Re: Feature request: limited deletions

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От Ian Barwick
Тема Re: Feature request: limited deletions
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Msg-id o2h1d581afe1004080355i58f97865v5cf3c46d9b133208@mail.gmail.com
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Ответ на Feature request: limited deletions  (Thom Brown <thombrown@gmail.com>)
Ответы Re: Feature request: limited deletions  (Thom Brown <thombrown@gmail.com>)
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2010/4/8 Thom Brown <thombrown@gmail.com>:
> I couldn't find any discussion on this, but the request is quite
> straightforward.  Implement a LIMIT on DELETE statements like SELECT
> statements.
>
> So you could write:
>
> DELETE FROM massive_table WHERE id < 40000000 LIMIT 10000;
>
> This would allow deletions in smaller batches rather than waiting
> potentially hours for the server to mark all those rows as deleted and
> commit it as one massive transaction.

Is this a PgAdmin-specific question? If it is, apologies I am missing
the context.

If not, this is totally the wrong list, but why not use a subquery to
control what is deleted?


Ian Barwick

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