Re: Speeding up 'bulk' delete (and/or seeing what is going on while the delete is being processed)

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От Tom Lane
Тема Re: Speeding up 'bulk' delete (and/or seeing what is going on while the delete is being processed)
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Msg-id 20904.1251397138@sss.pgh.pa.us
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Ответ на Re: Speeding up 'bulk' delete (and/or seeing what is going on while the delete is being processed)  (Steve T <steve@retsol.co.uk>)
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Steve T <steve@retsol.co.uk> writes:
> PS Is there a reason that PostgreSql doesn't automatically create the
> foreign key indexes?

Sometimes you don't need/want them, or they might already exist because
of other constraints you made.  It is a bit of a gotcha for newbies,
but we've concluded that forcing such indexes to be made would be a
net loss.

            regards, tom lane

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