Re: Feature request: limited deletions

From: Ian Barwick <barwick(at)gmail(dot)com>
To: Thom Brown <thombrown(at)gmail(dot)com>
Cc: pgadmin-hackers <pgadmin-hackers(at)postgresql(dot)org>
Subject: Re: Feature request: limited deletions
Date: 2010-04-08 10:55:30
Message-ID: o2h1d581afe1004080355i58f97865v5cf3c46d9b133208@mail.gmail.com
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgadmin-hackers pgsql-hackers

2010/4/8 Thom Brown <thombrown(at)gmail(dot)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

In response to

Responses

Browse pgadmin-hackers by date

  From Date Subject
Next Message Thom Brown 2010-04-08 11:05:11 Re: Feature request: limited deletions
Previous Message Thom Brown 2010-04-08 10:06:18 Feature request: limited deletions

Browse pgsql-hackers by date

  From Date Subject
Next Message Robert Haas 2010-04-08 10:57:16 Re: A maze of twisty mailing lists all the same
Previous Message Heikki Linnakangas 2010-04-08 10:33:31 Re: Hot Standby: Startup at shutdown checkpoint