Re: sub-select with aggregate
От | Tomasz Myrta |
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Тема | Re: sub-select with aggregate |
Дата | |
Msg-id | 20021023174445.M37904@klaster.net обсуждение исходный текст |
Ответ на | Re: sub-select with aggregate (Stephan Szabo <sszabo@megazone23.bigpanda.com>) |
Ответы |
Re: sub-select with aggregate
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Список | 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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