From 3efb41281cf9172067f38a7b776972c768919eb4 Mon Sep 17 00:00:00 2001
From: sunkaixuan <610262374@qq.com>
Date: Tue, 11 Jul 2017 13:51:05 +0800
Subject: [PATCH] MYSQL Query complex model BUG

---
 Src/Asp.Net/MySqlTest/Demos/1_Query.cs                     | 7 +++++++
 .../Realization/MySql/SqlBuilder/MySqlQueryBuilder.cs      | 6 +++++-
 .../Realization/Sqlite/SqlBuilder/SqliteQueryBuilder.cs    | 6 +++++-
 3 files changed, 17 insertions(+), 2 deletions(-)

diff --git a/Src/Asp.Net/MySqlTest/Demos/1_Query.cs b/Src/Asp.Net/MySqlTest/Demos/1_Query.cs
index 915da3535..24244d842 100644
--- a/Src/Asp.Net/MySqlTest/Demos/1_Query.cs
+++ b/Src/Asp.Net/MySqlTest/Demos/1_Query.cs
@@ -328,6 +328,13 @@ namespace OrmTest.Demo
          .OrderBy(st => st.Id, OrderByType.Desc)
          .OrderBy((st, sc) => sc.Id, OrderByType.Desc)
          .Select((st, sc) => new { Name = st.Name, SchoolId = sc.Id }).ToList();
+
+            var s7 = db.Queryable<Student, School>((st, sc) => new object[] {
+              JoinType.Left,st.SchoolId==sc.Id
+            })
+            .OrderBy(st => st.Id, OrderByType.Desc)
+            .OrderBy((st, sc) => sc.Id, OrderByType.Desc)
+            .Select((st, sc) => new ViewModelStudent2 { Name = st.Name, Student=st }).ToList();
         }
         private static void Sqlable()
         {
diff --git a/Src/Asp.Net/SqlSugar/Realization/MySql/SqlBuilder/MySqlQueryBuilder.cs b/Src/Asp.Net/SqlSugar/Realization/MySql/SqlBuilder/MySqlQueryBuilder.cs
index 78a856aa9..74a7556ea 100644
--- a/Src/Asp.Net/SqlSugar/Realization/MySql/SqlBuilder/MySqlQueryBuilder.cs
+++ b/Src/Asp.Net/SqlSugar/Realization/MySql/SqlBuilder/MySqlQueryBuilder.cs
@@ -1,5 +1,6 @@
 using System.Linq;
 using System.Text;
+using System.Text.RegularExpressions;
 
 namespace SqlSugar
 {
@@ -28,7 +29,10 @@ namespace SqlSugar
         #endregion
 
         #region Common Methods
-
+        public override bool IsComplexModel(string sql)
+        {
+            return Regex.IsMatch(sql, @"AS \`\w+\.\w+\`");
+        }
         public override string ToSqlString()
         {
             sql = new StringBuilder();
diff --git a/Src/Asp.Net/SqlSugar/Realization/Sqlite/SqlBuilder/SqliteQueryBuilder.cs b/Src/Asp.Net/SqlSugar/Realization/Sqlite/SqlBuilder/SqliteQueryBuilder.cs
index 4af54008e..adafa5d53 100644
--- a/Src/Asp.Net/SqlSugar/Realization/Sqlite/SqlBuilder/SqliteQueryBuilder.cs
+++ b/Src/Asp.Net/SqlSugar/Realization/Sqlite/SqlBuilder/SqliteQueryBuilder.cs
@@ -1,5 +1,6 @@
 using System.Linq;
 using System.Text;
+using System.Text.RegularExpressions;
 
 namespace SqlSugar
 {
@@ -28,7 +29,10 @@ namespace SqlSugar
         #endregion
 
         #region Common Methods
-
+        public override bool IsComplexModel(string sql)
+        {
+            return Regex.IsMatch(sql, @"AS \`\w+\.\w+\`");
+        }
         public override string ToSqlString()
         {
             sql = new StringBuilder();