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| ID# | Date | Updated | Type | Status | Sev | Version | OS | CPU | Summary |
|---|---|---|---|---|---|---|---|---|---|
| 119454 | 2025-11-24 16:04 | 2025-11-27 5:11 | MySQL Server: Optimizer | Verified | S2 | 9.4.0 | Any | Any | Hash join has wrong result when the join equality involves FLOAT or DECIMAL column |
| 119447 | 2025-11-23 8:34 | 2025-11-27 5:04 | MySQL Server: Optimizer | Verified | 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 | 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 | S5 | 8.4.4 | Any | Any | Optimizer fails to simplify ORDER BY when column is filtered by IS NULL, causing filesort |
| 119422 | 2025-11-18 16:28 | 2025-11-19 4:27 | MySQL Server: Options | Verified (8 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) |
| 119376 | 2025-11-12 15:53 | 2025-11-27 9:01 | MySQL Server: Tests | Verified | S7 | 8.4.7 | Ubuntu (Ubuntu devel release 26.04) | x86 (amd64v3) | Some upstream tests fail against amd64v3 architecture variant |
| 119363 | 2025-11-12 2:52 | 2025-11-12 3:10 | MySQL Server: Optimizer | Verified (15 days) | S3 | 9.4.0 8.4.6 | Any | Any | Complex WHERE Expression on Indexed FLOAT Column Evaluates Incorrectly |
| 119350 | 2025-11-10 12:14 | 2025-11-20 13:15 | MySQL Server: Optimizer | Verified (7 days) | S3 | 8.0 | Any | Any | Column name change after changing having clause |
| 119349 | 2025-11-10 12:06 | 2025-11-20 13:05 | MySQL Server: Optimizer | Verified (7 days) | S3 | 9.4.0 | Any | Any | Incorrect String Comparison with MyISAM BIT Column in IN Subquery |
| 119348 | 2025-11-10 11:01 | 2025-11-20 12:58 | MySQL Server: Optimizer | Verified (7 days) | S3 | 8.0 | Any | Any | Incorrect row number after changing having clause |
| 119347 | 2025-11-10 10:43 | 2025-11-20 12:48 | MySQL Server: Optimizer | Verified (7 days) | S3 | 8.0 | Any | Any | IN predicate incorrectly evaluates RADIANS() and TINYINT with key |
| 119346 | 2025-11-10 9:43 | 2025-11-20 12:40 | MySQL Server: Optimizer | Verified (7 days) | S3 | 8.0 | Any | Any | CASE expression evaluates incorrectly |
| 119345 | 2025-11-10 9:21 | 2025-11-20 11:33 | MySQL Server: Optimizer | Verified (7 days) | S3 | 8.0 | Any | Any | Presence of UNIQUE index on INT column causes inconsistent results for IF with ANY subquery |
| 119344 | 2025-11-10 8:47 | 2025-11-12 3:04 | MySQL Server: Optimizer | Verified (15 days) | S3 | 9.4.0 | Any | Any | Floating-point precision loss happen after changing UNION to UNION ALL |
| 119343 | 2025-11-10 8:40 | 2025-11-20 11:20 | MySQL Server: Optimizer | Verified (7 days) | S3 | 8.0 | Any | Any | NOT BETWEEN evaluates incorrectlywhen FROM_UNIXTIME operates on a FLOAT column |
| 119342 | 2025-11-10 8:26 | 2025-11-11 8:10 | MySQL Server: Optimizer | Verified (16 days) | S3 | 9.4.0 | Any | Any | Bits value change after changing UNION to UNION ALL |
| 119341 | 2025-11-10 8:24 | 2025-11-11 7:56 | MySQL Server: Optimizer | Verified (16 days) | S3 | 9.4.0 | Any | Any | ALL subquery evaluates incorrectly in SELECT list when comparing against a BIT column |
| 119339 | 2025-11-08 17:27 | 2025-11-11 7:31 | MySQL Server: Optimizer | Verified (16 days) | S3 | 8.0.41 | Any | Any | The results are different after extracting the value of the COALESCE function |
| 119329 | 2025-11-07 8:13 | 2025-11-11 14:02 | MySQL Server: Optimizer | Verified (20 days) | S3 | 8.0.44 | Any | Any | Column name unexpectedly change after changing COUNT to COUNT(DISTINCT) |
| 119326 | 2025-11-07 7:40 | 2025-11-07 9:07 | MySQL Server: Optimizer | Verified (20 days) | S3 | 8.0.41 | Any | Any | Using the COALESCE function, two opposite conditions return the same result. |
| 119323 | 2025-11-07 5:59 | 2025-11-07 7:26 | MySQL Server: Optimizer | Verified (20 days) | S3 | 9.4.0 | Any | Any | row number become less after changing COUNT(DISTINCT) to COUNT |
| 119322 | 2025-11-07 4:58 | 2025-11-07 7:29 | MySQL Server: Optimizer | Verified (20 days) | S3 | 9.4.0 | Any | Any | Unexpected None after adding a window column |
| 119321 | 2025-11-07 4:35 | 2025-11-07 7:37 | MySQL Server: Optimizer | Verified (20 days) | S3 | 9.4.0 | Any | Any | Unexpected None after changing SUM to SUM (x*2) |
| 119318 | 2025-11-06 11:28 | 2025-11-07 8:03 | MySQL Server: Data Dictionary | Verified (20 days) | S3 | 9.5 | CentOS (CentOS Linux release 7.7.1908 (Core)) | x86 (x86_64) | When modifying the system time to a date beyond 2038, MySQL installation reports an error |
| 119306 | 2025-11-05 7:02 | 2025-11-06 5:34 | MySQL Server: Optimizer | Verified (21 days) | S3 | 8.0, 9.5 | Any | Any | The EXPLAIN plan may be inconsistent with the actual execution. |
| 119303 | 2025-11-05 1:49 | 2025-11-05 5:00 | MySQL Server: DML | Verified (22 days) | S3 | 8.0.41 | Any | Any | The query is normal without using the histogram, but an error occurs when using the histogram |
| 119287 | 2025-11-01 10:08 | 2025-11-04 21:01 | MySQL Server: Optimizer | Verified (23 days) | S3 | 8.0.41 | Any | Any | Decimal Precision Mismatch in UNION Query with CONCAT Function |
| 119271 | 2025-10-30 11:14 | 2025-10-30 20:02 | Connector / J | Verified (28 days) | S3 | All | Any | Any | Connector/J fails to accept legacy value zeroDateTimeBehavior=convertToNull on multi-host URLs (failover), but works on |
| 119262 | 2025-10-29 9:01 | 2025-11-04 23:01 | MySQL Server: Optimizer | Verified (23 days) | S3 | 8.0.44,8.4.6,9.4.0 | Any | Any | Incorrect result on comparison between a float expression and an indexed SMALLINT column. |
| 119245 | 2025-10-27 14:02 | 2025-10-30 18:30 | Connector / J | Verified (28 days) | S3 | 9.5.0 | Any | Any | Select into fix breaks queries with 'into' in them |
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