化命令
-            </summary>
-        </member>
-        <member name="P:FreeSql.Aop.CurdAfterEventArgs.Exception">
-            <summary>
-            发生的错误
-            </summary>
-        </member>
-        <member name="P:FreeSql.Aop.CurdAfterEventArgs.ExecuteResult">
-            <summary>
-            执行SQL命令，返回的结果
-            </summary>
-        </member>
-        <member name="P:FreeSql.Aop.CurdAfterEventArgs.ElapsedTicks">
-            <summary>
-            耗时（单位：Ticks）
-            </summary>
-        </member>
-        <member name="P:FreeSql.Aop.CurdAfterEventArgs.ElapsedMilliseconds">
-            <summary>
-            耗时（单位：毫秒）
-            </summary>
-        </member>
-        <member name="P:FreeSql.Aop.SyncStructureBeforeEventArgs.Identifier">
-            <summary>
-            标识符，可将 SyncStructureBeforeEventArgs 与 SyncStructureAfterEventArgs 进行匹配
-            </summary>
-        </member>
-        <member name="P:FreeSql.Aop.SyncStructureBeforeEventArgs.EntityTypes">
-            <summary>
-            实体类型
-            </summary>
-        </member>
-        <member name="P:FreeSql.Aop.SyncStructureAfterEventArgs.Sql">
-            <summary>
-            执行的 SQL
-            </summary>
-        </member>
-        <member name="P:FreeSql.Aop.SyncStructureAfterEventArgs.Exception">
-            <summary>
-            发生的错误
-            </summary>
-        </member>
-        <member name="P:FreeSql.Aop.SyncStructureAfterEventArgs.ElapsedTicks">
-            <summary>
-            耗时（单位：Ticks）
-            </summary>
-        </member>
-        <member name="P:FreeSql.Aop.SyncStructureAfterEventArgs.ElapsedMilliseconds">
-            <summary>
-            耗时（单位：毫秒）
-            </summary>
-        </member>
-        <member name="P:FreeSql.Aop.AuditValueEventArgs.AuditValueType">
-            <summary>
-            类型
-            </summary>
-        </member>
-        <member name="P:FreeSql.Aop.AuditValueEventArgs.Column">
-            <summary>
-            属性列的元数据
-            </summary>
-        </member>
-        <member name="P:FreeSql.Aop.AuditValueEventArgs.Property">
-            <summary>
-            反射的属性信息
-            </summary>
-        </member>
-        <member name="P:FreeSql.Aop.AuditValueEventArgs.Value">
-            <summary>
-            获取实体的属性值，也可以设置实体的属性新值
-            </summary>
-        </member>
-        <member name="P:FreeSql.ICodeFirst.IsAutoSyncStructure">
-            <summary>
-            【开发环境必备】自动同步实体结构到数据库，程序运行中检查实体表是否存在，然后创建或修改
             </summary>
         </member>
         <member name="P:FreeSql.ICodeFirst.IsSyncStructureToLower">
@@ -3034,3 +2848,160 @@
         </member>
     </members>
 </doc>
+unc{``0,System.Boolean}},System.Boolean,System.Linq.Expressions.Expression{System.Func{``0,System.Boolean}})">
+            <summary>
+            使用 or 拼接两个 lambda 表达式
+            </summary>
+            <typeparam name="T"></typeparam>
+            <param name="exp1"></param>
+            <param name="condition">true 时生效</param>
+            <param name="exp2"></param>
+            <returns></returns>
+        </member>
+        <member name="M:System.Linq.Expressions.LambadaExpressionExtensions.Not``1(System.Linq.Expressions.Expression{System.Func{``0,System.Boolean}},System.Boolean)">
+            <summary>
+            将 lambda 表达式取反
+            </summary>
+            <typeparam name="T"></typeparam>
+            <param name="exp"></param>
+            <param name="condition">true 时生效</param>
+            <returns></returns>
+        </member>
+        <member name="M:FreeUtil.NewMongodbId">
+            <summary>
+            生成类似Mongodb的ObjectId有序、不重复Guid
+            </summary>
+            <returns></returns>
+        </member>
+        <member name="M:IFreeSql.Insert``1">
+            <summary>
+            插入数据
+            </summary>
+            <typeparam name="T1"></typeparam>
+            <returns></returns>
+        </member>
+        <member name="M:IFreeSql.Insert``1(``0)">
+            <summary>
+            插入数据，传入实体
+            </summary>
+            <typeparam name="T1"></typeparam>
+            <param name="source"></param>
+            <returns></returns>
+        </member>
+        <member name="M:IFreeSql.Insert``1(``0[])">
+            <summary>
+            插入数据，传入实体数组
+            </summary>
+            <typeparam name="T1"></typeparam>
+            <param name="source"></param>
+            <returns></returns>
+        </member>
+        <member name="M:IFreeSql.Insert``1(System.Collections.Generic.List{``0})">
+            <summary>
+            插入数据，传入实体集合
+            </summary>
+            <typeparam name="T1"></typeparam>
+            <param name="source"></param>
+            <returns></returns>
+        </member>
+        <member name="M:IFreeSql.Insert``1(System.Collections.Generic.IEnumerable{``0})">
+            <summary>
+            插入数据，传入实体集合
+            </summary>
+            <typeparam name="T1"></typeparam>
+            <param name="source"></param>
+            <returns></returns>
+        </member>
+        <member name="M:IFreeSql.Update``1">
+            <summary>
+            修改数据
+            </summary>
+            <typeparam name="T1"></typeparam>
+            <returns></returns>
+        </member>
+        <member name="M:IFreeSql.Update``1(System.Object)">
+            <summary>
+            修改数据，传入动态对象如：主键值 | new[]{主键值1,主键值2} | TEntity1 | new[]{TEntity1,TEntity2} | new{id=1}
+            </summary>
+            <typeparam name="T1"></typeparam>
+            <param name="dywhere">主键值、主键值集合、实体、实体集合、匿名对象、匿名对象集合</param>
+            <returns></returns>
+        </member>
+        <member name="M:IFreeSql.Select``1">
+            <summary>
+            查询数据
+            </summary>
+            <typeparam name="T1"></typeparam>
+            <returns></returns>
+        </member>
+        <member name="M:IFreeSql.Select``1(System.Object)">
+            <summary>
+            查询数据，传入动态对象如：主键值 | new[]{主键值1,主键值2} | TEntity1 | new[]{TEntity1,TEntity2} | new{id=1}
+            </summary>
+            <typeparam name="T1"></typeparam>
+            <param name="dywhere">主键值、主键值集合、实体、实体集合、匿名对象、匿名对象集合</param>
+            <returns></returns>
+        </member>
+        <member name="M:IFreeSql.Delete``1">
+            <summary>
+            删除数据
+            </summary>
+            <typeparam name="T1"></typeparam>
+            <returns></returns>
+        </member>
+        <member name="M:IFreeSql.Delete``1(System.Object)">
+            <summary>
+            删除数据，传入动态对象如：主键值 | new[]{主键值1,主键值2} | TEntity1 | new[]{TEntity1,TEntity2} | new{id=1}
+            </summary>
+            <typeparam name="T1"></typeparam>
+            <param name="dywhere">主键值、主键值集合、实体、实体集合、匿名对象、匿名对象集合</param>
+            <returns></returns>
+        </member>
+        <member name="M:IFreeSql.Transaction(System.Action)">
+            <summary>
+            开启事务（不支持异步），60秒未执行完成（可能）被其他线程事务自动提交
+            </summary>
+            <param name="handler">事务体 () => {}</param>
+        </member>
+        <member name="M:IFreeSql.Transaction(System.TimeSpan,System.Action)">
+            <summary>
+            开启事务（不支持异步）
+            </summary>
+            <param name="timeout">超时，未执行完成（可能）被其他线程事务自动提交</param>
+            <param name="handler">事务体 () => {}</param>
+        </member>
+        <member name="M:IFreeSql.Transaction(System.Data.IsolationLevel,System.TimeSpan,System.Action)">
+            <summary>
+            开启事务（不支持异步）
+            </summary>
+            <param name="isolationLevel"></param>
+            <param name="handler">事务体 () => {}</param>
+            <param name="timeout">超时，未执行完成（可能）被其他线程事务自动提交</param>
+        </member>
+        <member name="P:IFreeSql.Ado">
+            <summary>
+            数据库访问对象
+            </summary>
+        </member>
+        <member name="P:IFreeSql.Aop">
+            <summary>
+            所有拦截方法都在这里
+            </summary>
+        </member>
+        <member name="P:IFreeSql.CodeFirst">
+            <summary>
+            CodeFirst 模式开发相关方法
+            </summary>
+        </member>
+        <member name="P:IFreeSql.DbFirst">
+            <summary>
+            DbFirst 模式开发相关方法
+            </summary>
+        </member>
+        <member name="P:IFreeSql.GlobalFilter">
+            <summary>
+            全局过滤设置，可默认附加为 Select/Update/Delete 条件
+            </summary>
+        </member>
+    </members>
+</doc>

FreeSql/Internal/CommonProvider/SelectProvider/Select0Provider.cs

@@ -155,10 +155,10 @@ namespace FreeSql.Internal.CommonProvider
         public bool Any()
         {
             this.Limit(1);
-            return this.ToList<int>("1").FirstOrDefault() == 1;
+            return this.ToList<int>("1 as1").FirstOrDefault() == 1;
         }
 
-        public long Count() => this.ToList<int>("count(1)").FirstOrDefault();
+        public long Count() => this.ToList<int>("count(1) as1").FirstOrDefault();
 
         public TSelect Count(out long count)
         {
@@ -1023,10 +1023,10 @@ namespace FreeSql.Internal.CommonProvider
         }
         #region common
 
-        protected TMember InternalAvg<TMember>(Expression exp) => this.ToList<TMember>($"avg({_commonExpression.ExpressionSelectColumn_MemberAccess(_tables, null, SelectTableInfoType.From, exp, true, null)})").FirstOrDefault();
+        protected TMember InternalAvg<TMember>(Expression exp) => this.ToList<TMember>($"avg({_commonExpression.ExpressionSelectColumn_MemberAccess(_tables, null, SelectTableInfoType.From, exp, true, null)}) as1").FirstOrDefault();
-        protected TMember InternalMax<TMember>(Expression exp) => this.ToList<TMember>($"max({_commonExpression.ExpressionSelectColumn_MemberAccess(_tables, null, SelectTableInfoType.From, exp, true, null)})").FirstOrDefault();
+        protected TMember InternalMax<TMember>(Expression exp) => this.ToList<TMember>($"max({_commonExpression.ExpressionSelectColumn_MemberAccess(_tables, null, SelectTableInfoType.From, exp, true, null)}) as1").FirstOrDefault();
-        protected TMember InternalMin<TMember>(Expression exp) => this.ToList<TMember>($"min({_commonExpression.ExpressionSelectColumn_MemberAccess(_tables, null, SelectTableInfoType.From, exp, true, null)})").FirstOrDefault();
+        protected TMember InternalMin<TMember>(Expression exp) => this.ToList<TMember>($"min({_commonExpression.ExpressionSelectColumn_MemberAccess(_tables, null, SelectTableInfoType.From, exp, true, null)}) as1").FirstOrDefault();
-        protected TMember InternalSum<TMember>(Expression exp) => this.ToList<TMember>($"sum({_commonExpression.ExpressionSelectColumn_MemberAccess(_tables, null, SelectTableInfoType.From, exp, true, null)})").FirstOrDefault();
+        protected TMember InternalSum<TMember>(Expression exp) => this.ToList<TMember>($"sum({_commonExpression.ExpressionSelectColumn_MemberAccess(_tables, null, SelectTableInfoType.From, exp, true, null)}) as1").FirstOrDefault();
 
         protected ISelectGrouping<TKey, TValue> InternalGroupBy<TKey, TValue>(Expression columns)
         {
@@ -1104,10 +1104,10 @@ namespace FreeSql.Internal.CommonProvider
         async public Task<bool> AnyAsync()
         {
             this.Limit(1);
-            return (await this.ToListAsync<int>("1")).FirstOrDefault() == 1;
+            return (await this.ToListAsync<int>("1 as1")).FirstOrDefault() == 1;
         }
 
-        async public Task<long> CountAsync() => (await this.ToListAsync<int>("count(1)")).FirstOrDefault();
+        async public Task<long> CountAsync() => (await this.ToListAsync<int>("count(1) as1")).FirstOrDefault();
 
         async public Task<DataTable> ToDataTableAsync(string field = null)
         {
@@ -1284,10 +1284,10 @@ namespace FreeSql.Internal.CommonProvider
         }
         protected Task<List<TReturn>> ToListMapReaderAsync<TReturn>((ReadAnonymousTypeInfo map, string field) af) => ToListMapReaderPrivateAsync<TReturn>(af, null);
 
-        async protected Task<TMember> InternalAvgAsync<TMember>(Expression exp) => (await this.ToListAsync<TMember>($"avg({_commonExpression.ExpressionSelectColumn_MemberAccess(_tables, null, SelectTableInfoType.From, exp, true, null)})")).FirstOrDefault();
+        async protected Task<TMember> InternalAvgAsync<TMember>(Expression exp) => (await this.ToListAsync<TMember>($"avg({_commonExpression.ExpressionSelectColumn_MemberAccess(_tables, null, SelectTableInfoType.From, exp, true, null)}) as1")).FirstOrDefault();
-        async protected Task<TMember> InternalMaxAsync<TMember>(Expression exp) => (await this.ToListAsync<TMember>($"max({_commonExpression.ExpressionSelectColumn_MemberAccess(_tables, null, SelectTableInfoType.From, exp, true, null)})")).FirstOrDefault();
+        async protected Task<TMember> InternalMaxAsync<TMember>(Expression exp) => (await this.ToListAsync<TMember>($"max({_commonExpression.ExpressionSelectColumn_MemberAccess(_tables, null, SelectTableInfoType.From, exp, true, null)}) as1")).FirstOrDefault();
-        async protected Task<TMember> InternalMinAsync<TMember>(Expression exp) => (await this.ToListAsync<TMember>($"min({_commonExpression.ExpressionSelectColumn_MemberAccess(_tables, null, SelectTableInfoType.From, exp, true, null)})")).FirstOrDefault();
+        async protected Task<TMember> InternalMinAsync<TMember>(Expression exp) => (await this.ToListAsync<TMember>($"min({_commonExpression.ExpressionSelectColumn_MemberAccess(_tables, null, SelectTableInfoType.From, exp, true, null)}) as1")).FirstOrDefault();
-        async protected Task<TMember> InternalSumAsync<TMember>(Expression exp) => (await this.ToListAsync<TMember>($"sum({_commonExpression.ExpressionSelectColumn_MemberAccess(_tables, null, SelectTableInfoType.From, exp, true, null)})")).FirstOrDefault();
+        async protected Task<TMember> InternalSumAsync<TMember>(Expression exp) => (await this.ToListAsync<TMember>($"sum({_commonExpression.ExpressionSelectColumn_MemberAccess(_tables, null, SelectTableInfoType.From, exp, true, null)}) as1")).FirstOrDefault();
 
         protected Task<List<TReturn>> InternalToListAsync<TReturn>(Expression select) => this.ToListMapReaderAsync<TReturn>(this.GetExpressionField(select));