Re: [HACKERS] having bug report

Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> writes:
> Any comments on that status of this one?

Those particular cases are fixed, I think, but there are still severe
problems with VIEWs that use grouping or aggregates. I doubt we can
improve the VIEW situation much more without subselects-in-FROM.

regards, tom lane

>> * subqueries containing HAVING return incorrect results
>>
>> select istat from comuni where istat in (
>> select istat from comuni group by istat having count(istat) > 1
>> );
>> ERROR: rewrite: aggregate column of view must be at rigth side in qual
>>
>> select istat from comuni where istat in (
>> select istat from comuni group by istat having 1 < count(istat)
>> );
>> ERROR: pull_var_clause: Cannot handle node type 108