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| ID# | Date | Updated | Type | Status | Sev | Version | OS | CPU | Summary |
|---|---|---|---|---|---|---|---|---|---|
| 120734 | 2026-06-20 14:02 | 2026-06-20 14:02 | MySQL Server: Optimizer | Open | S1 | MySQL 9.6 | Any | Any | Constant Table Optimization Ignores WHERE Condition for MAX(DISTINCT), Returning Incorrect Non-NULL Value |
| 120733 | 2026-06-20 13:38 | 2026-06-20 13:38 | MySQL Server: Optimizer | Open | S1 | MySQL 9.6 | Any | Any | DISTINCTROW with ROW_NUMBER() Derived Table and GROUP BY Causes Duplicate Removal Key to Miss a Non‑Aggregate Column, Me |
| 120732 | 2026-06-20 13:22 | 2026-06-20 13:22 | MySQL Server: Optimizer | Open | S3 | MySQL 9.6 | Any (Storage Engine: InnoDB) | Any | Derived Table Merging Causes Incorrect Duplicate Removal with DISTINCT + GROUP BY + SUM(DISTINCT EXISTS(subquery)) |
| 120717 | 2026-06-17 13:33 | 2026-06-17 13:33 | MySQL Server: Compiling | Open | S3 | 9.7.0 | MacOS (26.5.1) | ARM | Build fails under macOS with LLVM 18 |
| 120716 | 2026-06-17 12:31 | 2026-06-17 12:53 | MySQL Server: Optimizer | Verified (4 days) | S1 | 8.0.45 | Any (Storage Engine: MEMORY) | Any | MEMORY Engine Empty Outer Join Derived Table Causes Incorrect Aggregate Result (Should Be NULL) |
| 120715 | 2026-06-17 8:28 | 2026-06-18 2:12 | MySQL Server: InnoDB storage engine | Open (3 days) | S2 | 9.7.0 | Any | Any | Unexpected deadlock when one of the two transactions does not acquire any locks |
| 120713 | 2026-06-17 7:11 | 2026-06-17 14:41 | MySQL Server | Open | S5 | 8.0.24, 8.0.33 | Any | Any | Optimizer incorrectly prefers ordering index over selective index for ORDER BY … LIMIT 1 |
| 120712 | 2026-06-17 6:44 | 2026-06-17 6:44 | MySQL Server: Optimizer | Open | S3 | 9.7.0 | Any | Any | Inconsistent EXPLAIN row estimation |
| 120706 | 2026-06-16 21:12 | 2026-06-16 21:12 | MySQL Server: Stored Routines | Open | S2 | 8.4.10 | Any | Any | Crash in stored procedure: changing group_concat_max_len between calls reprepares EXISTS subquery and crashes in Item_su |
| 120698 | 2026-06-16 3:17 | 2026-06-16 14:22 | MySQL Server: InnoDB storage engine | Open (5 days) | S1 | 8.0.44 | Any | Any | Contribution by Tencent: Compressed pages' records may out of order when using change buffer |
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