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| ID# | Date | Updated | Type | Status | Sev | Version | OS | CPU | Summary |
|---|---|---|---|---|---|---|---|---|---|
| 119520 | 2025-12-06 17:55 | 2025-12-08 3:51 | MySQL Server: Optimizer | Verified (1 day) | S2 | 9.5.0 | Ubuntu (22.04) | Any | Inconsistent NULL and Negative Zero Handling in EXISTS Subquery with HAVING Clause |
| 119502 | 2025-12-03 15:54 | 2025-12-08 21:37 | MySQL Server: Optimizer | Verified (1 day) | S4 | 9.5 | Any | Any | Implement distinct count/sum window functions |
| 119499 | 2025-12-03 15:20 | 2025-12-05 5:05 | MySQL Server: Optimizer | Verified (4 days) | S2 | 9.5.0,8.0.41 | Any | Any | Item_view_ref::used_tables() is wrong, leads to wrong query result |
| 119491 | 2025-12-02 8:21 | 2025-12-08 21:10 | MySQL Server: Optimizer | Verified (1 day) | S1 | 8.4.7 | Any | Any | Incorrect results for make_set operation against longtext column |
| 119488 | 2025-12-01 14:52 | 2025-12-02 4:37 | MySQL Server: Optimizer | Verified (7 days) | S2 | 9.4.0, 9.5.0 | Ubuntu (22.04) | Any | NTERSECT Bug: NULL-Handling Inconsistency Returns Non-Intersecting Row from Outer Joins with NULL Comparisons |
| 119485 | 2025-12-01 14:10 | 2025-12-02 5:32 | MySQL Server: Optimizer | Verified (7 days) | S2 | 9.5.0,8.0.41 | Any | Any | Wrong result with left joins |
| 119480 | 2025-12-01 9:38 | 2025-12-03 9:43 | MySQL Server: InnoDB storage engine | Verified (6 days) | S3 | Any | Any | Full table scans on primary keys, MySQL 8.0 performance degradation than MySQL 5.7. | |
| 119474 | 2025-11-29 9:29 | 2025-12-01 4:16 | MySQL Server: Optimizer | Verified (8 days) | S2 | 8.0.41 | Any | Any | Result error caused by the subquery_to_derived optimizer switch |
| 119470 | 2025-11-27 14:30 | 2025-11-28 13:06 | MySQL Server: Optimizer | Verified (11 days) | S1 | 8.0.44+ | Any | Any | sql injection |
| 119456 | 2025-11-25 6:52 | 2025-11-28 14:55 | MySQL Server: Optimizer | Verified (11 days) | S3 | 8.0.44, 8.4.7, 9.5 | Any | Any | Query block name uses mixed decimal/hexadecimal in optimizer trace and hint |
| 119454 | 2025-11-24 16:04 | 2025-11-27 5:11 | MySQL Server: Optimizer | Verified (12 days) | S2 | 9.4.0 | Any | Any | Hash join has wrong result when the join equality involves FLOAT or DECIMAL column |
| 119453 | 2025-11-24 14:12 | 2025-12-07 22:36 | MySQL Server: Optimizer | Verified (2 days) | S2 | 8.0 | Any | Any | DEFAULT(column) returns wrong result when column is to the right of left join |
| 119447 | 2025-11-23 8:34 | 2025-11-27 5:04 | MySQL Server: Optimizer | Verified (12 days) | S5 | 8.0.41 | CentOS | x86 | Prepare Statement execute much slower than normal select query |
| 119446 | 2025-11-23 6:46 | 2025-11-27 4:57 | MySQL Server: Optimizer | Verified (12 days) | S3 | 9.4.0 | Any | Any | rows become more after changing COUNT to COUNT(DISTINCT) |
| 119442 | 2025-11-21 20:13 | 2025-11-27 4:53 | MySQL Server: Optimizer | Verified (12 days) | S5 | 8.4.4 | Any | Any | Optimizer fails to simplify ORDER BY when column is filtered by IS NULL, causing filesort |
| 119433 | 2025-11-20 9:30 | 2025-12-07 21:58 | MySQL Server: Data Types | Verified (2 days) | S1 | 8.4.6 | Any | Any | Inconsistent date conversion behaviors between text and integer |
| 119432 | 2025-11-20 8:47 | 2025-12-07 21:44 | MySQL Server: Data Types | Verified (2 days) | S1 | 8.0 | Any | Any | Inconsistent time conversion behaviors between text and integer |
| 119422 | 2025-11-18 16:28 | 2025-11-19 4:27 | MySQL Server: Options | Verified (20 days) | S4 | 8.0.x / 8.4.x (latest) | Any | Any | Proposal: Reduce default lock_wait_timeout from 31536000 (1 year) to a safer value (1 day or 1 week) |
| 119416 | 2025-11-18 6:11 | 2025-12-07 21:23 | MySQL Server: Optimizer | Verified (2 days) | S3 | 9.4.0 | Any | Any | Incorrect in Subquery on MEMORY Engine |
| 119415 | 2025-11-18 6:07 | 2025-12-07 21:17 | MySQL Server: Optimizer | Verified (2 days) | S3 | 9.4.0 | Any | Any | Incorrect IN Subquery on ARCHIVE Engine |
| 119413 | 2025-11-17 23:52 | 2025-12-07 21:06 | MySQL Server: Optimizer | Verified (2 days) | S3 | mysql Ver 9.4. | Any | Any | Intersection order |
| 119403 | 2025-11-15 9:38 | 2025-12-07 20:55 | MySQL Server: Optimizer | Verified (2 days) | S3 | 9.4.0 | Any | Any | INTERSECT operation incorrectly gets rows with NULL and non-NULL combination |
| 119402 | 2025-11-15 8:39 | 2025-12-07 20:50 | MySQL Server: Optimizer | Verified (2 days) | S3 | 9.4.0 | Any | Any | EXCEPT operation incorrectly removes rows with NULL and non-NULL combination when subtracting sets with NULL values |
| 119400 | 2025-11-15 7:20 | 2025-12-07 20:08 | MySQL Server: Optimizer | Verified (2 days) | S3 | 8.0 | Any | Any | rows become less after changing join clause |
| 119399 | 2025-11-15 7:00 | 2025-12-07 19:31 | MySQL Server: Optimizer | Verified (2 days) | S3 | 9.4.0 | Any | Any | Column name change after adding DISTINCT |
| 119398 | 2025-11-15 6:56 | 2025-12-07 19:21 | MySQL Server: Optimizer | Verified (2 days) | S3 | 9.4.0 | Any | Any | rows become less after removing Except clause |
| 119385 | 2025-11-13 9:41 | 2025-12-06 22:51 | MySQL Server: Optimizer | Verified (3 days) | S3 | 8.0.41 | Any | Any | After replacing the expressions inside BETWEEN ... AND with constants, the results become inconsistent. |
| 119376 | 2025-11-12 15:53 | 2025-11-27 9:01 | MySQL Server: Tests | Verified (12 days) | S7 | 8.4.7 | Ubuntu (Ubuntu devel release 26.04) | x86 (amd64v3) | Some upstream tests fail against amd64v3 architecture variant |
| 119370 | 2025-11-12 10:07 | 2025-12-06 22:40 | MySQL Server: Optimizer | Verified (3 days) | S3 | 9.4.0 8.4.6 | Any | Any | FLOAT Value Returned by CASE Statement Evaluates Incorrectly in Bitwise Operation |
| 119365 | 2025-11-12 3:14 | 2025-12-06 22:25 | MySQL Server: Optimizer | Verified (3 days) | S3 | 9.4.0 8.4.6 | Any | Any | Incorrect NOT IN Evaluation for NULL on Indexed TEXT Column |
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