Synchronization code

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

@@ -326,6 +326,10 @@ namespace SqlSugar
             {
                 navPkColumn = navEntityInfo.Columns.Where(it => it.PropertyName== navObjectNameColumnInfo.Navigat.Name2).FirstOrDefault();
             }
+            if (navPkColumn == null && navType.FullName.IsCollectionsList()) 
+            {
+                Check.ExceptionEasy($"{navObjectNamePropety.Name} type error ", $"一对一不能是List对象 {navObjectNamePropety.Name} ");
+            }
             var ids = list.Select(it => it.GetType().GetProperty(navObjectNameColumnInfo.Navigat.Name).GetValue(it)).Select(it => it == null ? "null" : it).Distinct().ToList();
             List<IConditionalModel> conditionalModels = new List<IConditionalModel>();
             conditionalModels.Add((new ConditionalModel()

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

@@ -942,9 +942,19 @@ namespace SqlSugar
                     {
                         this.QueryBuilder.AsTables[tableinfo.Key] = " (SELECT * FROM " + this.QueryBuilder.AsTables.First().Value + $" {SqlWith.NoLock} )";
                     }
+                    else if (this.QueryBuilder.IsSqlQuery && this.QueryBuilder.AsTables.First().Value.ObjToString().StartsWith("("))
+                    {
+                        var tableName = this.QueryBuilder.AsTables.First().Value;
+                        this.QueryBuilder.AsTables[tableinfo.Key] = " (SELECT * FROM " + tableName + ")" + this.QueryBuilder.TableShortName;
+                    }
                     else
                     {
-                        this.QueryBuilder.AsTables[tableinfo.Key] = " (SELECT * FROM " + this.QueryBuilder.AsTables.First().Value + ")";
+                        var tableName = this.QueryBuilder.AsTables.First().Value;
+                        if (tableName != null && Regex.IsMatch(tableName, @"^\w+$"))
+                        {
+                            tableName = SqlBuilder.GetTranslationTableName(tableName);
+                        }
+                        this.QueryBuilder.AsTables[tableinfo.Key] = " (SELECT * FROM " + tableName + ")";
                     }
                     this.QueryBuilder.SelectValue = this.QueryBuilder.TableShortName + ".*";
                 }
@@ -1575,5 +1585,17 @@ namespace SqlSugar
             return this.Context.Ado.SqlQuery<Type>(sql,parameters);
         }
         #endregion
+
+        #region Bool
+
+        private bool MasterHasWhereFirstJoin()
+        {
+            return this.QueryBuilder.JoinIndex == 0 &&
+                             this.QueryBuilder.IsSqlQuery == false &&
+                               !this.QueryBuilder.AsTables.Any() &&
+                                 this.QueryBuilder.IsSingle() &&
+                                  this.QueryBuilder.WhereInfos.Any();
+        }
+        #endregion
     }
 }

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

@@ -116,6 +116,11 @@ namespace SqlSugar
         }
         public ISugarQueryable<T, T2> LeftJoin<T2>(Expression<Func<T, T2, bool>> joinExpression)
         {
+            if (MasterHasWhereFirstJoin())
+            {
+                return this.MergeTable().LeftJoin<T2>(joinExpression);
+            }
+
             this.Context.InitMappingInfo<T2>();
             var result = InstanceFactory.GetQueryable<T, T2>(this.Context.CurrentConnectionConfig);
             result.SqlBuilder = this.SqlBuilder;
@@ -126,6 +131,11 @@ namespace SqlSugar
         }
         public ISugarQueryable<T, T2> FullJoin<T2>(Expression<Func<T, T2, bool>> joinExpression)
         {
+            if (MasterHasWhereFirstJoin())
+            {
+                return this.MergeTable().FullJoin<T2>(joinExpression);
+            }
+
             this.Context.InitMappingInfo<T2>();
             var result = InstanceFactory.GetQueryable<T, T2>(this.Context.CurrentConnectionConfig);
             result.SqlBuilder = this.SqlBuilder;
@@ -135,6 +145,12 @@ namespace SqlSugar
         }
         public ISugarQueryable<T, T2> RightJoin<T2>(Expression<Func<T, T2, bool>> joinExpression)
         {
+
+            if (MasterHasWhereFirstJoin())
+            {
+                return this.MergeTable().RightJoin<T2>(joinExpression);
+            }
+
             this.Context.InitMappingInfo<T2>();
             var result = InstanceFactory.GetQueryable<T, T2>(this.Context.CurrentConnectionConfig);
             result.SqlBuilder = this.SqlBuilder;
@@ -143,8 +159,14 @@ namespace SqlSugar
             return result;
         }
 
-        public ISugarQueryable<T, T2> InnerJoin<T2>(Expression<Func<T, T2, bool>> joinExpression) 
+        public ISugarQueryable<T, T2> InnerJoin<T2>(Expression<Func<T, T2, bool>> joinExpression)
         {
+
+            if (MasterHasWhereFirstJoin())
+            {
+                return this.MergeTable().InnerJoin<T2>(joinExpression);
+            }
+
             this.Context.InitMappingInfo<T2>();
             var result = InstanceFactory.GetQueryable<T, T2>(this.Context.CurrentConnectionConfig);
             result.SqlBuilder = this.SqlBuilder;
@@ -152,6 +174,7 @@ namespace SqlSugar
             result.QueryBuilder.JoinQueryInfos.Add(GetJoinInfo(joinExpression, JoinType.Inner));
             return result;
         }
+
         public void Clear()
         {
             QueryBuilder.Clear();

Src/Asp.NetCore2/SqlSugar/Realization/PostgreSQL/DbMaintenance/PostgreSQLDbMaintenance.cs

@@ -181,7 +181,7 @@ namespace SqlSugar
 
         protected override string IsAnyTableRemarkSql { get { throw new NotSupportedException(); } }
 
-        protected override string RenameTableSql => "alter table 表名 {0} to {1}";
+        protected override string RenameTableSql => "alter table  {0} to {1}";
 
         protected override string CreateIndexSql
         {