新增游标抓取逻辑，优化UUID到新同步服务的查询和Redis配置

2026-11-15 12:26:12 +08:00
parent 206e4e786b
commit 63ded27fd5
7 changed files with 192 additions and 8 deletions
@@ -91,7 +91,7 @@
 | 批次 | `batch-size`（建议 200） |
 | 事务 | **一单一事务**（订单+income 插入 + 关联表 UPDATE order_id） |
 | 失败 | 整单回滚；FAIL 落 `mig_bi_order_done`（独立事务），避免死循环 |
-| Redis | 开关/线程/批次可持久；建议启动不自动开（可再讨） |
+| Redis | 开关/线程/批次/抓取游标可持久；游标 key：cursor-time / cursor-bill-id |

 ### 4.2 单单步骤

@@ -0,0 +1,18 @@
+-- 游标抓取加速：prc_order_bill (create_time, bill_id)
+-- 可重入
+
+SET NAMES utf8mb4;
+
+SET @idx_exists := (
+  SELECT COUNT(*) FROM information_schema.statistics
+   WHERE table_schema = DATABASE()
+     AND table_name = 'prc_order_bill'
+     AND index_name = 'idx_order_bill_create_bill'
+);
+
+SET @sql := IF(@idx_exists = 0,
+  'ALTER TABLE `prc_order_bill` ADD INDEX `idx_order_bill_create_bill` (`create_time`, `bill_id`)',
+  'SELECT ''idx_order_bill_create_bill already exists''');
+PREPARE stmt FROM @sql;
+EXECUTE stmt;
+DEALLOCATE PREPARE stmt;