From c9cc4b278408b93168f1e5e11b99787fb535c521 Mon Sep 17 00:00:00 2001
From: sunkaixuan <610262374@qq.com>
Date: Sun, 12 May 2019 11:41:58 +0800
Subject: [PATCH] Performance optimization of MYSQL

---
 .../SqlSugar/Infrastructure/InstanceFactory.cs       | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/Src/Asp.Net/SqlSugar/Infrastructure/InstanceFactory.cs b/Src/Asp.Net/SqlSugar/Infrastructure/InstanceFactory.cs
index 3b7b4eb76..a88dd08ef 100644
--- a/Src/Asp.Net/SqlSugar/Infrastructure/InstanceFactory.cs
+++ b/Src/Asp.Net/SqlSugar/Infrastructure/InstanceFactory.cs
@@ -135,6 +135,10 @@ namespace SqlSugar
             {
                 return new SqlServerQueryBuilder();
             }
+            else if (currentConnectionConfig.DbType == DbType.MySql)
+            {
+                return new MySqlQueryBuilder();
+            }
             else
             {
                 QueryBuilder result = CreateInstance<QueryBuilder>(GetClassName(currentConnectionConfig.DbType.ToString(), "QueryBuilder"));
@@ -163,6 +167,10 @@ namespace SqlSugar
             {
                 return new SqlServerExpressionContext();
             }
+            else if (currentConnectionConfig.DbType == DbType.MySql)
+            {
+                return new MySqlExpressionContext();
+            }
             else
             {
                 ILambdaExpressions result = CreateInstance<ILambdaExpressions>(GetClassName(currentConnectionConfig.DbType.ToString(), "ExpressionContext"));
@@ -176,6 +184,10 @@ namespace SqlSugar
             {
                 return new SqlServerBuilder();
             }
+            else if (currentConnectionConfig.DbType == DbType.MySql)
+            {
+                return new MySqlBuilder();
+            }
             else
             {
                 ISqlBuilder result = CreateInstance<ISqlBuilder>(GetClassName(currentConnectionConfig.DbType.ToString(), "Builder"));