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| ID# | Date | Updated | Type | Status | Sev | Version | OS | CPU | Summary |
|---|---|---|---|---|---|---|---|---|---|
| 120016 | 2026-03-09 17:41 | 2026-03-10 7:58 | MySQL Server: Documentation | Verified | S2 | 8.0, 8.4, 9.x | Any | Any | Documentation "Exchanging Partitions and Subpartitions with Tables" not mentioning limitation about ALGORITHM=INSTANT. |
| 120015 | 2026-03-09 13:48 | 2026-03-09 14:14 | MySQL Server: Optimizer | Verified (1 day) | S1 | 8.0.45 | Any | Any | Incorrect retention of NULL rows due to CASE evaluation error in WHERE clause. |
| 120011 | 2026-03-09 10:29 | 2026-03-09 11:16 | MySQL Server: Optimizer | Verified (1 day) | S1 | 8.0.44 | Any | Any | The normal query generated a non-optimal query plan with index. |
| 120010 | 2026-03-09 9:56 | 2026-03-09 10:21 | MySQL Server: Optimizer | Verified (1 day) | S1 | 8.0.45 | Any | Any | Incorrect result set when evaluating IS NULL on a derived table containing logical AND expressions |
| 120005 | 2026-03-08 0:14 | 2026-03-10 8:04 | MySQL Server: Optimizer | Verified | S2 | 8.4.7 | Any | Any | Wrong results with subquery with semijoin=on and antijoin optimization |
| 120004 | 2026-03-07 19:38 | 2026-03-09 9:48 | MySQL Server: Optimizer | Verified (1 day) | S2 | 8.0.31 | Any | Any | IndexSkipScanIterator Assertion Failure |
| 120003 | 2026-03-07 12:14 | 2026-03-09 9:41 | MySQL Server: Optimizer | Verified (1 day) | S3 | 8.0.45 | Any | Any | column name unexpectedly change because of '1' as a column |
| 119995 | 2026-03-06 9:51 | 2026-03-09 9:55 | MySQL Server: Optimizer | Verified (1 day) | S2 | 8.0.45 | Any | Any | Function find_in_set return wrong result |
| 119991 | 2026-03-06 5:56 | 2026-03-06 11:27 | MySQL Server: Optimizer | Verified (4 days) | S2 | 8.0.45 | Linux | x86 | Incorrect result with LEFT/RIGHT JOIN when comparing boolean expression with = 0 in presence of functional index |
| 119977 | 2026-03-03 13:44 | 2026-03-03 20:55 | MySQL Server: Optimizer | Verified (7 days) | S3 | 8.0.36 | Any (windows 11) | Any | NULL > ALL(subquery) produces NULL but IS NULL / IS UNKNOWN both return FALSE |
| 119973 | 2026-03-02 21:01 | 2026-03-03 8:45 | MySQL Server: Optimizer | Verified (7 days) | S1 | 8.0.45 | Any | Any | Inconsistent results depending on whether the column has a PRIMARY KEY index |
| 119972 | 2026-03-02 19:47 | 2026-03-03 9:47 | MySQL Server: Optimizer | Verified (7 days) | S1 | 8.0.45 | Any | Any | Incorrect Result from IN Subquery with UNIQUE Index |
| 119965 | 2026-03-02 11:56 | 2026-03-02 13:58 | MySQL Server: Partitions | Verified (8 days) | S3 | 8.0.35 | Any | Any | The results of the same query statement are inconsistent when it is executed multiple times. |
| 119963 | 2026-03-02 9:08 | 2026-03-02 13:43 | MySQL Server: Optimizer | Verified (8 days) | S3 | 8.0.45 | Any | Any | Inconsistent Results When Comparing Identical Aggregate Calculations Between Main Query and Correlated Subquery |
| 119959 | 2026-03-01 14:50 | 2026-03-02 13:16 | MySQL Server: Optimizer | Verified (8 days) | S3 | 8.0.45 | Linux (ubuntu 20.04) | x86 | Inconsistent results between direct query and derived table query involving NULLIF and IS NOT UNKNOWN |
| 119958 | 2026-02-28 13:09 | 2026-03-02 13:02 | MySQL Server: Optimizer | Verified (8 days) | S1 | 8.0.45 | Any | Any | EXISTS subquery result behaves inconsistently based on source table |
| 119955 | 2026-02-27 5:03 | 2026-03-02 12:46 | MySQL Server: Optimizer | Verified (8 days) | S3 | 8.0.43 (MySQL Community Server - GPL) | Any (Docker container) | Any (x86_64) | Semantically equivalent scalar expressions yield different result sets in WHERE clause involving RPAD() |
| 119944 | 2026-02-25 22:14 | 2026-02-26 13:13 | MySQL Server: Optimizer | Verified (12 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) |
| 119938 | 2026-02-25 7:36 | 2026-03-04 3:50 | MySQL Server: Partitions | Verified (6 days) | S2 | 8.0.45, 8.4.8, 9.6.0 | Any | Any | select partition table with virtual column return wong result |
| 119937 | 2026-02-25 4:54 | 2026-02-25 9:25 | MySQL Server: Optimizer | Verified (13 days) | S3 | 8.0 | Any | Any | Result is not correct when using pow function with group by |
| 119934 | 2026-02-24 11:54 | 2026-02-24 12:45 | MySQL Server: Optimizer | Verified (14 days) | S7 | 8.0.41 | Any | Any | The table structure and data are the same, but the query results for a partitioned table are different from those for a |
| 119927 | 2026-02-20 10:28 | 2026-02-25 8:56 | MySQL Server: Optimizer | Verified (13 days) | S2 | 8.0.45 | Linux | Any | Inconsistent results between direct query and derived table with BIGINT column and FLOAT predicate (IN clause) |
| 119922 | 2026-02-18 16:34 | 2026-02-19 4:45 | MySQL Server: Optimizer | Verified (19 days) | S3 | Any | Any | Contribution: Fix excessive generation of histogram background update erro ... | |
| 119918 | 2026-02-17 8:12 | 2026-02-17 8:31 | MySQL Server: Optimizer | Verified (21 days) | S2 | 9.6.0 | Any | Any | Tree based explain format doesn't work well with MySQL Client or MySQL Shell |
| 119912 | 2026-02-15 4:33 | 2026-02-15 12:09 | MySQL Server: Optimizer | Verified (23 days) | S2 | 8.0.45 | Linux | Any | JOIN query returns different results depending on index visibility |
| 119911 | 2026-02-15 4:25 | 2026-02-20 7:49 | MySQL Server: Documentation | Verified (18 days) | S2 | 8.4 | Any | Any | Documentation is inconsistent |
| 119908 | 2026-02-12 12:49 | 2026-02-13 7:26 | MySQL Server: Optimizer | Verified (25 days) | S3 | 8.0.34 | Any | Any | GROUP_CONCAT returns corrupted characters when column charset is utf8mb4 and connection charset is gbk |
| 119904 | 2026-02-11 19:27 | 2026-02-17 7:50 | MySQL Server: Parser | Verified (21 days) | S3 | 9.6.0 | Any | Any | In MySQL 9.6.0, Reserved is set 0 for SETS |
| 119863 | 2026-02-09 11:16 | 2026-02-11 0:22 | Connector / J | Verified (27 days) | S2 | 8.0.30, 9.6.0 (Verified in both) | Linux (OpenJDK 17) | Any (OpenJDK 17) | Inaccurate decoding of negative TIME durations in Binary Protocol (Cursor Mode) |
| 119861 | 2026-02-09 9:01 | 2026-02-16 8:35 | MySQL Server: Optimizer | Verified (22 days) | S3 | 8.0.44 | Any | Any | Inconsistent query results when using <=> to compare row data with empty set subquery result |
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