On Tue, 2006-02-14 at 11:36, Tom Lane wrote: > martial.bizel@xxxxxxx writes: > > Yes, I've launched ANALYZE command before sending request. > > I precise that's postgres version is 7.3.4 > > Can't possibly be 7.3.4, that version didn't have HashAggregate. > > How many distinct values of "query" actually exist in the table? I thought that looked odd.