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klp-oa/klp-mes/src/main/resources/mapper/roll/MesRollGrindMapper.xml

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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.klp.mes.roll.mapper.MesRollGrindMapper">
<select id="selectByRollId" resultType="com.klp.mes.roll.domain.vo.MesRollGrindVo">
SELECT grind_id, roll_id, roll_no, grind_time, team,
dia_before, dia_after, grind_amount, roll_shape,
flaw_result, hardness, operator, remark, create_time
FROM mes_roll_grind
WHERE del_flag = 0 AND roll_id = #{rollId}
ORDER BY grind_time ASC, grind_id ASC
</select>
<select id="selectMonthlyStats" resultType="map">
SELECT
DATE_FORMAT(grind_time, '%Y-%m') AS month,
COUNT(*) AS grindCount,
IFNULL(SUM(grind_amount), 0) AS totalGrindAmount
FROM mes_roll_grind
WHERE del_flag = 0
AND roll_id = #{rollId}
AND YEAR(grind_time) = #{year}
GROUP BY DATE_FORMAT(grind_time, '%Y-%m')
ORDER BY month ASC
</select>
</mapper>