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| ID# | Date | Updated | Type | Status | Sev | Version | OS | CPU | Summary |
|---|---|---|---|---|---|---|---|---|---|
| 117485 | 2025-02-17 7:04 | 2025-02-17 7:53 | MySQL Server: Optimizer | Verified (298 days) | S2 | 9.1.0, 8.0.41, 8.4.4 | Ubuntu (22.04) | x86 | Incorrect Semi-join Execution |
| 117486 | 2025-02-17 8:04 | 2025-02-17 22:40 | MySQL Server: Optimizer | Verified (298 days) | S2 | 9.1.0, 8.0.41 | Ubuntu (22.04) | x86 | Incorrect Semi-join Execution |
| 117493 | 2025-02-17 15:41 | 2025-02-17 15:54 | MySQL Server: Optimizer | Can't repeat (298 days) | S3 | 9.1.0 | Ubuntu (22.04) | x86 | Anti-join incorrectly handles ASCII control characters |
| 117527 | 2025-02-20 7:44 | 2025-02-20 12:23 | MySQL Server | Not a Bug (295 days) | S3 | 9.2.0, 9.1.0 | Ubuntu (22.04) | x86 | Left-join produce wrong result |
| 117529 | 2025-02-20 8:54 | 2025-02-20 12:18 | MySQL Server: Optimizer | Not a Bug (295 days) | S3 | 9.2.0, 9.1.0 | Ubuntu (22.04) | x86 | Both right-join and inner-join produce wrong result |
| 117534 | 2025-02-20 14:39 | 2025-02-21 11:36 | MySQL Server: Optimizer | Verified (294 days) | S3 | 8.0 | Any | Any | Create index can lead to incorrect results |
| 117572 | 2025-02-26 2:37 | 2025-02-26 6:36 | MySQL Server: Optimizer | Verified (289 days) | S2 | 8.0.41 | Ubuntu (22.04) | x86 | The same query yields different results across different versions |
| 117573 | 2025-02-26 4:47 | 2025-03-21 7:12 | MySQL Server: Optimizer | Verified (266 days) | S2 | 9.2.0, 8.0.41, 8.4.4 | Ubuntu (22.04) | x86 | Equivalent inner-join queries return different results |
| 117648 | 2025-03-09 14:15 | 2025-03-10 7:19 | MySQL Server: Optimizer | Verified (277 days) | S2 | 9.2.0, 9.1.0, 8.0.41, 8.4.4, | Ubuntu (22.04) | Any | Equivalent straight-join queries with different join orders return different results. |
| 117651 | 2025-03-09 15:43 | 2025-03-10 6:50 | MySQL Server: Optimizer | Verified (277 days) | S2 | 9.2.0, 9.1.0, 8.0.41, 8.4.4 | Ubuntu (22.04) | Any | STRAIGHT_JOIN produces inconsistent results when comparing text values |
| 117667 | 2025-03-11 12:57 | 2025-03-11 22:03 | MySQL Server: Optimizer | Not a Bug (276 days) | S2 | 9.2.0, 9.1.0, 8.0.41, 8.4.4 | Ubuntu (22.04) | Any | Both INNER JOIN and SEMI JOIN are contradictory |
| 117911 | 2025-04-08 12:06 | 2025-04-08 14:45 | MySQL Server: Optimizer | Verified (248 days) | S2 | 9.2.0 | Ubuntu (22.04) | Any | INTERSECT operation return wrong result |
| 117926 | 2025-04-09 19:08 | 2025-04-11 21:03 | MySQL Server: Optimizer | Not a Bug (245 days) | S2 | 8.0.41, 9.2.0, 8.4.4 | Ubuntu (22.04) | Any | INTERSECT may incorrectly eliminate duplicate |
| 117930 | 2025-04-10 8:29 | 2025-04-11 16:53 | MySQL Server: Optimizer | Not a Bug (245 days) | S2 | 9.2.0, 8.4.4, 8.0.41 | Ubuntu (22.04) | Any | INTERSECT operation fails on INT ZEROFILL column type. |
| 117945 | 2025-04-11 11:10 | 2025-04-11 12:23 | MySQL Server: Optimizer | Verified (245 days) | S2 | 9.2.0 | Ubuntu (22.04) | Any | UNION operation may return wrong result[ |
| 117959 | 2025-04-13 0:31 | 2025-04-13 16:37 | MySQL Server: Optimizer | Verified (243 days) | S2 | 9.2.0 | Ubuntu (22.04) | Any | PRIMARY KEY leads to incorrect INTERSECT result |
| 118015 | 2025-04-20 7:18 | 2025-08-12 4:13 | MySQL Server: Optimizer | Verified (207 days) | S5 | 9.2.0, 9.3.0 | Ubuntu (22.04) | Any | The query which always return a empty result should not comsume executing time |
| 118017 | 2025-04-20 10:59 | 2025-08-12 4:13 | MySQL Server: Optimizer | Verified (207 days) | S5 | 9.2.0, 9.3.0 | Ubuntu (22.04) | Any | A very serious performance bug |
| 118018 | 2025-04-20 13:49 | 2025-08-12 4:14 | MySQL Server: Optimizer | Verified (207 days) | S1 | 9.2.0, 9.3.0 | Ubuntu (22.04) | Any | A query expose a logic bug and performance bug |
| 118020 | 2025-04-20 23:23 | 2025-08-12 4:14 | MySQL Server: Optimizer | Verified (207 days) | S1 | 9.2.0, 9.3.0 | Any (22.04) | Any | A critical logic bug and performance bug |
| 118195 | 2025-05-14 13:34 | 2025-05-20 8:23 | MySQL Server: Optimizer | Not a Bug (206 days) | S2 | 9.3.0 | Ubuntu (22.04) | Any | The opposite WHERE clause intersects and is always an empty set. |
| 118196 | 2025-05-14 13:42 | 2025-12-07 20:45 | MySQL Server: Optimizer | Duplicate (207 days) | S2 | 9.3.0 | Ubuntu (22.04) | Any | The opposite HAVING clause intersects and is always an empty set. |
| 118197 | 2025-05-14 13:50 | 2025-12-07 20:45 | MySQL Server: Optimizer | Duplicate (207 days) | S3 | 9.3.0 | Ubuntu (22.04) | Any | The opposite ON clause intersects and is always an empty set. |
| 118198 | 2025-05-14 14:16 | 2025-05-19 22:49 | MySQL Server: Optimizer | Verified (207 days) | S2 | 9.3.0 | Ubuntu (22.04) | Any | Different intersection orders lead to more than 20,000 times performance gap |
| 118239 | 2025-05-21 13:05 | 2025-05-29 13:12 | MySQL Server: DML | Verified (197 days) | S3 | 9.3.0 | Ubuntu (22.04) | Any | Logical Inconsistency in MySQL String Comparison with LIKE and NOT LIKE Operators |
| 118264 | 2025-05-25 15:04 | 2025-08-13 11:05 | MySQL Server: Optimizer | Verified (128 days) | S5 | 9.3.0 | Ubuntu | Any | Performance bug in SEMI JOIN with empty tables |
| 119028 | 2025-09-18 0:20 | 2025-09-22 14:33 | MySQL Server: Optimizer | Verified (84 days) | S5 | 9.4.0 | Any | Any | two missed optimization oppotunities of "FALSE and any_expr" |
| 119029 | 2025-09-18 0:40 | 2025-09-22 14:34 | MySQL Server: Optimizer | Verified (84 days) | S5 | 9.4.0 | Any | Any | Two missed optimization opportunities of "TRUE OR any_expr" |
| 119030 | 2025-09-18 5:07 | 2025-09-23 11:56 | MySQL Server: Optimizer | Can't repeat (80 days) | S5 | 9.4.0 | Ubuntu (22.04) | Any | Significant performance regression of INTERSECT operation in MySQL 9.4.0 |
| 119062 | 2025-09-23 11:08 | 2025-09-25 16:09 | MySQL Server: Optimizer | Verified (80 days) | S5 | 9.4.0 | Any | Any | A missed optimization opportunity of "FALSE and any_expr" in WHERE clause |
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