更新开单扣减信息表品项分类字段.sql
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-- ============================================
-- 更新开单扣减信息表(lq_kd_deductinfo)的品项分类字段
-- ============================================
-- 说明:此脚本用于更新 lq_kd_deductinfo 表的 F_ItemCategory 字段
--
-- 数据来源:从关联的项目资料表(lq_xmzl)的 qt2 字段获取品项分类
--
-- 关联关系:
-- - lq_kd_deductinfo.F_ItemId = lq_xmzl.F_Id
--
-- 更新逻辑:
-- - 更新所有记录(不判断是否有效)
-- - 只更新关联的项目资料存在且qt2字段有值的记录
-- - 从 lq_xmzl.qt2 字段获取品项分类(医美/科美/生美)
-- - 如果当前 F_ItemCategory 已有值但与 lq_xmzl.qt2 不一致,也会更新为最新值
-- ============================================
-- 更新开单扣减信息表的品项分类字段
-- ============================================
UPDATE lq_kd_deductinfo deduct
INNER JOIN lq_xmzl xmzl ON deduct.F_ItemId = xmzl.F_Id
SET deduct.F_ItemCategory = xmzl.qt2
WHERE xmzl.qt2 IS NOT NULL
AND xmzl.qt2 != ''
AND (deduct.F_ItemCategory IS NULL
OR deduct.F_ItemCategory = ''
OR deduct.F_ItemCategory != xmzl.qt2);
-- ============================================
-- 验证更新结果
-- ============================================
-- 查看更新后的统计信息
-- SELECT
-- F_ItemCategory AS 品项分类,
-- COUNT(*) AS 记录数
-- FROM lq_kd_deductinfo
-- GROUP BY F_ItemCategory
-- ORDER BY 记录数 DESC;
-- 查看未更新的记录数(关联的项目资料不存在或qt2为空)
-- SELECT COUNT(*) AS 未更新记录数
-- FROM lq_kd_deductinfo deduct
-- LEFT JOIN lq_xmzl xmzl ON deduct.F_ItemId = xmzl.F_Id
-- WHERE xmzl.F_Id IS NULL
-- OR xmzl.qt2 IS NULL
-- OR xmzl.qt2 = '';
-- 查看更新前后的对比(需要先备份数据)
-- SELECT
-- deduct.F_Id,
-- deduct.F_ItemId,
-- deduct.F_ItemName,
-- deduct.F_ItemCategory AS 更新前分类,
-- xmzl.qt2 AS 更新后分类
-- FROM lq_kd_deductinfo deduct
-- INNER JOIN lq_xmzl xmzl ON deduct.F_ItemId = xmzl.F_Id
-- WHERE xmzl.qt2 IS NOT NULL
-- AND xmzl.qt2 != ''
-- AND (deduct.F_ItemCategory IS NULL
-- OR deduct.F_ItemCategory = ''
-- OR deduct.F_ItemCategory != xmzl.qt2)
-- LIMIT 100;