Bug #93523 | Implement exists-to-in correlated subquery optimization | ||
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Submitted: | 7 Dec 2018 19:45 | Modified: | 14 Dec 2018 16:25 |
Reporter: | Geoff Montee | Email Updates: | |
Status: | Closed | Impact on me: | |
Category: | MySQL Server: Optimizer | Severity: | S4 (Feature request) |
Version: | 5.6,5.7,8.0 | OS: | Any |
Assigned to: | CPU Architecture: | Any | |
Tags: | exists, IN, optimization, Optimizer, optimizer_switch, performance, semi-join, subquery |
[7 Dec 2018 19:45]
Geoff Montee
[14 Dec 2018 16:25]
MySQL Verification Team
Hi, Thank you for your report. Your feature request is well intended ....... However, WorkLog # 4389 has already being pushed into 8.0.15. This WorkLog entry covers some optimisations and some switches, which are completely covering the feature that you have asked for in this report. Thank you.