Re: Cursor with hold for select takes too long

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От Tom Lane
Тема Re: Cursor with hold for select takes too long
Дата
Msg-id 986896.1711130253@sss.pgh.pa.us
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Ответ на Re: Cursor with hold for select takes too long  (Bindra Bambharoliya <bindra.bambharoliya@gmail.com>)
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Bindra Bambharoliya <bindra.bambharoliya@gmail.com> writes:
> Query is like
> Select a.id, sum(b.amount),
> Count(c.am_id) ... from fact.a join fact.b on a.id= b.id join
> Fact.vw_c on a.ida=vw_c.ida group by a.id;

Is the query plan the same for cursor execution as regular?
Compare EXPLAIN SELECT ... versus EXPLAIN DECLARE x CURSOR FOR SELECT ...

(I'm not sure that WITH HOLD would make a difference, so
maybe compare with and without that, too.)

            regards, tom lane



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