shanshanzhong147
d2f9289338
- 新增促销规则/规格促销价/使用记录模型与幂等迁移 - EvaluatePromo 支持 new_user/inactive_user/campaign 规则判定 - purchase/preCreate 接入促销判定：命中促销时跳过百分比折扣 - activate 激活后按 order_no 幂等写入 promo_usage - 订单模型和响应结构新增 promo_rule_id、promo_discount 字段 Co-authored-by: multica-agent <github@multica.ai>
40 lines
922 B
SQL
40 lines
922 B
SQL
SET @column_exists = (
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SELECT COUNT(*)
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FROM INFORMATION_SCHEMA.COLUMNS
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WHERE TABLE_SCHEMA = DATABASE()
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AND TABLE_NAME = 'order'
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AND COLUMN_NAME = 'promo_discount'
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);
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SET @sql = IF(
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@column_exists = 1,
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'ALTER TABLE `order` DROP COLUMN `promo_discount`',
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'SELECT ''Column promo_discount does not exist in order table'''
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);
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PREPARE stmt FROM @sql;
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EXECUTE stmt;
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DEALLOCATE PREPARE stmt;
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SET @column_exists = (
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SELECT COUNT(*)
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FROM INFORMATION_SCHEMA.COLUMNS
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WHERE TABLE_SCHEMA = DATABASE()
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AND TABLE_NAME = 'order'
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AND COLUMN_NAME = 'promo_rule_id'
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);
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SET @sql = IF(
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@column_exists = 1,
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'ALTER TABLE `order` DROP COLUMN `promo_rule_id`',
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'SELECT ''Column promo_rule_id does not exist in order table'''
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);
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PREPARE stmt FROM @sql;
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EXECUTE stmt;
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DEALLOCATE PREPARE stmt;
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DROP TABLE IF EXISTS `promo_usage`;
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DROP TABLE IF EXISTS `subscribe_promo`;
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DROP TABLE IF EXISTS `promo_rule`;
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