humv-farm-env/src/main/resources/mapper/EnvWarningMapper.xml

<?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.huimv.admin.mapper.EnvWarningMapper">

    <select id="getCount" resultType="integer">
        select count(*) from `env_warning`
        ${ew.customSqlSegment}
    </select>

    <select id="getMonthCount" resultType="com.huimv.admin.entity.vo.WarningCountVo">
        select count(*) as 'value',update_time as 'date' from `env_warning`
        ${ew.customSqlSegment}
        GROUP BY DATE_FORMAT(update_time,"%y-%m-%d")
    </select>

    <select id="listWarning" resultType="com.huimv.admin.entity.vo.WarningVo">
        SELECT CONCAT(b.build_name,a.build_name) AS  'location',w.warning_content,w.update_time AS DATE
        FROM `base_pigpen` a INNER JOIN `base_pigpen` b ON a.parent_id =b.id AND b.parent_id != 0
        LEFT JOIN `env_warning` w ON w.unit_id = a.id
        WHERE w.farm_id = #{farmId}
        ORDER BY w.update_time DESC
    </select>

    <select id="listTop" resultType="com.huimv.admin.entity.vo.WarningTopVo">
        SELECT build_name as location,SUM(COUNT) as count
        FROM (
            SELECT c.id,c.build_name, SUM((SELECT COUNT(w.id) FROM env_warning w WHERE a.id=w.unit_id )) COUNT
            FROM base_pigpen a
            INNER JOIN base_pigpen b ON a.parent_id =b.id
            INNER JOIN base_pigpen c ON b.parent_id =c.id
            WHERE a.farm_id = #{farmId}
            GROUP BY c.build_name
        ) AS subquery
        GROUP BY id
        ORDER BY COUNT DESC
        LIMIT 8
    </select>



</mapper>