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| ID# | Date | Updated | Type | Status | Sev | Version | OS | CPU | Summary |
|---|---|---|---|---|---|---|---|---|---|
| 119100 | 2025-10-01 1:00 | 2025-10-06 4:18 | MySQL Server: Optimizer | Verified (14 days) | S2 | 9.4.0 | Linux | x86 | WHERE alias IS NULL Fails for Derived Column Using subquery |
| 119081 | 2025-09-27 8:35 | 2025-10-02 7:12 | MySQL Server: Optimizer | Verified (21 days) | S3 | 8.0.43 | Any | Any | UPDATE with CASE/IFNULL expression produces unexpected error: Incorrect DECIMAL value: '0' for column '' at row -1 |
| 119080 | 2025-09-27 8:16 | 2025-10-01 13:58 | MySQL Server: Optimizer | Verified (21 days) | S3 | 8.0.43 | Any | Any | SELECT vs. TLP partitioning query returns different cardinalities (cardinality mismatch) |
| 119078 | 2025-09-26 16:33 | 2025-10-01 13:58 | Shell VSCode Extension | Verified (21 days) | S3 | 1.19.17 | Windows (11 Enterprise) | x86 (11th Gen Intel(R) Core(TM) i7-1165G7 @ 2.80GHz ) | MySQL Shell for VS Code has different output formatting than MySQL Shell |
| 119077 | 2025-09-26 12:45 | 2025-10-01 13:56 | MySQL Server: Replication | Verified (21 days) | S4 | 5.7.43, 8.0.40, 8.4 | Any | x86 | boost replication performance |
| 119076 | 2025-09-26 9:11 | 2025-10-01 14:00 | MySQL Server: InnoDB storage engine | Verified (20 days) | S4 | 5.7.43, 8.0.40, 8.4 | Any | x86 | new ut_delay |
| 119074 | 2025-09-26 4:46 | 2025-10-01 13:59 | MySQL Server: Optimizer | Verified (21 days) | S2 | 9.4.0 | Linux | x86 | Incorrect result with derived_condition_pushdown optimization in correlated subquery with LEFT JOIN ON FALSE |
| 119073 | 2025-09-26 3:29 | 2025-10-01 13:59 | MySQL Server: InnoDB storage engine | Verified (21 days) | S3 | 9.4.0 8.4.6 | Any | x86 | Inconsistent Type Conversion Behavior for TIMESTAMP Column Based on UNIQUE Constraint |
| 119068 | 2025-09-25 8:43 | 2025-10-01 14:05 | MySQL Server: Optimizer | Verified (21 days) | S2 | 9.4.0 | Linux | x86 | RIGHT JOIN on VIEW with IN subquery returns incorrect non-NULL value instead of NULL |
| 119066 | 2025-09-24 13:06 | 2025-10-03 11:03 | MySQL Server: Optimizer | Verified (21 days) | S5 | 8.0.40+ | Any | Any | MySQL 8.0.40+ is about 2-3x times slower than 8.0.39 in particular index scan scenario |
| 119063 | 2025-09-24 3:45 | 2025-10-01 14:04 | MySQL Server: InnoDB storage engine | Verified (21 days) | S3 | 8.0.43 | Any | Any | Unused variable 'fk_max_recusive_level' |
| 119062 | 2025-09-23 11:08 | 2025-09-25 16:09 | MySQL Server: Optimizer | Verified (27 days) | S5 | 9.4.0 | Any | Any | A missed optimization opportunity of "FALSE and any_expr" in WHERE clause |
| 119059 | 2025-09-23 3:44 | 2025-09-25 16:07 | MySQL Server: Optimizer | Verified (27 days) | S2 | 9.2.0, 9.4.0 | Any | Any | Inconsistent result behavior when using EXCEPT equivalent NATRUAL JOIN |
| 119058 | 2025-09-23 0:57 | 2025-09-25 16:08 | MySQL Server: Prepared statements | Verified (27 days) | S1 | 9.4.0 | Any | Any | `\` is inconsistent in prepared statement and normal query |
| 119056 | 2025-09-22 15:21 | 2025-09-23 2:40 | MySQL Server: Optimizer | Verified (27 days) | S3 | 9.4.0 | Any | Any | column value change cased by SUM(DISTINCT) changed to AVG(DISTINCT)*COUNT(DISTINCT) |
| 119053 | 2025-09-22 9:22 | 2025-09-23 2:40 | MySQL Server: Optimizer | Verified (27 days) | S3 | 9.4.0 8.4.6 | Any | Any | Incorrect filtering for NOT BETWEEN on a FLOAT PRIMARY KEY |
| 119052 | 2025-09-22 9:22 | 2025-09-23 2:43 | MySQL Server: Optimizer | Verified (27 days) | S5 | 8.0.43 | Linux (5.10.134-19.al8.x86_64) | x86 (x86_64) | Performance regression in 8.0.40 |
| 119048 | 2025-09-21 12:57 | 2025-09-23 1:27 | MySQL Server: Prepared statements | Verified (28 days) | S2 | 9.4.0 | Any | Any | inconsistent result of two equivalent query with operator ~ |
| 119045 | 2025-09-19 17:28 | 2025-09-23 1:26 | MySQL Workbench | Verified (28 days) | S3 | 8.0.44 | Windows (11) | Any | MySQL Workbench crash: “Index out of range” when running SELECT with JOIN and LIMIT |
| 119043 | 2025-09-19 9:14 | 2025-09-23 2:39 | MySQL Server: InnoDB storage engine | Verified (27 days) | S3 | 8.0.41 | Any | Any | in certain situations the table space will be greatly wasted |
| 119042 | 2025-09-19 8:24 | 2025-09-22 14:37 | MySQL Server: Tests | Verified (31 days) | S7 | 9.4.0 | Any | Any | Typo in bind_address.inc reports IPv6 status to IPv4 |
| 119041 | 2025-09-19 8:19 | 2025-09-23 9:57 | MySQL Server: Optimizer | Verified (27 days) | S2 | 8.0.25 8.0.40 | Any | Any | statistics automatic update cause poor execution plan |
| 119040 | 2025-09-19 6:46 | 2025-09-23 1:39 | MySQL Server: Optimizer | Verified (31 days) | S3 | 8.0.41 | Linux | x86 | The execution performance of the default execution plan is poor. If ignore index is used, the query performance is great |
| 119038 | 2025-09-19 5:33 | 2025-09-25 16:08 | MySQL Server: Documentation | Verified (27 days) | S3 | 8.0, 8.4 | Any | Any | binlog_row_image=MINIMAL on replica only contains a full after row image |
| 119037 | 2025-09-18 20:48 | 2025-09-23 1:21 | MySQL Server: Data Dictionary | Verified (28 days) | S5 | 8.0.42 | Linux | Any | High memory consumption engine upgrade with ~1 million tables |
| 119036 | 2025-09-18 14:49 | 2025-09-22 14:34 | MySQL Workbench | Verified (31 days) | S4 | 8.0 | Windows | Any | Data export to utf8mb4 is impossible from Workbench UI – default-character-set utf8 hardcoded in Python files |
| 119035 | 2025-09-18 10:11 | 2025-09-23 0:48 | MySQL Server: Optimizer | Verified (28 days) | S3 | 9.4.0 8.4.6 | Any | Any | Incorrect result for BETWEEN with mixed types on a BINARY column with a UNIQUE key |
| 119034 | 2025-09-18 9:34 | 2025-09-23 0:50 | MySQL Server: Optimizer | Verified (28 days) | S3 | 9.4.0 8.4.6 | Any | Any | Incorrect result when comparing a numeric string literal to a BIT column with a UNIQUE key |
| 119033 | 2025-09-18 9:16 | 2025-09-23 0:51 | MySQL Server: Optimizer | Verified (28 days) | S3 | 9.4.0 8.4.6 | Any | Any | Incorrect filtering when comparing a BINARY-cast integer to a BIT column with a UNIQUE key |
| 119032 | 2025-09-18 7:52 | 2025-09-23 0:51 | MySQL Server: Optimizer | Verified (28 days) | S2 | 9.2.0 | Any | Any | Inconsistency with MySQL 8.0.36 in MySQL 9.2.0: Equivalent INTERSECT query does not match INNER JOIN result and returns |
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