- 修复 ISelect Any(lambda) 条件被附加的问题，不便于再次使用 ISelect 对象；

FreeSql.Tests/FreeSql.Tests/UnitTest3.cs

@@ -232,7 +232,7 @@ namespace FreeSql.Tests
                     EdiId1 = SqlExt.Max(a.Key).Over().PartitionBy(new { a.Value.EdiId, a.Value.Id }).OrderByDescending(new { a.Value.EdiId, a.Value.Id }).ToValue(),
                     EdiId2 = SqlExt.Max(a.Key).Over().PartitionBy(a.Value.EdiId).OrderByDescending(a.Value.Id).ToValue(),
 
-                    Sub1 = g.sqlite.Select<Edi>().Where(b => b.Id == a.Key).Count()
+                    Sub1 = g.sqlserver.Select<Edi>().Where(b => b.Id == a.Key).Count()
                 });
 
             var sqlextGroupConcat = g.mysql.Select<Edi, EdiItem>()

FreeSql/Internal/CommonProvider/SelectProvider/Select10Provider.cs

@@ -201,7 +201,10 @@ namespace FreeSql.Internal.CommonProvider
         {
             if (exp == null) return this.Any();
             for (var a = 0; a < exp.Parameters.Count; a++) _tables[a].Parameter = exp.Parameters[a];
-            return this.Where(_commonExpression.ExpressionWhereLambda(_tables, exp?.Body, null, _whereCascadeExpression, _params)).Any();
+            var oldwhere = _where.ToString();
+            var ret = this.Where(_commonExpression.ExpressionWhereLambda(_tables, exp?.Body, null, _whereCascadeExpression, _params)).Any();
+            _where.Clear().Append(oldwhere);
+            return ret;
         }
 
         TReturn ISelect<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10>.ToOne<TReturn>(Expression<Func<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, TReturn>> select) => (this as ISelect<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10>).Limit(1).ToList(select).FirstOrDefault();
@@ -260,11 +263,14 @@ namespace FreeSql.Internal.CommonProvider
             return this.InternalToDataTableAsync(select?.Body);
         }
 
-        Task<bool> ISelect<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10>.AnyAsync(Expression<Func<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, bool>> exp)
+        async Task<bool> ISelect<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10>.AnyAsync(Expression<Func<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, bool>> exp)
         {
-            if (exp == null) return this.AnyAsync();
+            if (exp == null) return await this.AnyAsync();
             for (var a = 0; a < exp.Parameters.Count; a++) _tables[a].Parameter = exp.Parameters[a];
-            return this.Where(_commonExpression.ExpressionWhereLambda(_tables, exp?.Body, null, _whereCascadeExpression, _params)).AnyAsync();
+            var oldwhere = _where.ToString();
+            var ret = await this.Where(_commonExpression.ExpressionWhereLambda(_tables, exp?.Body, null, _whereCascadeExpression, _params)).AnyAsync();
+            _where.Clear().Append(oldwhere);
+            return ret;
         }
 
         async Task<TReturn> ISelect<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10>.ToOneAsync<TReturn>(Expression<Func<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, TReturn>> select) => (await (this as ISelect<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10>).Limit(1).ToListAsync(select)).FirstOrDefault();

FreeSql/Internal/CommonProvider/SelectProvider/Select1Provider.cs

@@ -274,7 +274,13 @@ namespace FreeSql.Internal.CommonProvider
             return this;
         }
 
-        public bool Any(Expression<Func<T1, bool>> exp) => this.Where(exp).Any();
+        public bool Any(Expression<Func<T1, bool>> exp)
+        {
+            var oldwhere = _where.ToString();
+            var ret = this.Where(exp).Any();
+            _where.Clear().Append(oldwhere);
+            return ret;
+        }
 
         public TReturn ToOne<TReturn>(Expression<Func<T1, TReturn>> select) => this.Limit(1).ToList(select).FirstOrDefault();
         public TDto ToOne<TDto>() => this.Limit(1).ToList<TDto>().FirstOrDefault();
@@ -1083,7 +1089,13 @@ namespace FreeSql.Internal.CommonProvider
             return this.InternalToAggregateAsync<TReturn>(select?.Body);
         }
 
-        public Task<bool> AnyAsync(Expression<Func<T1, bool>> exp) => this.Where(exp).AnyAsync();
+        async public Task<bool> AnyAsync(Expression<Func<T1, bool>> exp)
+        {
+            var oldwhere = _where.ToString();
+            var ret = await this.Where(exp).AnyAsync();
+            _where.Clear().Append(oldwhere);
+            return ret;
+        }
         async public Task<TReturn> ToOneAsync<TReturn>(Expression<Func<T1, TReturn>> select) => (await this.Limit(1).ToListAsync(select)).FirstOrDefault();
         async public Task<TDto> ToOneAsync<TDto>() => (await this.Limit(1).ToListAsync<TDto>()).FirstOrDefault();
         public Task<TReturn> FirstAsync<TReturn>(Expression<Func<T1, TReturn>> select) => this.ToOneAsync(select);

FreeSql/Internal/CommonProvider/SelectProvider/Select2Provider.cs

@@ -169,7 +169,10 @@ namespace FreeSql.Internal.CommonProvider
         {
             if (exp == null) return this.Any();
             for (var a = 0; a < exp.Parameters.Count; a++) _tables[a].Parameter = exp.Parameters[a];
-            return this.Where(_commonExpression.ExpressionWhereLambda(_tables, exp?.Body, null, _whereCascadeExpression, _params)).Any();
+            var oldwhere = _where.ToString();
+            var ret = this.Where(_commonExpression.ExpressionWhereLambda(_tables, exp?.Body, null, _whereCascadeExpression, _params)).Any();
+            _where.Clear().Append(oldwhere);
+            return ret;
         }
 
         TReturn ISelect<T1, T2>.ToOne<TReturn>(Expression<Func<T1, T2, TReturn>> select) => (this as ISelect<T1, T2>).Limit(1).ToList(select).FirstOrDefault();
@@ -228,11 +231,14 @@ namespace FreeSql.Internal.CommonProvider
             return this.InternalToDataTableAsync(select?.Body);
         }
 
-        Task<bool> ISelect<T1, T2>.AnyAsync(Expression<Func<T1, T2, bool>> exp)
+        async Task<bool> ISelect<T1, T2>.AnyAsync(Expression<Func<T1, T2, bool>> exp)
         {
-            if (exp == null) return this.AnyAsync();
+            if (exp == null) return await this.AnyAsync();
             for (var a = 0; a < exp.Parameters.Count; a++) _tables[a].Parameter = exp.Parameters[a];
-            return this.Where(_commonExpression.ExpressionWhereLambda(_tables, exp?.Body, null, _whereCascadeExpression, _params)).AnyAsync();
+            var oldwhere = _where.ToString();
+            var ret = await this.Where(_commonExpression.ExpressionWhereLambda(_tables, exp?.Body, null, _whereCascadeExpression, _params)).AnyAsync();
+            _where.Clear().Append(oldwhere);
+            return ret;
         }
 
         async Task<TReturn> ISelect<T1, T2>.ToOneAsync<TReturn>(Expression<Func<T1, T2, TReturn>> select) => (await (this as ISelect<T1, T2>).Limit(1).ToListAsync(select)).FirstOrDefault();

FreeSql/Internal/CommonProvider/SelectProvider/Select3Provider.cs

@@ -173,7 +173,10 @@ namespace FreeSql.Internal.CommonProvider
         {
             if (exp == null) return this.Any();
             for (var a = 0; a < exp.Parameters.Count; a++) _tables[a].Parameter = exp.Parameters[a];
-            return this.Where(_commonExpression.ExpressionWhereLambda(_tables, exp?.Body, null, _whereCascadeExpression, _params)).Any();
+            var oldwhere = _where.ToString();
+            var ret = this.Where(_commonExpression.ExpressionWhereLambda(_tables, exp?.Body, null, _whereCascadeExpression, _params)).Any();
+            _where.Clear().Append(oldwhere);
+            return ret;
         }
 
         TReturn ISelect<T1, T2, T3>.ToOne<TReturn>(Expression<Func<T1, T2, T3, TReturn>> select) => (this as ISelect<T1, T2, T3>).Limit(1).ToList(select).FirstOrDefault();
@@ -232,11 +235,14 @@ namespace FreeSql.Internal.CommonProvider
             return this.InternalToDataTableAsync(select?.Body);
         }
 
-        Task<bool> ISelect<T1, T2, T3>.AnyAsync(Expression<Func<T1, T2, T3, bool>> exp)
+        async Task<bool> ISelect<T1, T2, T3>.AnyAsync(Expression<Func<T1, T2, T3, bool>> exp)
         {
-            if (exp == null) return this.AnyAsync();
+            if (exp == null) return await this.AnyAsync();
             for (var a = 0; a < exp.Parameters.Count; a++) _tables[a].Parameter = exp.Parameters[a];
-            return this.Where(_commonExpression.ExpressionWhereLambda(_tables, exp?.Body, null, _whereCascadeExpression, _params)).AnyAsync();
+            var oldwhere = _where.ToString();
+            var ret = await this.Where(_commonExpression.ExpressionWhereLambda(_tables, exp?.Body, null, _whereCascadeExpression, _params)).AnyAsync();
+            _where.Clear().Append(oldwhere);
+            return ret;
         }
 
         async Task<TReturn> ISelect<T1, T2, T3>.ToOneAsync<TReturn>(Expression<Func<T1, T2, T3, TReturn>> select) => (await (this as ISelect<T1, T2, T3>).Limit(1).ToListAsync(select)).FirstOrDefault();

FreeSql/Internal/CommonProvider/SelectProvider/Select4Provider.cs

@@ -177,7 +177,10 @@ namespace FreeSql.Internal.CommonProvider
         {
             if (exp == null) return this.Any();
             for (var a = 0; a < exp.Parameters.Count; a++) _tables[a].Parameter = exp.Parameters[a];
-            return this.Where(_commonExpression.ExpressionWhereLambda(_tables, exp?.Body, null, _whereCascadeExpression, _params)).Any();
+            var oldwhere = _where.ToString();
+            var ret = this.Where(_commonExpression.ExpressionWhereLambda(_tables, exp?.Body, null, _whereCascadeExpression, _params)).Any();
+            _where.Clear().Append(oldwhere);
+            return ret;
         }
 
         TReturn ISelect<T1, T2, T3, T4>.ToOne<TReturn>(Expression<Func<T1, T2, T3, T4, TReturn>> select) => (this as ISelect<T1, T2, T3, T4>).Limit(1).ToList(select).FirstOrDefault();
@@ -236,11 +239,14 @@ namespace FreeSql.Internal.CommonProvider
             return this.InternalToDataTableAsync(select?.Body);
         }
 
-        Task<bool> ISelect<T1, T2, T3, T4>.AnyAsync(Expression<Func<T1, T2, T3, T4, bool>> exp)
+        async Task<bool> ISelect<T1, T2, T3, T4>.AnyAsync(Expression<Func<T1, T2, T3, T4, bool>> exp)
         {
-            if (exp == null) return this.AnyAsync();
+            if (exp == null) return await this.AnyAsync();
             for (var a = 0; a < exp.Parameters.Count; a++) _tables[a].Parameter = exp.Parameters[a];
-            return this.Where(_commonExpression.ExpressionWhereLambda(_tables, exp?.Body, null, _whereCascadeExpression, _params)).AnyAsync();
+            var oldwhere = _where.ToString();
+            var ret = await this.Where(_commonExpression.ExpressionWhereLambda(_tables, exp?.Body, null, _whereCascadeExpression, _params)).AnyAsync();
+            _where.Clear().Append(oldwhere);
+            return ret;
         }
 
         async Task<TReturn> ISelect<T1, T2, T3, T4>.ToOneAsync<TReturn>(Expression<Func<T1, T2, T3, T4, TReturn>> select) => (await (this as ISelect<T1, T2, T3, T4>).Limit(1).ToListAsync(select)).FirstOrDefault();

FreeSql/Internal/CommonProvider/SelectProvider/Select5Provider.cs

@@ -181,7 +181,10 @@ namespace FreeSql.Internal.CommonProvider
         {
             if (exp == null) return this.Any();
             for (var a = 0; a < exp.Parameters.Count; a++) _tables[a].Parameter = exp.Parameters[a];
-            return this.Where(_commonExpression.ExpressionWhereLambda(_tables, exp?.Body, null, _whereCascadeExpression, _params)).Any();
+            var oldwhere = _where.ToString();
+            var ret = this.Where(_commonExpression.ExpressionWhereLambda(_tables, exp?.Body, null, _whereCascadeExpression, _params)).Any();
+            _where.Clear().Append(oldwhere);
+            return ret;
         }
 
         TReturn ISelect<T1, T2, T3, T4, T5>.ToOne<TReturn>(Expression<Func<T1, T2, T3, T4, T5, TReturn>> select) => (this as ISelect<T1, T2, T3, T4, T5>).Limit(1).ToList(select).FirstOrDefault();
@@ -240,11 +243,14 @@ namespace FreeSql.Internal.CommonProvider
             return this.InternalToDataTableAsync(select?.Body);
         }
 
-        Task<bool> ISelect<T1, T2, T3, T4, T5>.AnyAsync(Expression<Func<T1, T2, T3, T4, T5, bool>> exp)
+        async Task<bool> ISelect<T1, T2, T3, T4, T5>.AnyAsync(Expression<Func<T1, T2, T3, T4, T5, bool>> exp)
         {
-            if (exp == null) return this.AnyAsync();
+            if (exp == null) return await this.AnyAsync();
             for (var a = 0; a < exp.Parameters.Count; a++) _tables[a].Parameter = exp.Parameters[a];
-            return this.Where(_commonExpression.ExpressionWhereLambda(_tables, exp?.Body, null, _whereCascadeExpression, _params)).AnyAsync();
+            var oldwhere = _where.ToString();
+            var ret = await this.Where(_commonExpression.ExpressionWhereLambda(_tables, exp?.Body, null, _whereCascadeExpression, _params)).AnyAsync();
+            _where.Clear().Append(oldwhere);
+            return ret;
         }
 
         async Task<TReturn> ISelect<T1, T2, T3, T4, T5>.ToOneAsync<TReturn>(Expression<Func<T1, T2, T3, T4, T5, TReturn>> select) => (await (this as ISelect<T1, T2, T3, T4, T5>).Limit(1).ToListAsync(select)).FirstOrDefault();

FreeSql/Internal/CommonProvider/SelectProvider/Select6Provider.cs

@@ -185,7 +185,10 @@ namespace FreeSql.Internal.CommonProvider
         {
             if (exp == null) return this.Any();
             for (var a = 0; a < exp.Parameters.Count; a++) _tables[a].Parameter = exp.Parameters[a];
-            return this.Where(_commonExpression.ExpressionWhereLambda(_tables, exp?.Body, null, _whereCascadeExpression, _params)).Any();
+            var oldwhere = _where.ToString();
+            var ret = this.Where(_commonExpression.ExpressionWhereLambda(_tables, exp?.Body, null, _whereCascadeExpression, _params)).Any();
+            _where.Clear().Append(oldwhere);
+            return ret;
         }
 
         TReturn ISelect<T1, T2, T3, T4, T5, T6>.ToOne<TReturn>(Expression<Func<T1, T2, T3, T4, T5, T6, TReturn>> select) => (this as ISelect<T1, T2, T3, T4, T5, T6>).Limit(1).ToList(select).FirstOrDefault();
@@ -244,11 +247,14 @@ namespace FreeSql.Internal.CommonProvider
             return this.InternalToDataTableAsync(select?.Body);
         }
 
-        Task<bool> ISelect<T1, T2, T3, T4, T5, T6>.AnyAsync(Expression<Func<T1, T2, T3, T4, T5, T6, bool>> exp)
+        async Task<bool> ISelect<T1, T2, T3, T4, T5, T6>.AnyAsync(Expression<Func<T1, T2, T3, T4, T5, T6, bool>> exp)
         {
-            if (exp == null) return this.AnyAsync();
+            if (exp == null) return await this.AnyAsync();
             for (var a = 0; a < exp.Parameters.Count; a++) _tables[a].Parameter = exp.Parameters[a];
-            return this.Where(_commonExpression.ExpressionWhereLambda(_tables, exp?.Body, null, _whereCascadeExpression, _params)).AnyAsync();
+            var oldwhere = _where.ToString();
+            var ret = await this.Where(_commonExpression.ExpressionWhereLambda(_tables, exp?.Body, null, _whereCascadeExpression, _params)).AnyAsync();
+            _where.Clear().Append(oldwhere);
+            return ret;
         }
 
         async Task<TReturn> ISelect<T1, T2, T3, T4, T5, T6>.ToOneAsync<TReturn>(Expression<Func<T1, T2, T3, T4, T5, T6, TReturn>> select) => (await (this as ISelect<T1, T2, T3, T4, T5, T6>).Limit(1).ToListAsync(select)).FirstOrDefault();

FreeSql/Internal/CommonProvider/SelectProvider/Select7Provider.cs

@@ -189,7 +189,10 @@ namespace FreeSql.Internal.CommonProvider
         {
             if (exp == null) return this.Any();
             for (var a = 0; a < exp.Parameters.Count; a++) _tables[a].Parameter = exp.Parameters[a];
-            return this.Where(_commonExpression.ExpressionWhereLambda(_tables, exp?.Body, null, _whereCascadeExpression, _params)).Any();
+            var oldwhere = _where.ToString();
+            var ret = this.Where(_commonExpression.ExpressionWhereLambda(_tables, exp?.Body, null, _whereCascadeExpression, _params)).Any();
+            _where.Clear().Append(oldwhere);
+            return ret;
         }
 
         TReturn ISelect<T1, T2, T3, T4, T5, T6, T7>.ToOne<TReturn>(Expression<Func<T1, T2, T3, T4, T5, T6, T7, TReturn>> select) => (this as ISelect<T1, T2, T3, T4, T5, T6, T7>).Limit(1).ToList(select).FirstOrDefault();
@@ -248,11 +251,14 @@ namespace FreeSql.Internal.CommonProvider
             return this.InternalToDataTableAsync(select?.Body);
         }
 
-        Task<bool> ISelect<T1, T2, T3, T4, T5, T6, T7>.AnyAsync(Expression<Func<T1, T2, T3, T4, T5, T6, T7, bool>> exp)
+        async Task<bool> ISelect<T1, T2, T3, T4, T5, T6, T7>.AnyAsync(Expression<Func<T1, T2, T3, T4, T5, T6, T7, bool>> exp)
         {
-            if (exp == null) return this.AnyAsync();
+            if (exp == null) return await this.AnyAsync();
             for (var a = 0; a < exp.Parameters.Count; a++) _tables[a].Parameter = exp.Parameters[a];
-            return this.Where(_commonExpression.ExpressionWhereLambda(_tables, exp?.Body, null, _whereCascadeExpression, _params)).AnyAsync();
+            var oldwhere = _where.ToString();
+            var ret = await this.Where(_commonExpression.ExpressionWhereLambda(_tables, exp?.Body, null, _whereCascadeExpression, _params)).AnyAsync();
+            _where.Clear().Append(oldwhere);
+            return ret;
         }
 
         async Task<TReturn> ISelect<T1, T2, T3, T4, T5, T6, T7>.ToOneAsync<TReturn>(Expression<Func<T1, T2, T3, T4, T5, T6, T7, TReturn>> select) => (await (this as ISelect<T1, T2, T3, T4, T5, T6, T7>).Limit(1).ToListAsync(select)).FirstOrDefault();

FreeSql/Internal/CommonProvider/SelectProvider/Select8Provider.cs

@@ -193,7 +193,10 @@ namespace FreeSql.Internal.CommonProvider
         {
             if (exp == null) return this.Any();
             for (var a = 0; a < exp.Parameters.Count; a++) _tables[a].Parameter = exp.Parameters[a];
-            return this.Where(_commonExpression.ExpressionWhereLambda(_tables, exp?.Body, null, _whereCascadeExpression, _params)).Any();
+            var oldwhere = _where.ToString();
+            var ret = this.Where(_commonExpression.ExpressionWhereLambda(_tables, exp?.Body, null, _whereCascadeExpression, _params)).Any();
+            _where.Clear().Append(oldwhere);
+            return ret;
         }
 
         TReturn ISelect<T1, T2, T3, T4, T5, T6, T7, T8>.ToOne<TReturn>(Expression<Func<T1, T2, T3, T4, T5, T6, T7, T8, TReturn>> select) => (this as ISelect<T1, T2, T3, T4, T5, T6, T7, T8>).Limit(1).ToList(select).FirstOrDefault();
@@ -252,11 +255,14 @@ namespace FreeSql.Internal.CommonProvider
             return this.InternalToDataTableAsync(select?.Body);
         }
 
-        Task<bool> ISelect<T1, T2, T3, T4, T5, T6, T7, T8>.AnyAsync(Expression<Func<T1, T2, T3, T4, T5, T6, T7, T8, bool>> exp)
+        async Task<bool> ISelect<T1, T2, T3, T4, T5, T6, T7, T8>.AnyAsync(Expression<Func<T1, T2, T3, T4, T5, T6, T7, T8, bool>> exp)
         {
-            if (exp == null) return this.AnyAsync();
+            if (exp == null) return await this.AnyAsync();
             for (var a = 0; a < exp.Parameters.Count; a++) _tables[a].Parameter = exp.Parameters[a];
-            return this.Where(_commonExpression.ExpressionWhereLambda(_tables, exp?.Body, null, _whereCascadeExpression, _params)).AnyAsync();
+            var oldwhere = _where.ToString();
+            var ret = await this.Where(_commonExpression.ExpressionWhereLambda(_tables, exp?.Body, null, _whereCascadeExpression, _params)).AnyAsync();
+            _where.Clear().Append(oldwhere);
+            return ret;
         }
 
         async Task<TReturn> ISelect<T1, T2, T3, T4, T5, T6, T7, T8>.ToOneAsync<TReturn>(Expression<Func<T1, T2, T3, T4, T5, T6, T7, T8, TReturn>> select) => (await (this as ISelect<T1, T2, T3, T4, T5, T6, T7, T8>).Limit(1).ToListAsync(select)).FirstOrDefault();

FreeSql/Internal/CommonProvider/SelectProvider/Select9Provider.cs

@@ -193,7 +193,10 @@ namespace FreeSql.Internal.CommonProvider
         {
             if (exp == null) return this.Any();
             for (var a = 0; a < exp.Parameters.Count; a++) _tables[a].Parameter = exp.Parameters[a];
-            return this.Where(_commonExpression.ExpressionWhereLambda(_tables, exp?.Body, null, _whereCascadeExpression, _params)).Any();
+            var oldwhere = _where.ToString();
+            var ret = this.Where(_commonExpression.ExpressionWhereLambda(_tables, exp?.Body, null, _whereCascadeExpression, _params)).Any();
+            _where.Clear().Append(oldwhere);
+            return ret;
         }
 
         TReturn ISelect<T1, T2, T3, T4, T5, T6, T7, T8, T9>.ToOne<TReturn>(Expression<Func<T1, T2, T3, T4, T5, T6, T7, T8, T9, TReturn>> select) => (this as ISelect<T1, T2, T3, T4, T5, T6, T7, T8, T9>).Limit(1).ToList(select).FirstOrDefault();
@@ -202,11 +205,14 @@ namespace FreeSql.Internal.CommonProvider
 
 #if net40
 #else
-        Task<bool> ISelect<T1, T2, T3, T4, T5, T6, T7, T8, T9>.AnyAsync(Expression<Func<T1, T2, T3, T4, T5, T6, T7, T8, T9, bool>> exp)
+        async Task<bool> ISelect<T1, T2, T3, T4, T5, T6, T7, T8, T9>.AnyAsync(Expression<Func<T1, T2, T3, T4, T5, T6, T7, T8, T9, bool>> exp)
         {
-            if (exp == null) return this.AnyAsync();
+            if (exp == null) return await this.AnyAsync();
             for (var a = 0; a < exp.Parameters.Count; a++) _tables[a].Parameter = exp.Parameters[a];
-            return this.Where(_commonExpression.ExpressionWhereLambda(_tables, exp?.Body, null, _whereCascadeExpression, _params)).AnyAsync();
+            var oldwhere = _where.ToString();
+            var ret = await this.Where(_commonExpression.ExpressionWhereLambda(_tables, exp?.Body, null, _whereCascadeExpression, _params)).AnyAsync();
+            _where.Clear().Append(oldwhere);
+            return ret;
         }
 
         Task<DataTable> ISelect<T1, T2, T3, T4, T5, T6, T7, T8, T9>.ToDataTableAsync<TReturn>(Expression<Func<T1, T2, T3, T4, T5, T6, T7, T8, T9, TReturn>> select)