| Bug #21849 | select count distinct has rotten performance on at least versions 4&5 of mysql. | ||
|---|---|---|---|
| Submitted: | 26 Aug 2006 10:07 | Modified: | 7 Apr 2010 14:54 |
| Reporter: | Galt Barber | Email Updates: | |
| Status: | Closed | Impact on me: | |
| Category: | MySQL Server: Optimizer | Severity: | S5 (Performance) |
| Version: | 5.0.32-BK, 4 and 5, 5.1.42-bzr | OS: | Linux (linux) |
| Assigned to: | Georgi Kodinov | CPU Architecture: | Any |
| Tags: | count, distinct, SELECT | ||
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