check_indexes.sql 794 B

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  1. -- ========================================
  2. -- 检查 fee_incomedetail 表索引
  3. -- ========================================
  4. -- 1. 查看所有索引
  5. SHOW INDEX FROM fee_incomedetail;
  6. -- 2. 检查 pay_time 是否有索引
  7. SHOW INDEX FROM fee_incomedetail WHERE Column_name = 'pay_time';
  8. -- 3. 检查 group_id 是否有索引
  9. SHOW INDEX FROM fee_incomedetail WHERE Column_name = 'group_id';
  10. -- ========================================
  11. -- 如果没有索引,执行以下语句创建
  12. -- ========================================
  13. -- 单字段索引
  14. -- CREATE INDEX idx_pay_time ON fee_incomedetail(pay_time);
  15. -- CREATE INDEX idx_group_id ON fee_incomedetail(group_id);
  16. -- 联合索引(推荐,查询更快)
  17. -- CREATE INDEX idx_pay_time_group_id ON fee_incomedetail(pay_time, group_id);