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| ID# | Date | Updated | Type | Status | Sev | Version | OS | CPU | Summary |
|---|---|---|---|---|---|---|---|---|---|
| 121141 | 2026-08-20 1:50 | 2026-08-20 5:26 | MySQL Server: Optimizer | Verified (5 days) | S1 | 8.0.46, 8.4.11, 9.7.2 | Any | Any | group skip scan for deduplication collapses each group to one row before a semijoin/antijoin condition on a later index |
| 121157 | 2026-08-23 6:37 | 2026-08-25 9:36 | MySQL Server: Optimizer | Verified | S1 | 8.0.46, 8.4.11, 9.7.2 | Any | Any | Timezone-dependent generated column breaks UNIQUE and makes table unrestorable |
| 121018 | 2026-07-28 5:43 | 2026-07-29 6:07 | MySQL Server: Optimizer | Verified (27 days) | S2 | 9.7.1 | MacOS | ARM | subquery_to_derived produces wrong EXISTS/NOT EXISTS results with LIMIT (silent corruption) |
| 121019 | 2026-07-28 6:04 | 2026-08-10 5:53 | MySQL Server: Optimizer | Verified (15 days) | S2 | 8.0.46, 8.4.10, 9.7.1 | MacOS | ARM | subquery_to_derived + semijoin=off produces wrong WHERE-clause EXISTS results with LIMIT (dual boundary interaction, sil |
| 121020 | 2026-07-28 6:11 | 2026-07-29 9:47 | MySQL Server: Optimizer | Verified (27 days) | S2 | 9.7.1 | MacOS | ARM | subquery_to_derived transforms LIMIT 1 into MIN aggregate when subquery is inside derived table (= fast-path context fai |
| 121022 | 2026-07-28 13:01 | 2026-08-10 1:19 | MySQL Server: Installing | Verified (15 days) | S2 | 26.7.0 | MacOS (26.6) | ARM ((Apple Silicon)) | No MySQL PreferencePane in macOS installer package |
| 121026 | 2026-07-29 3:26 | 2026-07-31 11:37 | MySQL Server: Optimizer | Verified (25 days) | S2 | 8.0.42, 8.0.46, 8.4.9, 9.7.2 | Any (official mysql Docker images, linux/arm64 and linux/amd64) | Any | Semijoin duplicate-weedout missing from plan: EXISTS + NOT EXISTS returns duplicate rows |
| 121028 | 2026-07-29 6:09 | 2026-07-31 11:49 | MySQL Server: Optimizer | Verified (25 days) | S2 | 9.7.1 | MacOS | ARM | Cardinality Check Granularity Error in subquery_to_derived |
| 121030 | 2026-07-29 21:55 | 2026-07-31 7:56 | MySQL Server: Data Dictionary | Verified (25 days) | S2 | 8.0.42+ and 8.4.5+ | Any | Any | Upgrade fails with MY-013135 on tables with CHECK constraints/generated columns/partitions |
| 121040 | 2026-07-30 9:06 | 2026-08-03 8:00 | MySQL Server: Optimizer | Verified (22 days) | S2 | 8.0.46, 8.4.10, 9.7.1 | MacOS | ARM | derived condition pushdown across a set operation ignores collation equality, breaking predicate monotonicity (default) |
| 121079 | 2026-08-12 12:49 | 2026-08-12 17:31 | MySQL Server: Optimizer | Verified (13 days) | S2 | 8.4.9 | Linux | Any | Wrong result: quantified comparison subquery (>= ALL etc.) evaluates FALSE under double negation |
| 121091 | 2026-08-13 14:00 | 2026-08-14 11:08 | MySQL Server: Optimizer | Verified (11 days) | S2 | 8.0.46, 8.4.11, 9.7.2 | Any | Any | Wrapping a SET column in VIEW/CTE changes `HAVING MAX(set_col) > numeric_literal` semantics |
| 121102 | 2026-08-17 1:29 | 2026-08-21 14:11 | MySQL Server: InnoDB storage engine | Verified (4 days) | S2 | 8.0.46,8.4.11,9.7.2, 26.10.0 | Any | Any | INPLACE rebuild may corrupt long-prefix secondary indexes |
| 121149 | 2026-08-21 13:17 | 2026-08-21 20:37 | MySQL Server: Optimizer | Verified (4 days) | S2 | 9.7.1 | Any | Any | MySQL temporal implicit conversion changes `TIMEDIFF` predicate results after materialization |
| Showing all 14 (Edit, Save, CSV, Feed) |
