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| ID# | Date | Updated | Type | Status | Sev | Version | OS | CPU | Summary |
|---|---|---|---|---|---|---|---|---|---|
| 120491 | 2026-05-18 5:53 | 2026-05-18 12:22 | MySQL Server: Optimizer | Verified (1 day) | S2 | 8.0.46 | CentOS | Any | Semijoin returns wrong results for VARCHAR-to-DECIMAL comparison with non-canonical numeric strings |
| 120490 | 2026-05-18 3:24 | 2026-05-18 8:26 | MySQL Server: Optimizer | Verified (1 day) | S5 | 9.7.0 | Any | Any | Join Not Eliminated When Constant Table is Empty Due to PrimaryKeyCol IN (NULL) Condition |
| 120486 | 2026-05-17 8:52 | 2026-05-18 10:30 | MySQL Server: Charsets | Verified (1 day) | S4 | Any | Any | Proposal for Unicode 17 Support | |
| 120477 | 2026-05-14 15:50 | 2026-05-18 10:26 | MySQL Server: Optimizer | Verified (1 day) | S5 | 9.7.0 | Any | Any | Index Not Used for HAVING Without GROUP BY or aggregate functions |
| 120476 | 2026-05-14 11:53 | 2026-05-18 8:25 | MySQL Server: Optimizer | Verified (1 day) | S2 | 9.6.0 | Linux | Any | Index Merge Union returns duplicate row for overlapping OR conditions, producing wrong result count |
| 120475 | 2026-05-14 9:09 | 2026-05-18 10:20 | MySQL Server: Optimizer | Verified (1 day) | S2 | 8.0.46 | Linux | Any | Index Merge Intersection incorrectly drops matching rows in SELECT with OR predicate, returning wrong result count |
| 120472 | 2026-05-14 4:07 | 2026-05-18 9:40 | MySQL Server: Optimizer | Verified (1 day) | S3 | 8.0.43 | Any | Any | Wrong Result After Removing Semantically Redundant RIGHT JOIN ... ON FALSE |
| 120465 | 2026-05-13 8:31 | 2026-05-18 8:52 | MySQL Server: Optimizer | Verified (1 day) | S3 | 8.0.46 | Any | Any | AVG(ASCII()) result truncated to 99.9999 with SQL_BUFFER_RESULT due to incorrect decimal precision |
| 120457 | 2026-05-12 15:03 | 2026-05-17 23:17 | MySQL Server: Optimizer | Verified (2 days) | S2 | 9.7 | CentOS | x86 | Hypergraph optimizer returns wrong results for LEFT JOIN LATERAL with SEMI JOIN when derived_merge |
| 120456 | 2026-05-12 15:02 | 2026-05-17 23:00 | MySQL Server: Optimizer | Verified (2 days) | S2 | 8.0.46 | Linux | Any | Semijoin Nested Loop index lookup uses raw VARCHAR keys against a DOUBLE B-tree, causing mismatches when the string over |
| 120429 | 2026-05-10 7:04 | 2026-05-11 9:04 | MySQL Server: Optimizer | Verified (8 days) | S2 | 9.7.0 | Windows (Windows Server 2022) | Any | IFNULL function does not handle NULL |
| 120419 | 2026-05-08 7:50 | 2026-05-08 19:26 | MySQL Server: Optimizer | Verified (11 days) | S3 | 8.0.46 | Linux | Any | rematerialized temptable cause wrong order |
| 120408 | 2026-05-06 5:50 | 2026-05-06 9:05 | MySQL Server: InnoDB storage engine | Verified (13 days) | S4 | Any | Any | Feature Request: Complete vector search capabilities - distance functions, vector indexes and search | |
| 120406 | 2026-05-06 4:46 | 2026-05-06 9:43 | MySQL Server: Documentation | Verified (13 days) | S3 | Any | Any | Inconsistent GBK-to-utf8mb4 conversion between implicit INSERT ... SELECT assignment and explicit CONVERT() | |
| 120403 | 2026-05-05 13:47 | 2026-05-14 8:17 | MySQL Server: Optimizer | Verified (13 days) | S2 | 8.0.46, 8.4.9, 9.7.0 | Any | Any | Regression in MySQL 8.0.46, 8.4.9 & 9.7.0: WHERE equality condition fails to match existing row |
| 120377 | 2026-04-29 8:45 | 2026-04-29 10:47 | MySQL Server: Optimizer | Verified (20 days) | S3 | 8.0.43 (MySQL Community Server - GPL) | Any (Docker container) | Any (x86_64) | Incorrect row count in MySQL when using LATERAL derived table with DISTINCT and CASE |
| 120365 | 2026-04-28 9:36 | 2026-04-28 10:14 | MySQL Server: DDL | Verified (21 days) | S4 | 9.7.0 | Any | Any | Incorrect object type in note related to CREATE VIEW |
| 120363 | 2026-04-28 6:58 | 2026-04-30 8:28 | MySQL Server: Optimizer | Verified (19 days) | S3 | 8.0.43 | Any (Docker container) | Any (x86_64) | LEFT JOIN ON FALSE causes incorrect NULL comparison result in MySQL |
| 120362 | 2026-04-28 6:13 | 2026-04-28 9:37 | MySQL Server: Documentation | Verified (21 days) | S2 | 9.7.0 | Any | Any | Incorrect syntax for CREATE VIEW in docs |
| 120352 | 2026-04-27 9:34 | 2026-04-28 4:26 | MySQL Server: Optimizer | Verified (21 days) | S2 | 9.6.0 | Linux | Any | Prefix index with length 1 causes incorrect "Zero rows" optimization with float overflow literal in range condition |
| 120350 | 2026-04-27 8:35 | 2026-04-28 4:31 | MySQL Server: Optimizer | Verified (21 days) | S2 | 9.6.0 | Linux | Any | Prefix index on TEXT column causes range scan to miss qualifying rows in MySQL |
| 120344 | 2026-04-26 6:43 | 2026-04-27 4:04 | MySQL Server: Optimizer | Verified (22 days) | S2 | 9.6.0 | Any | Any | VIEW and equivalent CTE return different results with UNION, YEAR(0), and repeated reference in subquery |
| 120342 | 2026-04-25 9:01 | 2026-05-04 5:40 | MySQL Server: Components / Services | Verified (15 days) | S3 | MySQL Server trunk @ 447eb26e094b444a88c | Ubuntu (Linux 5.4.0-216-generic) | x86 (x86_64) | register_service_nolock() leaves stale interface_mapping entry if default-name map insertion throws |
| 120341 | 2026-04-24 14:47 | 2026-04-30 9:58 | MySQL Server: Logging | Verified (24 days) | S4 | 8.4.4 | Linux | x86 | Add an option to output slow logs in JSON format |
| 120326 | 2026-04-22 19:32 | 2026-04-23 6:32 | MySQL Server: Data Dictionary | Verified (26 days) | S2 | 8.4 | Any | Any | Upgrade fails on partitioned tables due to stale THD error from stored procedure compilation |
| 120323 | 2026-04-22 12:51 | 2026-05-08 18:52 | MySQL Server: DDL | Verified (26 days) | S1 | 8.4.9 | Debian (12) | x86 | Regression : "Row size too large (> 8126)" error with table using InnoDb DYNAMIC row format |
| 120313 | 2026-04-21 17:11 | 2026-04-22 4:43 | MySQL Server: Optimizer | Verified (27 days) | S1 | 9.6 | Linux (Observed on Linux via the `mysql:9.6` ) | Any | Wrong result when only GROUP BY key order is changed in a join query with nested window-function input |
| 120312 | 2026-04-21 16:58 | 2026-04-22 4:40 | MySQL Server: Optimizer | Verified (27 days) | S2 | 9.6 | Linux (Observed on Linux via the `mysql:9.6` ) | Any | Wrong result for MIN(TIME) UNION ALL DATE after view extraction |
| 120311 | 2026-04-21 16:52 | 2026-04-22 4:38 | MySQL Server: Optimizer | Verified (27 days) | S2 | 9.6 | Linux (Observed on Linux via the `mysql:9.6` ) | Any | Wrong result for grouped SUM(DISTINCT ...) with DENSE_RANK() after view extraction |
| 120310 | 2026-04-21 16:45 | 2026-04-22 4:34 | MySQL Server: Optimizer | Verified (27 days) | S2 | 9.6 | Linux (Observed on Linux via the `mysql:9.6` ) | Any | Wrong result for MAX(BIT(8)) UNION ALL BLOB after view extraction in a window-function workload |
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