<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.om.mapper.RoleMapper">

    <select id="selectByFlag" resultType="java.lang.Integer">
        select id
        from sys_role
        where flag = #{flag}
    </select>
</mapper>
