Re: Very strange query difference between 7.3.6 and 7.4.6

"Joshua D. Drake" <jd@commandprompt.com> writes:
> O.k. I got 7.3.9 to operate as expected on FC2 (64bit) and these are my 
> results:

> enable_hashagg on:

>  HashAggregate  (cost=80.00..82.50 rows=1000 width=404) (actual 
> time=209.746..209.750 rows=1 loops=1)

You got confused somewhere along the line, because 7.3 doesn't have
hash aggregation ...
        regards, tom lane