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| ID# | Date | Updated | Type | Status | Sev | Version | OS | CPU | Summary |
|---|---|---|---|---|---|---|---|---|---|
| 49200 | 2009-11-30 10:19 | 2018-09-09 20:45 | MySQL Server: Optimizer | Verified (5828 days) | S3 | 6.0 | Any | Any | Select_type in explain output incorrect for semijoin queries |
| 82725 | 2016-08-25 15:55 | 2016-09-14 6:28 | MySQL Server: Optimizer | Verified (3348 days) | S5 | 5.7.14, 5.7.15 | CentOS (Linux rda-db-rep.ucar.edu 3.10.0-327.28.2.el7.x86_64 #1 SMP Wed Aug 3 11:11:39 UTC 2016 x86_64 x86_6) | Any | Extremely slow query when optimizer_switch='derived_merge=ON' |
| 115353 | 2024-06-17 7:22 | 2024-10-14 15:29 | MySQL Server: Optimizer | Verified (515 days) | S2 | 8.0.37, 8.4.0 LTS | Any | Any | Setting index_merge_union leads to incorrect results. |
| 118871 | 2025-08-21 2:37 | 2025-08-29 11:12 | MySQL Server: Optimizer | Verified (81 days) | S3 | 8.0.43 MySQL Community Server - GPL | Linux (Linux (Rocky Linux release 8.8 (Green Obsidian))) | Any | Constant conditions in SQL with derived views are not passed.new |
| 55893 | 2010-08-10 20:08 | 2018-09-09 20:45 | MySQL Server: Options | Verified (5575 days) | S3 | mysql-next-mr-opt-backporting | Any | Any | optimizer_switch should report which variable it can not process |
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