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| ID# | Date | Updated | Type | Status | Sev | Version | OS | CPU | Summary |
|---|---|---|---|---|---|---|---|---|---|
| 120833 | 2026-07-02 10:32 | 2026-07-21 16:27 | MySQL Server: Optimizer | Verified (74 days) | S1 | 8.0.46, 8.4.10, 9.7.1 | Any | Any | Index Lookup Truncates DOUBLE to BIGINT for IF(NULL, …) and GREATEST(string, double) in IN Conditions |
| 121141 | 2026-08-20 1:50 | 2026-08-20 5:26 | MySQL Server: Optimizer | Verified (26 days) | S1 | 8.0.46, 8.4.11, 9.7.2 | Any | Any | group skip scan for deduplication collapses each group to one row before a semijoin/antijoin condition on a later index |
| 120975 | 2026-07-22 4:42 | 2026-07-22 9:05 | MySQL Server: Optimizer | Verified (55 days) | S1 | 8.0.46, 8.4.10, 9.7.1 | Any | Any | Mixed-Type IFNULL Constant Causes Wrong Integer Conversion in Index Lookup |
| 120639 | 2026-06-09 10:08 | 2026-06-09 10:52 | MySQL Server: Optimizer | Verified (98 days) | S1 | 8.0.46 | Any (Storage Engine: InnoDB) | Any | COUNT(*) on an indexed integer column produces incorrect results when the WHERE clause uses NOT (IFNULL(non-integer cons |
| 120966 | 2026-07-21 5:58 | 2026-07-22 8:41 | MySQL Server: Optimizer | Verified (55 days) | S1 | 8.0.46, 8.4.10, 9.7.1 | Any | Any | LEAST Expression Incorrectly Evaluated as Integer for Index Lookup in IN Condition |
| 120834 | 2026-07-02 10:38 | 2026-07-21 16:25 | MySQL Server: Optimizer | Verified (75 days) | S1 | 8.0.46, 8.4.10, 9.7.1 | Any | Any | AVG on Large DOUBLE Values Returns Inconsistent Results Across Execution Paths (Index Scan vs. Temporary Table) |
| 121158 | 2026-08-23 6:41 | 2026-08-26 3:09 | MySQL Server: InnoDB storage engine | Open (20 days) | S1 | 9.7.1 | Any | Any | ALTER COLLATE skips validation of UNIQUE functional index, leaving duplicate keys |
| 120245 | 2026-04-10 13:14 | 2026-04-10 13:55 | MySQL Server: DDL | Open | S1 | 9.6.0 | Any | Any | Unexpected error `Got error -1 - 'Unknown error -1' from storage engine` |
| 120634 | 2026-06-09 4:07 | 2026-06-25 2:28 | MySQL Server: InnoDB storage engine | Open | S1 | 8.0.44 8.4.9 | Any | Any | buf_stat_per_index inc/dec is not paired: root page inc is never decremented, causing unbounded growth of ut_lock_free_h |
| 12113 | 2005-07-22 14:23 | 2014-01-24 12:43 | MySQL Server: Optimizer | Verified (4617 days) | S1 | 5.0.28-BK, 4.0,5.0 | Any | Any | Composite index chosen partially for ORDER BY ... LIMIT query. |
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