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Re: sub-select with aggregate

From: "Tomasz Myrta" <jasiek(at)klaster(dot)net>
To: Stephan Szabo <sszabo(at)megazone23(dot)bigpanda(dot)com>,Tomasz Myrta <jasiek(at)klaster(dot)net>
Cc: <pgsql-sql(at)postgresql(dot)org>
Subject: Re: sub-select with aggregate
Date: 2002-10-23 08:44:45
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-sql
> On Wed, 23 Oct 2002, Tomasz Myrta wrote:
> > Uz.ytkownik Stephan Szabo napisa?:
> Without group_id in the select list you couldn't do a where
> group_id = <something> if the select was a view.
I know - it was just example of query.

> Did you see the other two queries I gave?  On 7.3, both of those queries
> appear (according to explain output) to do the limiting of group_id
> inside the subquery rather than doing the subquery with all rows.
> The explanation above was why I believe it was different from your
> original query.
I saw them. So should I wait for 7.3? Currently I have 7.2 and my work 
stopped because of this.
Tomasz Myrta

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