Synchronization code

Src/Asp.NetCore2/SqlSugar/Abstract/QueryableProvider/QueryableProvider.cs

@@ -182,6 +182,12 @@ namespace SqlSugar
             result.QueryBuilder.LambdaExpressions.ParameterIndex = this.QueryBuilder.LambdaExpressions.ParameterIndex;
             return result;
         }
+        public ISugarQueryable<T, T2> LeftJoin<T2>(Expression<Func<T, T2, bool>> joinExpression,string tableName) 
+        {
+           var result= LeftJoin<T2>(joinExpression);
+            result.QueryBuilder.JoinQueryInfos.Last().TableName = tableName;
+            return result;
+        }
         public ISugarQueryable<T, T2> LeftJoin<T2>(Expression<Func<T, T2, bool>> joinExpression)
         {
             if (MasterHasWhereFirstJoin())
@@ -211,6 +217,12 @@ namespace SqlSugar
             result.QueryBuilder.JoinQueryInfos.Add(GetJoinInfo(joinExpression, JoinType.Full));
             return result;
         }
+        public ISugarQueryable<T, T2> FullJoin<T2>(Expression<Func<T, T2, bool>> joinExpression, string tableName)
+        {
+            var result = FullJoin<T2>(joinExpression);
+            result.QueryBuilder.JoinQueryInfos.Last().TableName = tableName;
+            return result;
+        }
         public ISugarQueryable<T, T2> RightJoin<T2>(Expression<Func<T, T2, bool>> joinExpression)
         {
 
@@ -226,7 +238,12 @@ namespace SqlSugar
             result.QueryBuilder.JoinQueryInfos.Add(GetJoinInfo(joinExpression, JoinType.Right));
             return result;
         }
-
+        public ISugarQueryable<T, T2> RightJoin<T2>(Expression<Func<T, T2, bool>> joinExpression, string tableName)
+        {
+            var result = RightJoin<T2>(joinExpression);
+            result.QueryBuilder.JoinQueryInfos.Last().TableName = tableName;
+            return result;
+        }
         public ISugarQueryable<T, T2> InnerJoin<T2>(Expression<Func<T, T2, bool>> joinExpression)
         {
 
@@ -242,7 +259,12 @@ namespace SqlSugar
             result.QueryBuilder.JoinQueryInfos.Add(GetJoinInfo(joinExpression, JoinType.Inner));
             return result;
         }
-
+        public ISugarQueryable<T, T2> InnerJoin<T2>(Expression<Func<T, T2, bool>> joinExpression, string tableName)
+        {
+            var result = InnerJoin<T2>(joinExpression);
+            result.QueryBuilder.JoinQueryInfos.Last().TableName = tableName;
+            return result;
+        }
         public void Clear()
         {
             QueryBuilder.Clear();

Src/Asp.NetCore2/SqlSugar/Abstract/QueryableProvider/QueryableProvider02-05.cs

@@ -116,6 +116,31 @@ namespace SqlSugar
             result.QueryBuilder.JoinQueryInfos.Add(GetJoinInfo(joinExpression, JoinType.Right));
             return result;
         }
+
+        public ISugarQueryable<T, T2, T3> LeftJoin<T3>(Expression<Func<T, T2, T3, bool>> joinExpression, string tableName) 
+        {
+            var result= LeftJoin<T3>(joinExpression);
+            result.QueryBuilder.JoinQueryInfos.Last().TableName = tableName;
+            return result;
+        }
+        public ISugarQueryable<T, T2, T3> FullJoin<T3>(Expression<Func<T, T2, T3, bool>> joinExpression, string tableName) 
+        {
+            var result = FullJoin<T3>(joinExpression);
+            result.QueryBuilder.JoinQueryInfos.Last().TableName = tableName;
+            return result;
+        }
+        public ISugarQueryable<T, T2, T3> InnerJoin<T3>(Expression<Func<T, T2, T3, bool>> joinExpression, string tableName) 
+        {
+            var result = InnerJoin<T3>(joinExpression);
+            result.QueryBuilder.JoinQueryInfos.Last().TableName = tableName;
+            return result;
+        }
+        public ISugarQueryable<T, T2, T3> RightJoin<T3>(Expression<Func<T, T2, T3, bool>> joinExpression, string tableName) 
+        {
+            var result = RightJoin<T3>(joinExpression);
+            result.QueryBuilder.JoinQueryInfos.Last().TableName = tableName;
+            return result;
+        }
         public ISugarQueryable<T, T2, T3> InnerJoin<T3>(Expression<Func<T, T2, T3, bool>> joinExpression)
         {
             this.Context.InitMappingInfo<T3>();
@@ -677,6 +702,33 @@ namespace SqlSugar
             return result;
         }
 
+        public ISugarQueryable<T, T2, T3, T4> LeftJoin<T4>(Expression<Func<T, T2, T3, T4, bool>> joinExpression, string tableName) 
+        {
+            var result= LeftJoin<T4>(joinExpression);
+            result.QueryBuilder.JoinQueryInfos.Last().TableName = tableName;
+            return result;
+        }
+        public ISugarQueryable<T, T2, T3, T4> FullJoin<T4>(Expression<Func<T, T2, T3, T4, bool>> joinExpression, string tableName) 
+        {
+            var result = FullJoin<T4>(joinExpression);
+            result.QueryBuilder.JoinQueryInfos.Last().TableName = tableName;
+            return result;
+        }
+        public ISugarQueryable<T, T2, T3, T4> InnerJoin<T4>(Expression<Func<T, T2, T3, T4, bool>> joinExpression, string tableName) 
+        {
+            var result = InnerJoin<T4>(joinExpression);
+            result.QueryBuilder.JoinQueryInfos.Last().TableName = tableName;
+            return result;
+        }
+        public ISugarQueryable<T, T2, T3, T4> RightJoin<T4>(Expression<Func<T, T2, T3, T4, bool>> joinExpression, string tableName)
+        {
+            var result = RightJoin<T4>(joinExpression);
+            result.QueryBuilder.JoinQueryInfos.Last().TableName = tableName;
+            return result;
+
+        }
+
+
         #region  Group 
         public new ISugarQueryable<T, T2,T3> PartitionBy(Expression<Func<T, object>> expression)
         {
@@ -1309,6 +1361,32 @@ namespace SqlSugar
             return result;
         }
 
+        public ISugarQueryable<T, T2, T3, T4, T5> LeftJoin<T5>(Expression<Func<T, T2, T3, T4, T5, bool>> joinExpression, string tableName) 
+        {
+            var result = LeftJoin<T5>(joinExpression);
+            result.QueryBuilder.JoinQueryInfos.Last().TableName = tableName;
+            return result;
+        }
+        public ISugarQueryable<T, T2, T3, T4, T5> FullJoin<T5>(Expression<Func<T, T2, T3, T4, T5, bool>> joinExpression, string tableName) 
+        {
+            var result = FullJoin<T5>(joinExpression);
+            result.QueryBuilder.JoinQueryInfos.Last().TableName = tableName;
+            return result;
+        }
+        public ISugarQueryable<T, T2, T3, T4, T5> InnerJoin<T5>(Expression<Func<T, T2, T3, T4, T5, bool>> joinExpression, string tableName) 
+        {
+            var result = InnerJoin<T5>(joinExpression);
+            result.QueryBuilder.JoinQueryInfos.Last().TableName = tableName;
+            return result;
+        }
+        public ISugarQueryable<T, T2, T3, T4, T5> RightJoin<T5>(Expression<Func<T, T2, T3, T4, T5, bool>> joinExpression, string tableName) 
+        {
+            var result = RightJoin<T5>(joinExpression);
+            result.QueryBuilder.JoinQueryInfos.Last().TableName = tableName;
+            return result;
+        }
+
+
         #region Where
         public new ISugarQueryable<T, T2, T3, T4> Where(Expression<Func<T, bool>> expression)
         {
@@ -1977,6 +2055,32 @@ namespace SqlSugar
             return result;
         }
 
+        public ISugarQueryable<T, T2, T3, T4, T5, T6> LeftJoin<T6>(Expression<Func<T, T2, T3, T4, T5, T6, bool>> joinExpression, string tableName)
+        {
+            var result = LeftJoin<T6>(joinExpression);
+            result.QueryBuilder.JoinQueryInfos.Last().TableName = tableName;
+            return result;
+        }
+        public ISugarQueryable<T, T2, T3, T4, T5, T6> FullJoin<T6>(Expression<Func<T, T2, T3, T4, T5, T6, bool>> joinExpression, string tableName)
+        {
+            var result = FullJoin<T6>(joinExpression);
+            result.QueryBuilder.JoinQueryInfos.Last().TableName = tableName;
+            return result;
+        }
+        public ISugarQueryable<T, T2, T3, T4, T5, T6> InnerJoin<T6>(Expression<Func<T, T2, T3, T4, T5, T6, bool>> joinExpression, string tableName)
+        {
+            var result = InnerJoin<T6>(joinExpression);
+            result.QueryBuilder.JoinQueryInfos.Last().TableName = tableName;
+            return result;
+        }
+        public ISugarQueryable<T, T2, T3, T4, T5, T6> RightJoin<T6>(Expression<Func<T, T2, T3, T4, T5,T6, bool>> joinExpression, string tableName)
+        {
+            var result = RightJoin<T6>(joinExpression);
+            result.QueryBuilder.JoinQueryInfos.Last().TableName = tableName;
+            return result;
+        }
+
+
         #region Where
         public new ISugarQueryable<T, T2, T3, T4, T5> Where(Expression<Func<T, bool>> expression)
         {

Src/Asp.NetCore2/SqlSugar/Abstract/QueryableProvider/QueryableProvider06-10.cs

@@ -106,6 +106,32 @@ namespace SqlSugar
             result.QueryBuilder.JoinQueryInfos.Add(GetJoinInfo(joinExpression, JoinType.Inner));
             return result;
         }
+
+        public ISugarQueryable<T, T2, T3, T4, T5, T6, T7> LeftJoin<T7>(Expression<Func<T, T2, T3, T4, T5, T6, T7, bool>> joinExpression, string tableName) 
+        {
+            var result = LeftJoin<T7>(joinExpression);
+            result.QueryBuilder.JoinQueryInfos.Last().TableName = tableName;
+            return result;
+        }
+        public ISugarQueryable<T, T2, T3, T4, T5, T6, T7> FullJoin<T7>(Expression<Func<T, T2, T3, T4, T5, T6, T7, bool>> joinExpression, string tableName) 
+        {
+            var result = FullJoin<T7>(joinExpression);
+            result.QueryBuilder.JoinQueryInfos.Last().TableName = tableName;
+            return result;
+        }
+        public ISugarQueryable<T, T2, T3, T4, T5, T6, T7> InnerJoin<T7>(Expression<Func<T, T2, T3, T4, T5, T6, T7, bool>> joinExpression, string tableName) 
+        {
+            var result = InnerJoin<T7>(joinExpression);
+            result.QueryBuilder.JoinQueryInfos.Last().TableName = tableName;
+            return result;
+        }
+        public ISugarQueryable<T, T2, T3, T4, T5, T6, T7> RightJoin<T7>(Expression<Func<T, T2, T3, T4, T5, T6, T7, bool>> joinExpression, string tableName) 
+        {
+            var result = RightJoin<T7>(joinExpression);
+            result.QueryBuilder.JoinQueryInfos.Last().TableName = tableName;
+            return result;
+        }
+
         #region Where
         public new ISugarQueryable<T, T2, T3, T4, T5, T6> Where(Expression<Func<T, bool>> expression)
         {
@@ -755,6 +781,32 @@ namespace SqlSugar
             result.QueryBuilder.JoinQueryInfos.Add(GetJoinInfo(joinExpression, JoinType.Inner));
             return result;
         }
+
+        public ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8> LeftJoin<T8>(Expression<Func<T, T2, T3, T4, T5, T6, T7, T8, bool>> joinExpression, string tableName) 
+        {
+            var result = LeftJoin<T8>(joinExpression);
+            result.QueryBuilder.JoinQueryInfos.Last().TableName = tableName;
+            return result;
+        }
+        public ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8> FullJoin<T8>(Expression<Func<T, T2, T3, T4, T5, T6, T7, T8, bool>> joinExpression, string tableName) 
+        {
+            var result = FullJoin<T8>(joinExpression);
+            result.QueryBuilder.JoinQueryInfos.Last().TableName = tableName;
+            return result;
+        }
+        public ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8> InnerJoin<T8>(Expression<Func<T, T2, T3, T4, T5, T6, T7, T8, bool>> joinExpression, string tableName)
+        {
+            var result = InnerJoin<T8>(joinExpression);
+            result.QueryBuilder.JoinQueryInfos.Last().TableName = tableName;
+            return result;
+        }
+        public ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8> RightJoin<T8>(Expression<Func<T, T2, T3, T4, T5, T6, T7, T8, bool>> joinExpression, string tableName)
+        {
+            var result = RightJoin<T8>(joinExpression);
+            result.QueryBuilder.JoinQueryInfos.Last().TableName = tableName;
+            return result;
+        }
+
         #region Where
         public new ISugarQueryable<T, T2, T3, T4, T5, T6, T7> Where(Expression<Func<T, bool>> expression)
         {
@@ -1366,6 +1418,32 @@ namespace SqlSugar
             result.QueryBuilder.JoinQueryInfos.Add(GetJoinInfo(joinExpression, JoinType.Inner));
             return result;
         }
+
+        public ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8, T9> LeftJoin<T9>(Expression<Func<T, T2, T3, T4, T5, T6, T7, T8, T9, bool>> joinExpression, string tableName) 
+        {
+            var result = LeftJoin<T9>(joinExpression);
+            result.QueryBuilder.JoinQueryInfos.Last().TableName = tableName;
+            return result;
+        }
+        public ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8, T9> FullJoin<T9>(Expression<Func<T, T2, T3, T4, T5, T6, T7, T8, T9, bool>> joinExpression, string tableName) 
+        {
+            var result = FullJoin<T9>(joinExpression);
+            result.QueryBuilder.JoinQueryInfos.Last().TableName = tableName;
+            return result;
+        }
+        public ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8, T9> InnerJoin<T9>(Expression<Func<T, T2, T3, T4, T5, T6, T7, T8, T9, bool>> joinExpression, string tableName) 
+        {
+            var result = InnerJoin<T9>(joinExpression);
+            result.QueryBuilder.JoinQueryInfos.Last().TableName = tableName;
+            return result;
+        }
+        public ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8, T9> RightJoin<T9>(Expression<Func<T, T2, T3, T4, T5, T6, T7, T8, T9, bool>> joinExpression, string tableName) 
+        {
+            var result = RightJoin<T9>(joinExpression);
+            result.QueryBuilder.JoinQueryInfos.Last().TableName = tableName;
+            return result;
+        }
+
         #region Where
         public new ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8> Where(Expression<Func<T, bool>> expression)
         {
@@ -1969,6 +2047,32 @@ namespace SqlSugar
             result.QueryBuilder.JoinQueryInfos.Add(GetJoinInfo(joinExpression, JoinType.Inner));
             return result;
         }
+
+        public ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8, T9, T10> LeftJoin<T10>(Expression<Func<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, bool>> joinExpression, string tableName) 
+        {
+            var result = LeftJoin<T10>(joinExpression);
+            result.QueryBuilder.JoinQueryInfos.Last().TableName = tableName;
+            return result;
+        }
+        public ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8, T9, T10> FullJoin<T10>(Expression<Func<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, bool>> joinExpression, string tableName)
+        {
+            var result = FullJoin<T10>(joinExpression);
+            result.QueryBuilder.JoinQueryInfos.Last().TableName = tableName;
+            return result;
+        }
+        public ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8, T9, T10> InnerJoin<T10>(Expression<Func<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, bool>> joinExpression, string tableName)
+        {
+            var result = InnerJoin<T10>(joinExpression);
+            result.QueryBuilder.JoinQueryInfos.Last().TableName = tableName;
+            return result;
+        }
+        public ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8, T9, T10> RightJoin<T10>(Expression<Func<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, bool>> joinExpression, string tableName)
+        {
+            var result = RightJoin<T10>(joinExpression);
+            result.QueryBuilder.JoinQueryInfos.Last().TableName = tableName;
+            return result;
+        }
+
         #region Where
         public new ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8, T9> Where(Expression<Func<T, bool>> expression)
         {
@@ -2569,6 +2673,32 @@ namespace SqlSugar
             result.QueryBuilder.JoinQueryInfos.Add(GetJoinInfo(joinExpression, JoinType.Inner));
             return result;
         }
+
+        public ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11> LeftJoin<T11>(Expression<Func<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, bool>> joinExpression, string tableName) 
+        {
+            var result = LeftJoin<T11>(joinExpression);
+            result.QueryBuilder.JoinQueryInfos.Last().TableName = tableName;
+            return result;
+        }
+        public ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11> FullJoin<T11>(Expression<Func<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, bool>> joinExpression, string tableName)
+        {
+            var result = FullJoin<T11>(joinExpression);
+            result.QueryBuilder.JoinQueryInfos.Last().TableName = tableName;
+            return result;
+        }
+        public ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11> InnerJoin<T11>(Expression<Func<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, bool>> joinExpression, string tableName)
+        {
+            var result = InnerJoin<T11>(joinExpression);
+            result.QueryBuilder.JoinQueryInfos.Last().TableName = tableName;
+            return result;
+        }
+        public ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11> RightJoin<T11>(Expression<Func<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, bool>> joinExpression, string tableName)
+        {
+            var result = RightJoin<T11>(joinExpression);
+            result.QueryBuilder.JoinQueryInfos.Last().TableName = tableName;
+            return result;
+        }
+
         #region Where
         public new ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8, T9, T10> Where(Expression<Func<T, bool>> expression)
         {

Src/Asp.NetCore2/SqlSugar/Abstract/QueryableProvider/QueryableProvider11-12.cs

@@ -107,6 +107,32 @@ namespace SqlSugar
             result.QueryBuilder.JoinQueryInfos.Add(GetJoinInfo(joinExpression, JoinType.Inner));
             return result;
         }
+
+        public ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12> LeftJoin<T12>(Expression<Func<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, bool>> joinExpression, string tableName) 
+        {
+            var result = LeftJoin<T12>(joinExpression);
+            result.QueryBuilder.JoinQueryInfos.Last().TableName = tableName;
+            return result;
+        }
+        public ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12> FullJoin<T12>(Expression<Func<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, bool>> joinExpression, string tableName)
+        {
+            var result = FullJoin<T12>(joinExpression);
+            result.QueryBuilder.JoinQueryInfos.Last().TableName = tableName;
+            return result;
+        }
+        public ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12> InnerJoin<T12>(Expression<Func<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, bool>> joinExpression, string tableName)
+        {
+            var result = InnerJoin<T12>(joinExpression);
+            result.QueryBuilder.JoinQueryInfos.Last().TableName = tableName;
+            return result;
+        }
+        public ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12> RightJoin<T12>(Expression<Func<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, bool>> joinExpression, string tableName)
+        {
+            var result = RightJoin<T12>(joinExpression);
+            result.QueryBuilder.JoinQueryInfos.Last().TableName = tableName;
+            return result;
+        }
+
         #region Where
         public new ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11> Where(Expression<Func<T, bool>> expression)
         {

Src/Asp.NetCore2/SqlSugar/Interface/IQueryable.cs

@@ -32,9 +32,13 @@ namespace SqlSugar
         ISugarQueryable<T, T2> RightJoin<T2>(ISugarQueryable<T2> joinQueryable, Expression<Func<T, T2, bool>> joinExpression);
         ISugarQueryable<T, T2> FullJoin<T2>(ISugarQueryable<T2> joinQueryable, Expression<Func<T, T2, bool>> joinExpression);
         ISugarQueryable<T,T2> LeftJoin<T2>(Expression<Func<T,T2,bool>> joinExpression);
+        ISugarQueryable<T, T2> LeftJoin<T2>(Expression<Func<T, T2, bool>> joinExpression,string tableName);
         ISugarQueryable<T, T2> FullJoin<T2>(Expression<Func<T, T2, bool>> joinExpression);
+        ISugarQueryable<T, T2> FullJoin<T2>(Expression<Func<T, T2, bool>> joinExpression,string tableName);
         ISugarQueryable<T, T2> InnerJoin<T2>(Expression<Func<T, T2, bool>> joinExpression);
+        ISugarQueryable<T, T2> InnerJoin<T2>(Expression<Func<T, T2, bool>> joinExpression,string tableName);
         ISugarQueryable<T, T2> RightJoin<T2>(Expression<Func<T, T2, bool>> joinExpression);
+        ISugarQueryable<T, T2> RightJoin<T2>(Expression<Func<T, T2, bool>> joinExpression,string tableName);
         ISugarQueryable<T> Filter(string FilterName, bool isDisabledGobalFilter = false);
         ISugarQueryable<T> ClearFilter(params Type[] types);
         ISugarQueryable<T> ClearFilter<FilterType1>();
@@ -249,6 +253,11 @@ namespace SqlSugar
         ISugarQueryable<T, T2, T3> FullJoin<T3>(Expression<Func<T, T2, T3, bool>> joinExpression);
         ISugarQueryable<T, T2, T3> InnerJoin<T3>(Expression<Func<T, T2, T3, bool>> joinExpression);
         ISugarQueryable<T, T2, T3> RightJoin<T3>(Expression<Func<T, T2, T3, bool>> joinExpression);
+
+        ISugarQueryable<T, T2, T3> LeftJoin<T3>(Expression<Func<T, T2, T3, bool>> joinExpression,string tableName);
+        ISugarQueryable<T, T2, T3> FullJoin<T3>(Expression<Func<T, T2, T3, bool>> joinExpression,string tableName);
+        ISugarQueryable<T, T2, T3> InnerJoin<T3>(Expression<Func<T, T2, T3, bool>> joinExpression,string tableName);
+        ISugarQueryable<T, T2, T3> RightJoin<T3>(Expression<Func<T, T2, T3, bool>> joinExpression,string tableName);
         #region Where
         new ISugarQueryable<T, T2> Where(Expression<Func<T, bool>> expression);
         ISugarQueryable<T, T2> Where(Expression<Func<T, T2, bool>> expression);
@@ -360,6 +369,10 @@ namespace SqlSugar
         ISugarQueryable<T, T2, T3, T4> FullJoin<T4>(Expression<Func<T, T2, T3, T4, bool>> joinExpression);
         ISugarQueryable<T, T2, T3,T4> InnerJoin<T4>(Expression<Func<T, T2, T3,T4, bool>> joinExpression);
         ISugarQueryable<T, T2, T3, T4> RightJoin<T4>(Expression<Func<T, T2, T3, T4, bool>> joinExpression);
+        ISugarQueryable<T, T2, T3, T4> LeftJoin<T4>(Expression<Func<T, T2, T3, T4, bool>> joinExpression,string tableName);
+        ISugarQueryable<T, T2, T3, T4> FullJoin<T4>(Expression<Func<T, T2, T3, T4, bool>> joinExpression,string tableName);
+        ISugarQueryable<T, T2, T3, T4> InnerJoin<T4>(Expression<Func<T, T2, T3, T4, bool>> joinExpression,string tableName);
+        ISugarQueryable<T, T2, T3, T4> RightJoin<T4>(Expression<Func<T, T2, T3, T4, bool>> joinExpression,string tableName);
         #region Where
         new ISugarQueryable<T, T2, T3> Where(Expression<Func<T, bool>> expression);
         ISugarQueryable<T, T2, T3> Where(Expression<Func<T, T2, bool>> expression);
@@ -486,6 +499,10 @@ namespace SqlSugar
         ISugarQueryable<T, T2, T3, T4, T5> FullJoin<T5>(Expression<Func<T, T2, T3, T4, T5, bool>> joinExpression);
         ISugarQueryable<T, T2, T3, T4,T5> InnerJoin<T5>(Expression<Func<T, T2, T3, T4,T5, bool>> joinExpression);
         ISugarQueryable<T, T2, T3, T4, T5> RightJoin<T5>(Expression<Func<T, T2, T3, T4, T5, bool>> joinExpression);
+        ISugarQueryable<T, T2, T3, T4, T5> LeftJoin<T5>(Expression<Func<T, T2, T3, T4, T5, bool>> joinExpression,string tableName);
+        ISugarQueryable<T, T2, T3, T4, T5> FullJoin<T5>(Expression<Func<T, T2, T3, T4, T5, bool>> joinExpression, string tableName);
+        ISugarQueryable<T, T2, T3, T4, T5> InnerJoin<T5>(Expression<Func<T, T2, T3, T4, T5, bool>> joinExpression, string tableName);
+        ISugarQueryable<T, T2, T3, T4, T5> RightJoin<T5>(Expression<Func<T, T2, T3, T4, T5, bool>> joinExpression, string tableName);
 
         #region Where
         new ISugarQueryable<T, T2, T3, T4> Where(Expression<Func<T, bool>> expression);
@@ -619,6 +636,10 @@ namespace SqlSugar
         ISugarQueryable<T, T2, T3, T4, T5, T6> FullJoin<T6>(Expression<Func<T, T2, T3, T4, T5, T6, bool>> joinExpression);
         ISugarQueryable<T, T2, T3, T4, T5,T6> InnerJoin<T6>(Expression<Func<T, T2, T3, T4, T5,T6, bool>> joinExpression);
         ISugarQueryable<T, T2, T3, T4, T5, T6> RightJoin<T6>(Expression<Func<T, T2, T3, T4, T5, T6, bool>> joinExpression);
+        ISugarQueryable<T, T2, T3, T4, T5, T6> LeftJoin<T6>(Expression<Func<T, T2, T3, T4, T5, T6, bool>> joinExpression,string tableName);
+        ISugarQueryable<T, T2, T3, T4, T5, T6> FullJoin<T6>(Expression<Func<T, T2, T3, T4, T5, T6, bool>> joinExpression,string tableName);
+        ISugarQueryable<T, T2, T3, T4, T5, T6> InnerJoin<T6>(Expression<Func<T, T2, T3, T4, T5, T6, bool>> joinExpression,string tableName);
+        ISugarQueryable<T, T2, T3, T4, T5, T6> RightJoin<T6>(Expression<Func<T, T2, T3, T4, T5, T6, bool>> joinExpression,string tableName);
 
         #region Where
         new ISugarQueryable<T, T2, T3, T4, T5> Where(Expression<Func<T, bool>> expression);
@@ -744,6 +765,10 @@ namespace SqlSugar
         ISugarQueryable<T, T2, T3, T4, T5, T6, T7> FullJoin<T7>(Expression<Func<T, T2, T3, T4, T5, T6, T7, bool>> joinExpression);
         ISugarQueryable<T, T2, T3, T4, T5, T6,T7> InnerJoin<T7>(Expression<Func<T, T2, T3, T4, T5, T6,T7, bool>> joinExpression);
         ISugarQueryable<T, T2, T3, T4, T5, T6, T7> RightJoin<T7>(Expression<Func<T, T2, T3, T4, T5, T6, T7, bool>> joinExpression);
+        ISugarQueryable<T, T2, T3, T4, T5, T6, T7> LeftJoin<T7>(Expression<Func<T, T2, T3, T4, T5, T6, T7, bool>> joinExpression,string tableName);
+        ISugarQueryable<T, T2, T3, T4, T5, T6, T7> FullJoin<T7>(Expression<Func<T, T2, T3, T4, T5, T6, T7, bool>> joinExpression, string tableName);
+        ISugarQueryable<T, T2, T3, T4, T5, T6, T7> InnerJoin<T7>(Expression<Func<T, T2, T3, T4, T5, T6, T7, bool>> joinExpression, string tableName);
+        ISugarQueryable<T, T2, T3, T4, T5, T6, T7> RightJoin<T7>(Expression<Func<T, T2, T3, T4, T5, T6, T7, bool>> joinExpression, string tableName);
 
         #region Where
         new ISugarQueryable<T, T2, T3, T4, T5, T6> Where(Expression<Func<T, bool>> expression);
@@ -878,6 +903,10 @@ namespace SqlSugar
         ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8> FullJoin<T8>(Expression<Func<T, T2, T3, T4, T5, T6, T7, T8, bool>> joinExpression);
         ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8> InnerJoin<T8>(Expression<Func<T, T2, T3, T4, T5, T6, T7,T8, bool>> joinExpression);
         ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8> RightJoin<T8>(Expression<Func<T, T2, T3, T4, T5, T6, T7, T8, bool>> joinExpression);
+        ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8> LeftJoin<T8>(Expression<Func<T, T2, T3, T4, T5, T6, T7, T8, bool>> joinExpression,string tableName);
+        ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8> FullJoin<T8>(Expression<Func<T, T2, T3, T4, T5, T6, T7, T8, bool>> joinExpression, string tableName);
+        ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8> InnerJoin<T8>(Expression<Func<T, T2, T3, T4, T5, T6, T7, T8, bool>> joinExpression, string tableName);
+        ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8> RightJoin<T8>(Expression<Func<T, T2, T3, T4, T5, T6, T7, T8, bool>> joinExpression, string tableName);
 
         #region Where
         new ISugarQueryable<T, T2, T3, T4, T5, T6, T7> Where(Expression<Func<T, bool>> expression);
@@ -999,6 +1028,10 @@ namespace SqlSugar
         ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8, T9> FullJoin<T9>(Expression<Func<T, T2, T3, T4, T5, T6, T7, T8, T9, bool>> joinExpression);
         ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8,T9> InnerJoin<T9>(Expression<Func<T, T2, T3, T4, T5, T6, T7, T8,T9, bool>> joinExpression);
         ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8, T9> RightJoin<T9>(Expression<Func<T, T2, T3, T4, T5, T6, T7, T8, T9, bool>> joinExpression);
+        ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8, T9> LeftJoin<T9>(Expression<Func<T, T2, T3, T4, T5, T6, T7, T8, T9, bool>> joinExpression,string tableName);
+        ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8, T9> FullJoin<T9>(Expression<Func<T, T2, T3, T4, T5, T6, T7, T8, T9, bool>> joinExpression, string tableName);
+        ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8, T9> InnerJoin<T9>(Expression<Func<T, T2, T3, T4, T5, T6, T7, T8, T9, bool>> joinExpression, string tableName);
+        ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8, T9> RightJoin<T9>(Expression<Func<T, T2, T3, T4, T5, T6, T7, T8, T9, bool>> joinExpression, string tableName);
 
         #region Where
         new ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8> Where(Expression<Func<T, bool>> expression);
@@ -1128,6 +1161,10 @@ namespace SqlSugar
         ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8, T9, T10> FullJoin<T10>(Expression<Func<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, bool>> joinExpression);
         ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8, T9, T10> InnerJoin<T10>(Expression<Func<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, bool>> joinExpression);
         ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8, T9, T10> RightJoin<T10>(Expression<Func<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, bool>> joinExpression);
+        ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8, T9, T10> LeftJoin<T10>(Expression<Func<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, bool>> joinExpression,string tableName);
+        ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8, T9, T10> FullJoin<T10>(Expression<Func<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, bool>> joinExpression,string tableName);
+        ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8, T9, T10> InnerJoin<T10>(Expression<Func<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, bool>> joinExpression,string tableName);
+        ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8, T9, T10> RightJoin<T10>(Expression<Func<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, bool>> joinExpression,string tableName);
 
         #region Where
         new ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8, T9> Where(Expression<Func<T, bool>> expression);
@@ -1245,6 +1282,10 @@ namespace SqlSugar
         ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11> FullJoin<T11>(Expression<Func<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, bool>> joinExpression);
         ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11> InnerJoin<T11>(Expression<Func<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, bool>> joinExpression);
         ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11> RightJoin<T11>(Expression<Func<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, bool>> joinExpression);
+        ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11> LeftJoin<T11>(Expression<Func<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, bool>> joinExpression,string tableName);
+        ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11> FullJoin<T11>(Expression<Func<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, bool>> joinExpression, string tableName);
+        ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11> InnerJoin<T11>(Expression<Func<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, bool>> joinExpression, string tableName);
+        ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11> RightJoin<T11>(Expression<Func<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, bool>> joinExpression, string tableName);
 
         #region Where
         new ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8, T9, T10> Where(Expression<Func<T, bool>> expression);
@@ -1370,6 +1411,10 @@ namespace SqlSugar
         ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12> FullJoin<T12>(Expression<Func<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, bool>> joinExpression);
         ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11,T12> InnerJoin<T12>(Expression<Func<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11,T12, bool>> joinExpression);
         ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12> RightJoin<T12>(Expression<Func<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, bool>> joinExpression);
+        ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12> LeftJoin<T12>(Expression<Func<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, bool>> joinExpression,string tableName);
+        ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12> FullJoin<T12>(Expression<Func<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, bool>> joinExpression, string tableName);
+        ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12> InnerJoin<T12>(Expression<Func<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, bool>> joinExpression, string tableName);
+        ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12> RightJoin<T12>(Expression<Func<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, bool>> joinExpression, string tableName);
 
         #region Where
         new ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11> Where(Expression<Func<T, bool>> expression);

Src/Asp.NetCore2/SqlSugar/Interface/ISimpleClient.cs

@@ -7,6 +7,7 @@ namespace SqlSugar
 {
     public interface ISimpleClient<T> where T : class, new()
     {
+        RepositoryType CopyNew<RepositoryType>() where RepositoryType : ISugarRepository;
         SimpleClient<ChangeType> Change<ChangeType>() where ChangeType : class, new();
         RepositoryType ChangeRepository<RepositoryType>() where RepositoryType : ISugarRepository ;
         IDeleteable<T> AsDeleteable();

Src/Asp.NetCore2/SqlSugar/SimpleClient.cs

@@ -35,6 +35,23 @@ namespace SqlSugar
         {
             return this.Context.GetSimpleClient<ChangeType>();
         }
+        public RepositoryType CopyNew<RepositoryType>() where RepositoryType : ISugarRepository 
+        {
+            Type type = typeof(RepositoryType);
+            var isAnyParamter = type.GetConstructors().Any(z => z.GetParameters().Any());
+            object o = null;
+            if (isAnyParamter)
+            {
+                o = Activator.CreateInstance(type, new string[] { null });
+            }
+            else
+            {
+                o = Activator.CreateInstance(type);
+            }
+            var result = (RepositoryType)o;
+            result.Context = this.Context.CopyNew();
+            return result;
+        }
         public RepositoryType ChangeRepository<RepositoryType>() where RepositoryType : ISugarRepository
         {
             Type type = typeof(RepositoryType);