合并商品编号迁移

backend/migrations/000001_init.sql

@@ -75,6 +75,7 @@ CREATE TABLE IF NOT EXISTS game_accounts (
 -- 租号商品列表：用户发布的出租商品
 CREATE TABLE IF NOT EXISTS rental_listings (
   id BIGINT UNSIGNED PRIMARY KEY AUTO_INCREMENT,
+  listing_no VARCHAR(20) NOT NULL COMMENT '商品编号，格式yyyyMMddNNNN',
   account_id BIGINT UNSIGNED NOT NULL COMMENT '关联的游戏账号ID',
   owner_id BIGINT UNSIGNED NOT NULL COMMENT '号主ID',
   price DECIMAL(12,2) NOT NULL DEFAULT 0.00 COMMENT '租金(元/小时)',
@@ -86,12 +87,21 @@ CREATE TABLE IF NOT EXISTS rental_listings (
   published_at DATETIME NULL COMMENT '发布时间',
   created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
   updated_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
+  UNIQUE KEY uk_rental_listings_listing_no (listing_no),
   KEY idx_rental_listings_account_id (account_id),
   KEY idx_rental_listings_owner_id (owner_id),
   KEY idx_rental_listings_filter (status, review_status, in_transaction, price),
   KEY idx_rental_listings_published (status, review_status, published_at DESC)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci COMMENT='租号商品列表';
 
+-- 商品编号日序列表：记录每天已分配的最大序号
+CREATE TABLE IF NOT EXISTS listing_no_sequences (
+  biz_date CHAR(8) PRIMARY KEY COMMENT '业务日期yyyyMMdd',
+  next_seq INT NOT NULL DEFAULT 0 COMMENT '当日已分配最大序号',
+  created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
+  updated_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci COMMENT='商品编号日序列表';
+
 -- -------------------------------------------
 -- 订单相关表
 -- -------------------------------------------

backend/migrations/000002_add_listing_no.sql

@@ -1,33 +0,0 @@
--- 商品编号：用于前台展示、搜索和客服定位
-ALTER TABLE rental_listings
-  ADD COLUMN listing_no VARCHAR(20) NULL COMMENT '商品编号，格式yyyyMMddNNNN' AFTER id;
-
-UPDATE rental_listings AS l
-JOIN (
-  SELECT
-    id,
-    CONCAT(
-      DATE_FORMAT(created_at, '%Y%m%d'),
-      LPAD(ROW_NUMBER() OVER (PARTITION BY DATE(created_at) ORDER BY id), 4, '0')
-    ) AS generated_listing_no
-  FROM rental_listings
-) AS seq ON seq.id = l.id
-SET l.listing_no = seq.generated_listing_no
-WHERE l.listing_no IS NULL OR l.listing_no = '';
-
-ALTER TABLE rental_listings
-  MODIFY COLUMN listing_no VARCHAR(20) NOT NULL COMMENT '商品编号，格式yyyyMMddNNNN',
-  ADD UNIQUE KEY uk_rental_listings_listing_no (listing_no);
-
-CREATE TABLE IF NOT EXISTS listing_no_sequences (
-  biz_date CHAR(8) PRIMARY KEY COMMENT '业务日期yyyyMMdd',
-  next_seq INT NOT NULL DEFAULT 0 COMMENT '当日已分配最大序号',
-  created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
-  updated_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci COMMENT='商品编号日序列表';
-
-INSERT INTO listing_no_sequences (biz_date, next_seq)
-SELECT DATE_FORMAT(created_at, '%Y%m%d') AS biz_date, COUNT(*) AS next_seq
-FROM rental_listings
-GROUP BY DATE_FORMAT(created_at, '%Y%m%d')
-ON DUPLICATE KEY UPDATE next_seq = GREATEST(next_seq, VALUES(next_seq));