Re: [SQL] Finding the "most recent" rows

Chris Bitmead <chris(dot)bitmead(at)bigfoot(dot)com> writes:
>>>>>>> select title, summary, time from story t where time = (select
>>>>>>> max(s.time) from story s GROUP BY s.title);
>>
>>>> Why doesn't replacing "=" with "IN" produce a result? It wouldn't be the
>>>> desired result, but I thought this was legal.
>>
>> I thought so too (on both counts). Are you saying it doesn't work?
>> What happens? Which version are you using?

> httpd=> select title, summary, time from story t where time IN (select
> max(s.time) from story s GROUP BY s.title);
> ERROR: parser: Subselect has too many or too few fields.

> I'm using postgresql-snap-990329.tgz

Yeah, I see it too. This looks like a definite bug to me, but I have
other bugs to squash right now :-(. Anyone else want to jump on this?

regards, tom lane