1.问题分析
慢sql,分析发现缺少索引
2.解决方案
按提示在业务低峰 创建索引
索引优化建议:
- 建议在数据表 irobotbox_marketpublish.M_Mercadolibre_Listing 的 OrderSourceId,CustomerId,PublishTime 列上添加如下索引,以提高查询性能:
ALTER TABLE `irobotbox_marketpublish`.`M_Mercadolibre_Listing` ADD INDEX `idx_OrderSourceId_CustomerId_PublishTime` (`OrderSourceId`, `CustomerId`, `PublishTime`)
注意:在业务高峰期,变更表结构存在风险,请谨慎操作!
SELECT `CustomerId` AS `CustomerId` , `OrderSourceId` AS `OrderSourceId` , `ProductId` AS `ProductId` , `SellerSku` AS `SellerSku` , `Sku` AS `Sku` , `Id` AS `Id` FROM `M_Mercadolibre_Listing` WHERE (((( `CustomerId` = 1 ) AND ( `OrderSourceId` = 16072 )) AND ( `PublishTime` >= timestamp('2023-04-24 00:00:00') )) AND ( `PublishTime` <= timestamp('2023-04-27 00:00:00') )) LIMIT 0,500;
