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| ID# | Date | Updated | Type | Status | Sev | Version | OS | CPU | Summary |
|---|---|---|---|---|---|---|---|---|---|
| 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 |
| 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 |
| 120972 | 2026-07-21 13:42 | 2026-07-22 12:09 | MySQL Server: Optimizer | Verified | S2 | 8.0.46, 8.4.10, 9.7.1 | Any | Any | Redundant outer DISTINCT creates a second temporary-table deduplication above EXCEPT in MySQL |
| 120971 | 2026-07-21 9:01 | 2026-07-22 13:55 | MySQL Server: Optimizer | Verified | S2 | 8.0.46, 8.4.10, 9.7.1 | Any | Any | Redundant IS NOT NULL on SHA2() expression causes extra evaluation and slower execution |
| 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 |
| 120961 | 2026-07-20 15:37 | 2026-07-21 0:25 | MySQL Server: Document Store: MySQL Shell | Verified (1 day) | S3 | Any | Any | Contribution: Fix upgrade sysvars pre-check for colon-delimited cipher list ... | |
| 120956 | 2026-07-19 12:30 | 2026-07-22 14:02 | MySQL Server: Optimizer | Verified | S2 | 8.0.46, 8.4.10, 9.7.1 | Ubuntu | Any | MySQL does not normalize duplicated OR predicates, causing a ~158x execution-time difference for equivalent WHERE clause |
| 120953 | 2026-07-18 16:47 | 2026-07-20 7:09 | MySQL Server: InnoDB storage engine | Verified (2 days) | S3 | 9.7 | Windows (Windows 11) | Any | Cannot create table - row size too large |
| 120949 | 2026-07-17 5:24 | 2026-07-20 8:03 | MySQL Server: DDL | Verified (2 days) | S6 | 8.4.10 | Ubuntu (ubuntu22.04 docker in the fedora host) | x86 (x64) | Sql_cmd_secondary_load_unload::mysql_secondary_load_or_unload(THD*, Table_ref*): Assertion `m_alter_info->requested_algo |
| 120948 | 2026-07-17 0:42 | 2026-07-21 5:36 | Shell Upgrade Checker | Verified (1 day) | S2 | 9.7.1 | Any | Any | checkForServerUpgrade has no check for MD5()/SHA1()/SHA() usage removed in 9.6.0 |
| 120935 | 2026-07-15 10:45 | 2026-07-22 14:06 | MySQL Server: Optimizer | Verified | S2 | 8.0.46, 8.4.10, 9.7.1 | Any | Any | Duplicate equivalent EXISTS predicate is not eliminated and causes a much slower execution plan |
| 120933 | 2026-07-15 9:54 | 2026-07-20 8:02 | MySQL Server: InnoDB storage engine | Verified (2 days) | S6 | 8.4.7-7 | Any | Any | mysqld crash during shutdown |
| 120929 | 2026-07-14 16:35 | 2026-07-21 8:24 | MySQL Server: Documentation | Verified (1 day) | S3 | 9.7.1 | Any | Any | LATEST FOREIGN KEY ERROR is not printed in SHOW ENGINE INNODB STATUS |
| 120926 | 2026-07-14 14:07 | 2026-07-21 18:21 | MySQL Server: Optimizer | Verified (1 day) | S3 | 8.4.10 | Any | Any | Wrong result with CTE, AVG(DECIMAL), GROUP BY, comparison, and UNION |
| 120925 | 2026-07-14 14:04 | 2026-07-21 18:19 | MySQL Server: Optimizer | Verified (1 day) | S3 | 8.4.10 | Any | Any | Wrong result with VIEW, GROUP_CONCAT, JSON_QUOTE, UPPER, and UNION |
| 120924 | 2026-07-14 13:59 | 2026-07-21 18:14 | MySQL Server: Optimizer | Verified (1 day) | 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 | 2026-07-21 18:06 | MySQL Server: Optimizer | Verified (1 day) | S3 | 8.4.10 | Any | Any | Wrong result with CTE, UNION ALL, GROUP BY, and COUNT() |
| 120921 | 2026-07-14 13:51 | 2026-07-21 18:23 | MySQL Server: Optimizer | Verified (1 day) | S3 | 8.0.46, 8.4.10, 9.7.1 | 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 (7 days) | 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 (7 days) | S3 | 9.5.0 | Any | Any | Adding OR FALSE to an IN-subquery predicate changes the query result |
| 120911 | 2026-07-13 13:28 | 2026-07-14 7:03 | MySQL Server: Optimizer | Verified (8 days) | S2 | 9.6.0,9.7.0 | Ubuntu | Any | Wrong result after predicate pushdown to HAVING for SUM(DOUBLE) in VIEW/CTE |
| 120910 | 2026-07-13 12:29 | 2026-07-14 12:31 | MySQL Server: Optimizer | Verified (8 days) | S3 | 8.4.10 | Any | Any | Wrong result with VIEW, EXISTS, BINARY comparison, nullable boolean expression, and RIGHT JOIN |
| 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 |
| 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 |
| 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 |
| 120906 | 2026-07-13 10:18 | 2026-07-14 12:50 | MySQL Server: Optimizer | Verified (8 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 | 2026-07-20 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 |
| 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 |
| 120902 | 2026-07-13 9:13 | 2026-07-14 13:06 | MySQL Server: Optimizer | Verified (8 days) | S5 | 9.7.1 | Linux (Ubuntu (22.04.4 LTS)) | x86 (x86_64, Intel(R) Xeon(R) Gold 5220) | Hash join AccessPath double-applies probe-side condition filtering |
| 120901 | 2026-07-13 8:53 | 2026-07-14 13:12 | MySQL Server: Optimizer | Verified (8 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 |
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