Update Queryable.ToParentList

Src/Asp.Net/SqlServerTest/UnitTest/UCustom09.cs

@@ -28,7 +28,7 @@ namespace OrmTest
                  //count  = SqlFunc.AggregateSum(SqlFunc.IIF(b.客户确认状态 < 20, 1, 0))
              }).ToList();
           
-            db.Queryable<Tree>().ToParentList(it => it.ParentId, "0");
+            db.Queryable<Tree>().LeftJoin<Tree>((t,y)=>t.Id==y.Id).Where(t=>1==1).Select(t=>t).ToParentList(it => it.ParentId, "0");
         }
 
         public class Unitadfaint21

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

@@ -1123,16 +1123,28 @@ namespace SqlSugar
             var parentIdName =UtilConvert.ToMemberExpression((parentIdExpression as LambdaExpression).Body).Member.Name;
             var ParentInfo = entity.Columns.First(it => it.PropertyName == parentIdName);
             var parentPropertyName= ParentInfo.DbColumnName;
-            var current = this.Context.Queryable<T>().AS(this.QueryBuilder.GetTableNameString).InSingle(primaryKeyValue);
+            var tableName= this.QueryBuilder.GetTableNameString;
+            if (this.QueryBuilder.IsSingle() == false) 
+            {
+                if (this.QueryBuilder.JoinQueryInfos.Count>0)
+                {
+                    tableName = this.QueryBuilder.JoinQueryInfos.First().TableName;
+                }
+                if (this.QueryBuilder.EasyJoinInfos.Count>0)
+                {
+                    tableName = this.QueryBuilder.JoinQueryInfos.First().TableName;
+                }
+            }
+            var current = this.Context.Queryable<T>().AS(tableName).InSingle(primaryKeyValue);
             if (current != null)
             {
                 result.Add(current);
                 object parentId = ParentInfo.PropertyInfo.GetValue(current,null);
                 int i = 0;
-                while (parentId!=null&&this.Context.Queryable<T>().AS(this.QueryBuilder.GetTableNameString).In(parentId).Any())
+                while (parentId!=null&&this.Context.Queryable<T>().AS(tableName).In(parentId).Any())
                 {
                     Check.Exception(i > 100, ErrorMessage.GetThrowMessage("Dead cycle", "出现死循环或超出循环上限（100），检查最顶层的ParentId是否是null或者0"));
-                    var parent = this.Context.Queryable<T>().AS(this.QueryBuilder.GetTableNameString).InSingle(parentId);
+                    var parent = this.Context.Queryable<T>().AS(tableName).InSingle(parentId);
                     result.Add(parent);
                     parentId= ParentInfo.PropertyInfo.GetValue(parent, null);
                     ++i;
@@ -1148,16 +1160,28 @@ namespace SqlSugar
             var parentIdName = UtilConvert.ToMemberExpression((parentIdExpression as LambdaExpression).Body).Member.Name;
             var ParentInfo = entity.Columns.First(it => it.PropertyName == parentIdName);
             var parentPropertyName = ParentInfo.DbColumnName;
-            var current =await this.Context.Queryable<T>().AS(this.QueryBuilder.GetTableNameString).InSingleAsync(primaryKeyValue);
+            var tableName = this.QueryBuilder.GetTableNameString;
+            if (this.QueryBuilder.IsSingle() == false)
+            {
+                if (this.QueryBuilder.JoinQueryInfos.Count > 0)
+                {
+                    tableName = this.QueryBuilder.JoinQueryInfos.First().TableName;
+                }
+                if (this.QueryBuilder.EasyJoinInfos.Count > 0)
+                {
+                    tableName = this.QueryBuilder.JoinQueryInfos.First().TableName;
+                }
+            }
+            var current =await this.Context.Queryable<T>().AS(tableName).InSingleAsync(primaryKeyValue);
             if (current != null)
             {
                 result.Add(current);
                 object parentId = ParentInfo.PropertyInfo.GetValue(current, null);
                 int i = 0;
-                while (parentId != null &&await this.Context.Queryable<T>().AS(this.QueryBuilder.GetTableNameString).In(parentId).AnyAsync())
+                while (parentId != null &&await this.Context.Queryable<T>().AS(tableName).In(parentId).AnyAsync())
                 {
                     Check.Exception(i > 100, ErrorMessage.GetThrowMessage("Dead cycle", "出现死循环或超出循环上限（100），检查最顶层的ParentId是否是null或者0"));
-                    var parent =await this.Context.Queryable<T>().AS(this.QueryBuilder.GetTableNameString).InSingleAsync(parentId);
+                    var parent =await this.Context.Queryable<T>().AS(tableName).InSingleAsync(parentId);
                     result.Add(parent);
                     parentId = ParentInfo.PropertyInfo.GetValue(parent, null);
                     ++i;