<?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.newfiber.api.pc.dao.WarnApprMapper">

    <select id="getMaxId" resultType="int">
        select max(appr_id) from warn_appr
    </select>

</mapper>