Bug #59557 MySQL uses order of fields in GROUP BY when ORDER BY NULL is specified
Submitted: 17 Jan 2011 15:26 Modified: 17 Jan 2011 16:03
Reporter: Shlomo Priymak Email Updates:
Status: Verified Impact on me:
Category:MySQL Server: Optimizer Severity:S2 (Serious)
Version:5.1, 5.5 OS:Any
Assigned to: CPU Architecture:Any
Tags: GROUP BY, order by, performance
Triage: Triaged: D2 (Serious)

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