优化部分查询SQL

src/main/resources/mybatis/system/DeptMapper.xml

@@ -41,11 +41,11 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
     </select>
 	
 	<select id="checkDeptExistUser" parameterType="Long" resultType="int">
-		select count(*) from sys_user where dept_id = #{deptId} and del_flag = '0'
+		select count(1) from sys_user where dept_id = #{deptId} and del_flag = '0'
 	</select>
 	
 	<select id="selectDeptCount" parameterType="Dept" resultType="int">
-		select count(*) from sys_dept
+		select count(1) from sys_dept
 		<where>
 			<if test="deptId != null and deptId != 0"> and dept_id = #{deptId} </if>
 			<if test="parentId != null and parentId != 0"> and parent_id = #{parentId} </if>