Re: [pgadmin-hackers] Feature request: limited deletions - Mailing list pgsql-hackers

From Thom Brown
Subject Re: [pgadmin-hackers] Feature request: limited deletions
Date
Msg-id i2ibddc86151004080405vbdbe49c1t4dd9b5cf55ed5bc4@mail.gmail.com
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Responses Re: [pgadmin-hackers] Feature request: limited deletions
List pgsql-hackers
On 8 April 2010 11:55, Ian Barwick <barwick@gmail.com> wrote:
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

Erm... my mistake, I thought this was on the generic hackers list.  Moving it over in this reply.

Thom

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