zhanghua
2023-09-08 7ef4892f9f24f941aca37e6b3991b808a0aca619
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<?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.ycl.mapper.message.MessageColumnMapper">
 
    <select id="selectAllColumn" resultType="com.ycl.vo.message.MessageColumnVO">
        SELECT t1.id,
               COUNT(t1.id) AS notice_amount,
               t1.column_name,
               t1.update_time,
               t1.is_show,
               t1.description
        FROM ums_message_column t1
                 LEFT JOIN ums_message t2 ON t1.id = t2.message_type
        GROUP BY t1.id
    </select>
</mapper>