select count(*) from t_union_order FORCE INDEX(CREATED_TIME_PRODUCT_ID) where 1=1
未知情况,不走索引,使用强制索引。详情:https://blog.csdn.net/M_azed/article/details/115669477
posted on 2022-09-20 10:07 码匪周子 阅读(27) 评论(0) 编辑 收藏 举报
Powered by: 博客园 Copyright © 2024 码匪周子 Powered by .NET 8.0 on Kubernetes