Re: DELETE with JOIN

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От felix@crowfix.com
Тема Re: DELETE with JOIN
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Msg-id 20080807183757.GB31356@crowfix.com
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Ответ на Re: DELETE with JOIN  (Steve Midgley <public@misuse.org>)
Ответы Re: DELETE with JOIN  (Frank Bax <fbax@sympatico.ca>)
Список pgsql-sql
On Thu, Aug 07, 2008 at 10:40:22AM -0700, Steve Midgley wrote:

> Have you tried something where you read in all those "IN id's" and then 
> group them into blocks (of say 1,000 or 10,000 or whatever number works 
> best)? Then execute:
>
> DELETE FROM a WHERE a.b_id in ([static_list_of_ids])

It may come to something like that, but I figure handing over hubdreds
of static IDs is probably worse for the planner than an expression,
and it's ugly as sin :-)

I tried using "%" for a mod function, but that seems to not be a
universally recognized operator.

--            ... _._. ._ ._. . _._. ._. ___ .__ ._. . .__. ._ .. ._.    Felix Finch: scarecrow repairman & rocket
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I've found a solution to Fermat's Last Theorem but I see I've run out of room o


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