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ID# | Date | Updated | Type | Status | Sev | Version | OS | CPU | Summary |
---|---|---|---|---|---|---|---|---|---|
106542 | 2022-02-23 3:12 | 2022-02-28 1:06 | MySQL Server: Optimizer | Verified (764 days) | S5 | 8.0.27, 5.7.37, 8.0.28 | Any (rhel-7.4) | Any (x86-64) | in clause on range columns partitioned table is not partition-pruned well |
30342 | 2007-08-09 18:52 | 2015-10-07 14:54 | MySQL Server: Optimizer | Verified (3095 days) | S5 | 5.0.37, 5.6.17 | Any | Any | Equality propagation can make optimization much slower |
26832 | 2007-03-04 18:17 | 2011-04-05 14:46 | MySQL Server: Optimizer | Verified (4741 days) | S5 | 5.5 | Any | Any | ENUM types not optimized |
114237 | 2024-03-06 6:57 | 2024-03-06 8:30 | MySQL Server: Optimizer | Verified (22 days) | S5 | 8.2.0, 8.3.0 | Any | Any | Unexpected Cardinality by Index |
112964 | 2023-11-04 1:54 | 2024-02-15 8:15 | MySQL Server: InnoDB storage engine | Verified (143 days) | S5 | 8.0, 8.0.35 | Any | Any | SELECT COUNT is slow with O_DIRECT |
112192 | 2023-08-28 2:55 | 2023-08-30 11:05 | MySQL Server: Optimizer | Verified (211 days) | S5 | 8.0.28 | Any | Any | In MySQL 8.0, one queries need 1000 times more data than MySQL 5.7 |
111367 | 2023-06-12 15:36 | 2023-08-04 15:11 | MySQL Server: Optimizer | Verified (237 days) | S5 | 8.0 | Any | Any | OFFSET 99 LIMIT 1 on a compound PK takes ages to execute. |
108127 | 2022-08-12 5:57 | 2022-08-16 13:34 | MySQL Server: Optimizer | Verified (590 days) | S5 | 8.0.29 | Any | Any | MySQL optimizer chooses to a inefficient index . |
106754 | 2022-03-17 7:06 | 2022-03-21 13:52 | MySQL Server: Optimizer | Verified (742 days) | S5 | 5.7, 8.0, 5.7.37, 8.0.28 | Any | Any | Index-loose scan doesn't work for signle table partition Query |
106654 | 2022-03-07 12:06 | 2022-03-10 14:01 | MySQL Server: Optimizer | Verified (749 days) | S5 | 8.0 | Any | Any | join on json key can not use index, but join on virtual column can use index |
Showing 1-10 of 96 (Edit, Save, CSV, Feed) | Show Next 10 Entries » |