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- SET @column_exists := (
- SELECT COUNT(*)
- FROM information_schema.columns
- WHERE table_schema = DATABASE()
- AND table_name = 'tk_pool'
- AND column_name = 'enable_order_summary_cache'
- );
- SET @sql := IF(
- @column_exists = 0,
- 'ALTER TABLE tk_pool ADD COLUMN enable_order_summary_cache TINYINT(1) NOT NULL DEFAULT 1 COMMENT ''是否记录淘宝转链订单匹配缓存''',
- 'SELECT 1'
- );
- PREPARE stmt FROM @sql;
- EXECUTE stmt;
- DEALLOCATE PREPARE stmt;
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