docs: add ops and merchandise status repair guides
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docs/wa_merchandise-status-repair-plan.md
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# 寄卖商品状态修正方案
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适用范围:池州雷蕾商贸 `czleilei240`
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## 问题说明
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寄卖商品表 `wa_merchandise.status` 可能与真实售卖结果不一致。
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当前接口 `/api/order/goods` 只按:
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- `wa_merchandise.status = 1`
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- `wa_merchandise.is_show = 1`
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查询商品,见 [WaOrderServiceImpl.java](</Users/mac/scott2026/integral-shop/single-shop-22/backend/crmeb-front/src/main/java/com/zbkj/front/service/impl/WaOrderServiceImpl.java:65>).
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但实际业务中,商品是否已售出应结合 `wa_order` 判断。
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## 判定口径
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建议以以下规则修正商品状态:
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- 订单存在且 `status = 2`
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- 且 `is_cancel = 0`
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- 则对应 `wa_merchandise.status` 应置为 `0`(已售)
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## 查询异常数据
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查询“商品仍标记未售,但实际已有已完成订单”的数据:
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```sql
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SELECT
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m.id,
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m.old_id,
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m.user_id,
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m.status AS merchandise_status,
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m.is_show,
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m.created_at,
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m.updated_at,
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o.id AS order_id,
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o.status AS order_status,
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o.is_cancel
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FROM wa_merchandise m
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JOIN wa_order o ON o.merchandise_id = m.id
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WHERE m.status = 1
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AND m.is_show = 1
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AND o.status = 2
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AND o.is_cancel = 0
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ORDER BY m.id DESC;
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```
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查询当前仍可售商品:
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```sql
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SELECT COUNT(*) AS remaining_unsold_visible
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FROM wa_merchandise
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WHERE status = 1 AND is_show = 1;
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```
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## 批量修正
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将“已有已完成订单”的商品统一改为已售:
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```sql
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UPDATE wa_merchandise m
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JOIN wa_order o ON o.merchandise_id = m.id
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SET m.status = 0,
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m.updated_at = NOW()
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WHERE m.status = 1
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AND m.is_show = 1
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AND o.status = 2
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AND o.is_cancel = 0;
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```
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## 处理步骤
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1. 先查异常商品清单。
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2. 确认这些商品是否确实已有完成订单。
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3. 执行批量更新,把状态改为 `0`。
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4. 复核 `status = 1 AND is_show = 1` 是否已清空。
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5. 如发现重复出现,继续按同一规则修正。
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## 复核方式
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```sql
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SELECT id, status, is_show, updated_at
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FROM wa_merchandise
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WHERE status = 1 AND is_show = 1
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ORDER BY id DESC;
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```
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如果结果为空,说明当前没有可售状态异常的寄卖商品。
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## 备注
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如果后续要从根源避免再次发生,建议把商品状态判定逻辑从“只看 `wa_merchandise.status`”改为“联动 `wa_order` 订单状态”。
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