Bug #73973 | repeat() wastes cpu time on large input values that gaurantee empty result | ||
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Submitted: | 18 Sep 2014 20:50 | Modified: | 4 Nov 2014 15:29 |
Reporter: | Shane Bester (Platinum Quality Contributor) | Email Updates: | |
Status: | Closed | Impact on me: | |
Category: | MySQL Server: Data Types | Severity: | S5 (Performance) |
Version: | 5.7.6 | OS: | Any |
Assigned to: | CPU Architecture: | Any | |
Tags: | repeat |
[18 Sep 2014 20:50]
Shane Bester
[3 Oct 2014 12:22]
Catalin Besleaga
Posted by developer: Ran the tests with mark-progress and noticed that the some of the queries take less time than before.
[4 Nov 2014 15:29]
Paul DuBois
Noted in 5.7.6 changelog. REPEAT() wasted time concatenating empty strings.