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| ID# | Date | Updated | Type | Status | Sev | Version | OS | CPU | Summary |
|---|---|---|---|---|---|---|---|---|---|
| 120905 | 2026-07-13 10:06 | 2026-07-20 11:02 | MySQL Server: Optimizer | Verified (8 days) | S1 | 9.1 | Any | Any | CASE Expression with Mixed FLOAT/INT Constant Returns Different Results in Single Table vs. Derived Table Due to Type In |
| 119944 | 2026-02-25 22:14 | 2026-02-26 13:13 | MySQL Server: Optimizer | Verified (146 days) | S1 | 8.0, 8.4, 9.X | Any | Any | Feature Request: Extend TIMESTAMP range beyond 2038-01-19 by switching to 64-bit signed storage (Year 2038 Problem) |
| 47118 | 2009-09-04 1:35 | 2026-05-28 1:12 | MySQL Server: General | Patch pending (2065 days) | S1 | 5.1.39, 5.1.37, 5.0.83,8.0.22, 5.6.10 | Any | Any | Wrong auto_increment value when auto_increment_offset > auto_increment_increment |
| 120907 | 2026-07-13 10:36 | 2026-07-21 15:19 | MySQL Server: Optimizer | Verified (8 days) | S1 | 8.0.46, 8.4.10, 9.7.1 | Any | Any | Index Lookup Loses Unary Plus Operator During Condition Pushdown, Causing String-to-Integer Truncation and Wrong Match |
| 119432 | 2025-11-20 8:47 | 2025-12-07 21:44 | MySQL Server: Data Types | Verified (227 days) | S1 | 8.0 | Any | Any | Inconsistent time conversion behaviors between text and integer |
| 120966 | 2026-07-21 5:58 | 2026-07-22 8:41 | MySQL Server: Optimizer | Verified | S1 | 8.0.46, 8.4.10, 9.7.1 | Any | Any | LEAST Expression Incorrectly Evaluated as Integer for Index Lookup in IN Condition |
| 120975 | 2026-07-22 4:42 | 2026-07-22 9:05 | MySQL Server: Optimizer | Verified | 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 (43 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 |
| 119433 | 2025-11-20 9:30 | 2025-12-07 21:58 | MySQL Server: Data Types | Verified (227 days) | S1 | 8.4.6 | Any | Any | Inconsistent date conversion behaviors between text and integer |
| 114922 | 2024-05-08 9:25 | 2024-05-08 9:58 | MySQL Server: Optimizer | Verified (805 days) | S1 | 8.0.36 | Any | Any | Incorrect query results caused by different data conversion |
| 56902 | 2010-09-21 16:43 | 2013-03-03 20:45 | MySQL Server: MyISAM storage engine | Verified (5783 days) | S1 | mysql-5.1.50.tar | Linux (Linux 2.6.18-164.el5xen Red Hat) | Any | Reproducible/systematic core by myisampack (latest 5.1.50 version) |
| 120641 | 2026-06-09 10:23 | 2026-07-20 11:12 | MySQL Server: Optimizer | Verified (43 days) | S1 | 8.0 | Any (Storage Engine: InnoDB) | Any | Derived condition pushdown causes wrong row filtering due to incorrect constant folding with any_value() aggregation |
| 119154 | 2025-10-14 13:24 | 2026-01-13 10:22 | MySQL Server: Data Types | Verified (190 days) | S1 | 8.4.6 | Any | Any | Incorrect BIT_COUNT value for TEXT column |
| 119687 | 2026-01-15 10:23 | 2026-01-15 13:18 | MySQL Server: Optimizer | Verified (188 days) | S1 | 8.0.44 | Any | Any | Inconsistent behaviour between normal and prepared INSERT |
| 42873 | 2009-02-16 10:03 | 2021-05-02 20:45 | MySQL Cluster: Cluster (NDB) storage engine | Verified (6266 days) | S1 | mysql-5.1-telco-7.0 | Solaris | Any | Heavy INSERT on table with UNIQUE indexes makes ndbd crash |
| 120737 | 2026-06-22 8:28 | 2026-06-22 10:31 | MySQL Server: Optimizer | Verified (30 days) | S1 | 8.0.45 | Any | Any | Inconsistent CAST Handling of Out-of-Range TEXT Values in Single Table vs. View/Join Paths |
| 77088 | 2015-05-19 8:59 | 2015-11-02 18:39 | Connector / NET | Verified (4081 days) | S1 | 6.9.6 | Windows | Any | Incorrect SQL generated when (complex) querying self-referencing table |
| 120908 | 2026-07-13 10:50 | 2026-07-20 11:16 | MySQL Server: Optimizer | Verified (8 days) | S1 | 9.1 | Any | Any | DISTINCTROW with GROUP BY in Derived Table Loses Rows Due to Incomplete Duplicate Removal Key |
| 120976 | 2026-07-22 4:45 | 2026-07-22 9:34 | MySQL Server: Optimizer | Verified | S1 | 9.3 | Any | Any | LATERAL Derived Table Causes IFNULL to Ignore Inner Table Column, Returning NULL for All Rows |
| 119139 | 2025-10-13 7:30 | 2025-12-18 8:56 | MySQL Server: Optimizer | Verified (216 days) | S1 | 9.4.0 | Any | Any | Unexpected error `Incorrect DECIMAL value: '0' for column '' at row -1` |
| 120734 | 2026-06-20 14:02 | 2026-06-22 9:59 | MySQL Server: Optimizer | Verified (30 days) | S1 | 8.0.45 | Any | Any | Constant Table Optimization Ignores WHERE Condition for MAX(DISTINCT), Returning Incorrect Non-NULL Value |
| 120833 | 2026-07-02 10:32 | 2026-07-21 16:27 | MySQL Server: Optimizer | Verified (19 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 |
| 120834 | 2026-07-02 10:38 | 2026-07-21 16:25 | MySQL Server: Optimizer | Verified (20 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) |
| 120909 | 2026-07-13 11:05 | 2026-07-21 15:16 | MySQL Server: Optimizer | Verified (8 days) | S1 | 8.0.46, 8.4.10, 9.7.1 | Any | Any | ROLLUP Incorrectly Sets Base Group Row to NULL for Constant Folded Expression |
| 64002 | 2012-01-11 20:01 | 2012-01-19 11:52 | MySQL Server: Optimizer | Verified (5305 days) | S1 | 5.5.19 | Any (Debian, Windows XP) | Any | Aggregate queries with multiple columns and no GROUP BY produce bogus results |
| 120867 | 2026-07-04 10:14 | 2026-07-21 15:50 | MySQL Server: Optimizer | Verified (16 days) | S1 | 8.0.46, 8.4.10, 9.7.1 | Any | Any | Const Table Optimization Incorrectly Evaluates FLOAT Comparison with Extreme DOUBLE Constant Due to Overflow |
| 120903 | 2026-07-13 9:57 | 2026-07-21 15:45 | MySQL Server: Optimizer | Verified (8 days) | S1 | 8.0.46, 8.4.10, 9.7.1 | Any | Any | WITH ROLLUP in Derived Table Incorrectly Evaluates IFNULL Expression Due to Partial NULL Propagation |
| 116721 | 2024-11-20 7:01 | 2024-11-20 7:37 | MySQL Server: Optimizer | Verified (609 days) | S1 | 8.4.2, 8.0.40 | Any | Any | Issues with combining COALESCE and DATE functions. |
| 43039 | 2009-02-20 1:14 | 2013-03-03 20:45 | MySQL Server: General | Verified (6355 days) | S1 | mysql-6.0.11, 5.1 | Any | Any | mysql_truncate() uses ha_resolve_by_legacy_type() |
| 55477 | 2010-07-22 11:21 | 2025-12-07 20:45 | MySQL Server: Parser | Verified (5797 days) | S1 | 5.1.44, 5.1.50-bzr, 5.5.20 | Windows (XP) | Any | Bad parsing of SQL operators (!! is different from ! !) |
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