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| ID# | Date | Updated | Type | Status | Sev | Version | OS | CPU | Summary |
|---|---|---|---|---|---|---|---|---|---|
| 120943 | 2026-07-16 5:53 | 2026-07-16 5:53 | MySQL Server: Optimizer | Open | S2 | 8.0.42, 8.0.44, 8.0.46, 8.4.10 | Any (Official mysql Docker images (Linux/aarch64)) | Any | Semijoin duplicate-weedout discards valid rows when fed by a rowid filesort |
| 120941 | 2026-07-16 2:34 | 2026-07-16 3:21 | MySQL Server: InnoDB storage engine | Open | S3 | 8.4.7-7 | Any | Any | Contribution by ByteDance RDS MySQL team: InnoDB may permanently skip an undo record during shutdown |
| 120940 | 2026-07-16 2:03 | 2026-07-16 2:03 | Shell Upgrade Checker | Open | S2 | 8.4.10, 9.7.1 | Any | Any | check-for-server-upgrade misses removed-function usage when whitespace separates the function name from '(' |
| 120935 | 2026-07-15 10:45 | 2026-07-15 10:45 | MySQL Server: Optimizer | Open | S2 | 9.5.0 | Any | Any | Duplicate equivalent EXISTS predicate is not eliminated and causes a much slower execution plan |
| 120933 | 2026-07-15 9:54 | 2026-07-15 9:54 | MySQL Server: InnoDB storage engine | Open | S3 | 8.4.7-7 | Any | Any | mysqld crash during shutdown |
| 120931 | 2026-07-15 2:52 | 2026-07-15 2:52 | Tests: System | Open | S3 | Any | Any | Contribution: Mock ci GitHub config v2 | |
| 120926 | 2026-07-14 14:07 | 2026-07-14 14:07 | MySQL Server: Optimizer | Open | S3 | 8.4.10 | Any | Any | Wrong result with CTE, AVG(DECIMAL), GROUP BY, comparison, and UNION |
| 120925 | 2026-07-14 14:04 | 2026-07-14 14:04 | MySQL Server: Optimizer | Open | S3 | 8.4.10 | Any | Any | Wrong result with VIEW, GROUP_CONCAT, JSON_QUOTE, UPPER, and UNION |
| 120924 | 2026-07-14 13:59 | 2026-07-14 13:59 | MySQL Server: Optimizer | Open | S3 | 8.4.10 | Any | Any | Wrong result with VIEW, GROUP_CONCAT, JSON_QUOTE, HEX, LOWER, and self JOIN |
| 120923 | 2026-07-14 13:53 | 2026-07-14 13:53 | MySQL Server: Optimizer | Open | S3 | 8.4.10 | Any | Any | Wrong result with CTE, UNION ALL, GROUP BY, and COUNT() |
| 120921 | 2026-07-14 13:51 | 2026-07-14 13:51 | MySQL Server: Optimizer | Open | S3 | 8.4.10 | Any | Any | Wrong result with VIEW, GROUP BY, STDDEV(DOUBLE), and IN subquery |
| 120918 | 2026-07-14 10:56 | 2026-07-15 5:25 | MySQL Server: Optimizer | Verified (1 day) | S3 | 9.5.0 | Any | Any | MySQL returns the wrong column alias for an empty result query |
| 120917 | 2026-07-14 10:34 | 2026-07-15 5:23 | MySQL Server: Optimizer | Verified (1 day) | S3 | 9.5.0 | Any | Any | Adding OR FALSE to an IN-subquery predicate changes the query result |
| 120912 | 2026-07-13 15:04 | 2026-07-14 6:52 | MySQL Server: Security: Privileges | Open | S3 | 8.4.10 | Any | Any | REQUIRE SUBJECT/ISSUER authentication fails on OpenSSL 3.x (RHEL 9) due to X509_NAME_oneline() escaping + as \+ |
| 120910 | 2026-07-13 12:29 | 2026-07-14 12:31 | MySQL Server: Optimizer | Verified (2 days) | S3 | 8.4.10 | Any | Any | Wrong result with VIEW, EXISTS, BINARY comparison, nullable boolean expression, and RIGHT JOIN |
| 120907 | 2026-07-13 10:36 | 2026-07-14 12:46 | MySQL Server: Optimizer | Verified (2 days) | S1 | MySQL 9.7.1 | Any | Any | Index Lookup Loses Unary Plus Operator During Condition Pushdown, Causing String-to-Integer Truncation and Wrong Match |
| 120906 | 2026-07-13 10:18 | 2026-07-14 12:50 | MySQL Server: Optimizer | Verified (2 days) | S3 | 8.4.10 | Any | Any | Wrong result with VIEW, UNION, NOT IN, NULL-safe equality, and LENGTH() |
| 120905 | 2026-07-13 10:06 | 2026-07-14 12:56 | MySQL Server: Optimizer | Verified (2 days) | S1 | MySQL 9.7.1 | Any | Any | CASE Expression with Mixed FLOAT/INT Constant Returns Different Results in Single Table vs. Derived Table Due to Type In |
| 120904 | 2026-07-13 9:59 | 2026-07-13 9:59 | MySQL Server: Optimizer | Open | S3 | 8.4.10 | Any | Any | Wrong/inconsistent result between VIEW and CTE with UNION ALL, EXISTS, and integer division |
| 120901 | 2026-07-13 8:53 | 2026-07-14 13:12 | MySQL Server: Optimizer | Verified (2 days) | S3 | 8.4.9, 8.4.10 | Any | Any | SELECT ... LOCK IN SHARE MODE returns different row sets depending on index choice under RC/RU |
| 120898 | 2026-07-11 20:40 | 2026-07-11 20:40 | MySQL Workbench | Open | S3 | MySQL Workbench 8.0.47 | Windows (11) | Any | MySQL Workbench Table Data Import Wizard imports 0 records although CSV preview displays data |
| 120897 | 2026-07-09 1:57 | 2026-07-13 9:55 | MySQL Workbench | Open | S1 | 8.0 | MacOS (Tahoma 26) | ARM (X64) | MySQL Workbench Crashes on MacOS Tahoma |
| 120896 | 2026-07-08 23:11 | 2026-07-08 23:11 | MySQL Server: Logging | Open | S3 | 8.4.10 | Any | Any | General query log inconsistency: SECURITY DEFINER function/trigger bodies logged as definer (host %); SP body not logged |
| 120895 | 2026-07-08 20:22 | 2026-07-08 20:22 | MySQL Server: Packaging | Open | S3 | 9.7.1 | Any (el8 / el9) | Any | 9.7.1 Missing BuildRequires: when building el8 / el9 variants breaks rpm bebuilds |
| 120889 | 2026-07-07 16:41 | 2026-07-07 17:50 | Connector / J | Open | S3 | Any | Any | Contribution: Implement extended capability flags and metadata caching | |
| 120874 | 2026-07-06 13:30 | 2026-07-07 6:42 | MySQL Server: Optimizer | Verified (9 days) | S3 | 8.4.x, 9.7.x | Any | Any | MySQL's INET6_NTOA function is not RFC 5952 complaint |
| 120870 | 2026-07-06 5:20 | 2026-07-07 6:30 | MySQL Server: Optimizer | Verified (9 days) | S5 | 9.7.1 | Ubuntu (22.04.4 LTS) | x86 (x86_64, Intel(R) Xeon(R) Gold 5220) | Hypergraph misses BETWEEN equality, causing 100x slowdown |
| 120869 | 2026-07-05 10:46 | 2026-07-06 5:40 | MySQL Server: Optimizer | Verified (10 days) | S5 | 9.7.1 | Ubuntu (22.04.4 LTS) | x86 (x86_64, Intel(R) Xeon(R) Gold 5220) | Optimizer chooses 26x slower join order due to fanout misestimation despite histograms |
| 120868 | 2026-07-05 8:42 | 2026-07-06 5:30 | MySQL Server: Optimizer | Verified (10 days) | S5 | 9.7.1 | Linux (22.04.4 LTS) | x86 (x86_64, Intel(R) Xeon(R) Gold 5220) | Optimizer misses ORDER BY LIMIT optimization when ordering key is equivalent through join equality |
| 120861 | 2026-07-03 12:43 | 2026-07-04 13:48 | MySQL Server: Optimizer | Verified (12 days) | S5 | 9.7.1 | Ubuntu (22.04.4 LTS) | x86 (x86_64, Intel(R) Xeon(R) Gold 5220) | SELECT DISTINCT inner join expands duplicate-insensitive fanout instead of using semijoin/existence semantics |
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