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| ID# | Date | Updated | Type | Status | Sev | Version | OS | CPU | Summary |
|---|---|---|---|---|---|---|---|---|---|
| 121490 | 2026-10-12 16:39 | 2026-10-14 8:11 | MySQL Server: Optimizer | Verified | S2 | 26.7.0, 26.10.0-er | Linux | Any | Wrapping a correlated scalar subquery in CASE changes its result when the outer aggregate has no matching rows |
| 121454 | 2026-10-08 7:48 | 2026-10-14 7:57 | MySQL Server: Optimizer | Verified | S3 | 8.0.46 | Any | Any | Constant folding of a LEFT JOIN right-table expression column ignores NULL semantics, causing wrong NOT EXISTS results |
| 121436 | 2026-10-06 9:02 | 2026-10-14 7:45 | MySQL Server: Optimizer | Verified | S2 | 26.7.0, 26.10.0-er | Linux | Any | Wrapping COUNT(*) in CASE with identical branches changes the result of a scalar subquery in WHERE |
| 121500 | 2026-10-14 7:42 | 2026-10-14 7:42 | MySQL Server: Optimizer | Open | S2 | 26.7.0 | Linux | Any | CTE omits a row from a GROUP BY WITH ROLLUP result |
| 121499 | 2026-10-14 3:38 | 2026-10-14 3:39 | MySQL Server | Open | S3 | 8.0.46 | Windows | Any | count(column) is counting null values in some cases |
| 121285 | 2026-09-15 7:31 | 2026-10-13 20:48 | MySQL Workbench | Documenting (7 days) | S1 | 26.7.0 | Windows (Win11) | x86 (64-bit) | Workbench 26.7.0 does not connect |
| 121412 | 2026-09-30 18:08 | 2026-10-13 20:48 | MySQL Server: Replication | Documenting (12 days) | S3 | Any | Any | Contribution: Initialize binlog event scalar members | |
| 121498 | 2026-10-13 17:00 | 2026-10-13 17:00 | MySQL Server: DDL | Open | S3 | 8.4.11, 9.7.2, 26.7.0 | Linux (official Docker images mysql:8.4.11, mysql:9.7.2, mysql:26.7.0) | x86 | DROP COLUMN silently drops CHECK constraints that use no column |
| 121497 | 2026-10-13 16:44 | 2026-10-13 16:44 | MySQL Server: DDL | Open | S3 | 8.4.11, 9.7.2, 26.7.0 | Linux (official Docker images mysql:8.4.11, mysql:9.7.2, mysql:26.7.0) | x86 | ALTER TABLE rewrites CHECK (c = 0) on DATETIME to '0000-00-00 00:00:00' |
| 121492 | 2026-10-13 0:27 | 2026-10-13 15:20 | Shell Upgrade Checker | Verified (1 day) | S3 | 26.7.1, 9.7.1, 8.4.10 | Any | Any | Upgrade checker misses most FLOAT/DOUBLE AUTO_INCREMENT columns, so the 8.4 upgrade aborts after a clean check |
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