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| ID# | Date | Updated | Type | Status | Sev | Version | OS | CPU | Summary |
|---|---|---|---|---|---|---|---|---|---|
| 110111 | 2023-02-17 12:53 | 2023-02-20 12:35 | MySQL Server: Optimizer | Verified (819 days) | S5 | 8.0.31 | Any | Any | Optimizer chooses worst plan when index condition pushdown opportunity |
| 110848 | 2023-04-27 15:04 | 2023-05-03 9:59 | MySQL Server: Optimizer | Verified (747 days) | S5 | 8.0.28, 8.0.33 | Any | Any | missing considering on order by and limit clause in cost calculation |
| 111431 | 2023-06-15 8:47 | 2023-06-26 14:48 | MySQL Server: Optimizer | Verified (704 days) | S3 | 8.0.33 | Ubuntu (22.04) | Other (x86_64) | condition_fanout_filter optimizer wrong result? |
| 112902 | 2023-10-31 14:39 | 2024-06-10 11:08 | MySQL Server: Optimizer | Verified (448 days) | S5 | 8.0.31, 8.0.35 | Linux (n.a.) | x86 (x86_64) | Optimizer in MySQL 8 is significantly slower on dependent subqueries than 5.7 |
| 115815 | 2024-08-12 2:56 | 2024-08-12 8:03 | MySQL Server: Optimizer | Verified (280 days) | S2 | 8.4.2 | Any | Any | Contribute by tencent: EXPLAIN FORMAT=TREE Incorrectly Shows Cost of Statement |
| 116335 | 2024-10-10 16:53 | 2024-10-11 8:04 | MySQL Server: Optimizer | Verified (220 days) | S5 | 8.0.39 | Any | Any | Multi-valued index isn't used with some range scans on composite indexes |
| 116710 | 2024-11-19 12:47 | 2024-11-20 11:02 | MySQL Server: Optimizer | Verified (180 days) | S3 | 8.0 | Any | Any | explain shows wrong cost value |
| 116937 | 2024-12-11 8:25 | 2024-12-11 15:33 | MySQL Server: Optimizer | Verified (159 days) | S3 | 8.0, 8.0.40 | Any | Any | estimation of REF is modified by index diving of INDEX MERGE |
| 117164 | 2025-01-09 6:17 | 2025-01-09 7:08 | MySQL Server: Optimizer | Verified (130 days) | S3 | 8.0.36, 8.0.40 | Any | Any | Range estimation (index dives) overestimates the rows count on large ranges. It almost doubles the actual number of rows |
| « Show Previous 30 Entries | Showing 31-39 of 39 (Edit, Save, CSV, Feed) |
