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| ID# | Date | Updated | Type | Status | Sev | Version | OS | CPU | Summary |
|---|---|---|---|---|---|---|---|---|---|
| 118621 | 2025-07-09 12:39 | 2025-07-09 14:19 | MySQL Server: Optimizer | Verified (6 days) | S3 | 9.3.0, 8.0.42 | Any | Any | subquery_to_derived optimizer makes query produce incorrect result |
| 118585 | 2025-07-03 16:35 | 2025-07-04 6:42 | MySQL Server: Optimizer | Verified (11 days) | S5 | 8.0.39, 8.0.42, 8.4.5, 9.3.0 | Ubuntu (Ubuntu 20.04.2) | Any | system variable "range_alloc_block_size" arouse different execution plan |
| 118548 | 2025-06-28 7:56 | 2025-06-30 6:45 | MySQL Server: Optimizer | Verified (15 days) | S3 | 9.2.0, 9.3.0 | Linux | x86 | A potential bugs in Mysql Server |
| 118544 | 2025-06-27 14:18 | 2025-06-30 6:43 | MySQL Server: Optimizer | Verified (15 days) | S3 | 9.2.0 , 9.3.0 | Linux | Any | A potential join operator bug |
| 118541 | 2025-06-27 8:31 | 2025-06-27 13:37 | MySQL Server: Optimizer | Verified (18 days) | S3 | 9.2.0 , 8.0.42 | Linux | Any | Inconsistent Results Between NATURAL JOIN and its Equivalent Form Using EXCEPT ALL with Implicit Type Casting |
| 118540 | 2025-06-27 7:27 | 2025-06-27 13:36 | MySQL Server: Optimizer | Verified (18 days) | S3 | 9.2.0 , 8.0.42 | Linux | Any | Inconsistent results between NATURAL JOIN and INNER JOIN simulated via LEFT JOIN, RIGHT JOIN, and EXCEPT ALL with NULL v |
| 118512 | 2025-06-24 7:52 | 2025-06-25 8:13 | MySQL Server: Optimizer | Verified (21 days) | S2 | 8.0.42, 8.4.5, 9.3.0 | Any | Any | The missing semi join condition causes incorrect result |
| 118490 | 2025-06-19 13:00 | 2025-06-20 5:21 | MySQL Server: Optimizer | Verified (25 days) | S3 | master, 8.4 | Any | Any | hypergraph optimizer const folding caused inequivalent for join_cond_optim in Table_ref |
| 118350 | 2025-06-04 2:03 | 2025-06-04 6:32 | MySQL Server: Optimizer | Verified (41 days) | S3 | 9.x | Any | Any | Contribution: Adding fuzz directory and modifications to support it. |
| 118349 | 2025-06-04 2:03 | 2025-06-04 19:16 | MySQL Server: Optimizer | Verified (41 days) | S3 | 9.x | Any | Any | Contribution: fuzz: parse_sql target |
| 118313 | 2025-05-30 9:17 | 2025-05-30 10:19 | MySQL Server: Optimizer | Verified (46 days) | S3 | 8.0.41, 8.0.42, 8.4.5, 9.3.0 | Any | Any | The query result is incorrect. |
| 118198 | 2025-05-14 14:16 | 2025-05-19 22:49 | MySQL Server: Optimizer | Verified (57 days) | S2 | 9.3.0 | Ubuntu (22.04) | Any | Different intersection orders lead to more than 20,000 times performance gap |
| 118177 | 2025-05-13 8:53 | 2025-05-22 6:28 | MySQL Server: Optimizer | Verified (54 days) | S3 | 8.0.35 | Any | Any | Unnecessary filter operator in the execution plan |
| 118174 | 2025-05-13 6:43 | 2025-05-14 7:18 | MySQL Server: Optimizer | Verified (62 days) | S3 | 8.0 | Any | Any | Skip Scan doesn't support non-covering key scan |
| 118158 | 2025-05-09 20:09 | 2025-05-12 12:05 | MySQL Server: Optimizer | Verified (64 days) | S5 | 8.4.5 | Any | Any | Endless loop while executing some CTE |
| 118144 | 2025-05-08 23:35 | 2025-05-14 10:18 | MySQL Server: Optimizer | Verified (62 days) | S5 | 8.0.40, 8.0.42 | Red Hat (RHEL9) | x86 | Performance regression at 8.0.40 related to record buffer usage |
| 118089 | 2025-04-29 14:56 | 2025-05-08 13:57 | MySQL Server: Optimizer | Verified (76 days) | S3 | 8.0.42, 8.4.5, 9.3.0 | Any | Any | COALESCE with BIT field may return wrong values |
| 118085 | 2025-04-29 12:14 | 2025-04-29 13:43 | MySQL Server: Optimizer | Verified (77 days) | S1 | 9.3,9.0,8.0,8.0.42, 8.4.5 | Any | Any | Wrong right join result involving subquery |
| 118080 | 2025-04-29 6:51 | 2025-04-29 8:08 | MySQL Server: Optimizer | Verified (77 days) | S3 | 8.0.42 | Any | Any | The execution plan for the view with UNION ALL uses a full table scan instead of an index. |
| 118073 | 2025-04-28 15:10 | 2025-04-29 6:29 | MySQL Server: Optimizer | Verified (77 days) | S1 | 9.3,9.0,8.0, 8.0.42 | Any | Any | Wrong Inner Join Result |
| 118071 | 2025-04-28 13:09 | 2025-04-28 14:07 | MySQL Server: Optimizer | Verified (78 days) | S2 | 8.0.41, 8.0.42, 8.4.5, 9.3.0 | Any | Any | Indexed table fails WHERE filtering with different charset value |
| 118063 | 2025-04-27 19:02 | 2025-04-28 7:39 | MySQL Server: Optimizer | Verified (78 days) | S1 | 9.0, 8.0, 8.0.42, 8.4.5, 9.3.0 | Any | Any | Wrong Join Result after creating index on expressions |
| 118061 | 2025-04-26 13:02 | 2025-04-28 7:40 | MySQL Server: Optimizer | Verified (78 days) | S1 | 9.3, 8.4.5, 8.0.42 | Any | Any | wrong inner join result when adding an additional true expression |
| 118033 | 2025-04-22 14:51 | 2025-04-23 8:09 | MySQL Server: Optimizer | Verified (83 days) | S2 | 9.3.0 | Any | Any | Wrong Result of an and expression |
| 118024 | 2025-04-21 12:46 | 2025-04-23 8:07 | MySQL Server: Optimizer | Verified (85 days) | S1 | 9.3.0 | Any | Any | Wrong Right Join involving a predicate containing IFNULL and IN |
| 118020 | 2025-04-20 23:23 | 2025-05-19 14:51 | MySQL Server: Optimizer | Verified (57 days) | S1 | 9.2.0, 9.3.0 | Any (22.04) | Any | A critical logic bug and performance bug |
| 118019 | 2025-04-20 16:30 | 2025-04-21 7:56 | MySQL Server: Optimizer | Verified (85 days) | S2 | 9.0, 8.0, 9.3.0, 8.4.5, 8.0.42 | Any | Any | Wrong Right Join with a subquery containing distinct and wrong NULL-value expression optimization |
| 118018 | 2025-04-20 13:49 | 2025-05-19 14:53 | MySQL Server: Optimizer | Verified (57 days) | S1 | 9.2.0, 9.3.0 | Ubuntu (22.04) | Any | A query expose a logic bug and performance bug |
| 118017 | 2025-04-20 10:59 | 2025-05-19 14:53 | MySQL Server: Optimizer | Verified (57 days) | S5 | 9.2.0, 9.3.0 | Ubuntu (22.04) | Any | A very serious performance bug |
| 118016 | 2025-04-20 10:34 | 2025-04-21 12:52 | MySQL Server: Optimizer | Verified (86 days) | S2 | 9.3, 9.0, 8.0, 8.0.42 | Any | Any | Wrong inner join result involving subquery containing distinct |
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