优化部分查询SQL

2018-08-06 11:42:15 +08:00
parent 127b532825
commit db8f960b0d
10 changed files with 26 additions and 16 deletions
--- a/src/main/resources/mybatis/system/UserMapper.xml
+++ b/src/main/resources/mybatis/system/UserMapper.xml
@ -83,7 +83,7 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
 	</select>
 	
 	<select id="checkLoginNameUnique" parameterType="String" resultType="int">
-		select count(*) from sys_user where login_name=#{loginName}
+		select count(1) from sys_user where login_name=#{loginName}
 	</select>
 	
 	<select id="checkPhoneUnique" parameterType="String" resultMap="UserResult">