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>
78 lines
3.3 KiB
SQL
78 lines
3.3 KiB
SQL
CREATE TABLE IF NOT EXISTS `promo_rule` (
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`id` BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
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`name` VARCHAR(100) NOT NULL DEFAULT '' COMMENT '规则名称',
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`type` VARCHAR(32) NOT NULL DEFAULT '' COMMENT '规则类型：new_user / inactive_user / campaign',
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`params` JSON NOT NULL COMMENT '类型专属参数',
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`priority` INT NOT NULL DEFAULT 0 COMMENT '优先级，数值越大越优先匹配',
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`enabled` TINYINT(1) NOT NULL DEFAULT 1 COMMENT '是否启用',
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`start_time` DATETIME DEFAULT NULL COMMENT '生效开始时间',
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`end_time` DATETIME DEFAULT NULL COMMENT '生效结束时间',
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`created_at` DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
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`updated_at` DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
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`deleted_at` DATETIME DEFAULT NULL COMMENT '软删除时间',
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PRIMARY KEY (`id`),
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KEY `idx_enabled_priority` (`enabled`, `priority` DESC),
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KEY `idx_deleted_at` (`deleted_at`)
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) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='促销规则表';
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CREATE TABLE IF NOT EXISTS `subscribe_promo` (
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`id` BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
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`subscribe_id` BIGINT UNSIGNED NOT NULL COMMENT '套餐规格 ID',
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`promo_rule_id` BIGINT UNSIGNED NOT NULL COMMENT '促销规则 ID',
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`promo_price` BIGINT NOT NULL DEFAULT 0 COMMENT '该规格在此规则下的优惠价（分）',
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`created_at` DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
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`updated_at` DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
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PRIMARY KEY (`id`),
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UNIQUE KEY `uk_subscribe_rule` (`subscribe_id`, `promo_rule_id`),
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KEY `idx_promo_rule_id` (`promo_rule_id`)
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) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='规格促销价表';
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CREATE TABLE IF NOT EXISTS `promo_usage` (
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`id` BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
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`user_id` BIGINT UNSIGNED NOT NULL COMMENT '用户 ID',
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`promo_rule_id` BIGINT UNSIGNED NOT NULL COMMENT '使用的规则 ID',
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`subscribe_id` BIGINT UNSIGNED NOT NULL COMMENT '购买的规格 ID',
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`order_no` VARCHAR(255) NOT NULL DEFAULT '' COMMENT '关联订单号',
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`promo_price` BIGINT NOT NULL DEFAULT 0 COMMENT '使用时的促销单价（分）',
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`created_at` DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
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PRIMARY KEY (`id`),
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KEY `idx_user_rule` (`user_id`, `promo_rule_id`),
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KEY `idx_order_no` (`order_no`)
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) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='促销使用记录表';
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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 = 0,
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'ALTER TABLE `order` ADD COLUMN `promo_rule_id` BIGINT UNSIGNED NOT NULL DEFAULT 0 COMMENT ''促销规则ID, 0=未使用促销'' AFTER `discount`',
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'SELECT ''Column promo_rule_id already exists 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_discount'
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);
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SET @sql = IF(
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@column_exists = 0,
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'ALTER TABLE `order` ADD COLUMN `promo_discount` BIGINT NOT NULL DEFAULT 0 COMMENT ''促销优惠金额(分)'' AFTER `promo_rule_id`',
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'SELECT ''Column promo_discount already exists 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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