| Bug #71804 | Unnecessary filesort when joining on unique column using group by. | ||
|---|---|---|---|
| Submitted: | 22 Feb 2014 22:29 | Modified: | 20 Oct 2014 8:53 |
| Reporter: | Jan Filipiak | Email Updates: | |
| Status: | Verified | Impact on me: | |
| Category: | MySQL Server: Optimizer | Severity: | S5 (Performance) |
| Version: | 5.6.6 m9, 5.5.32, 5.1.61 | OS: | Any (sqlfiddle.com) |
| Assigned to: | Assigned Account | CPU Architecture: | Any |
- View
- Add Comment
- Files
- Developer
- Edit Submission
- View Progress Log
- Contributions
To submit contributions, please log in.
