Re: Slow Bulk Delete - Mailing list pgsql-performance

From Grzegorz Jaśkiewicz
Subject Re: Slow Bulk Delete
Date
Msg-id AANLkTik2VPw7vSFvNZHAu8_TAXExqiTkhH4n4ylBvzlA@mail.gmail.com
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In response to Re: Slow Bulk Delete  (Jon Nelson <jnelson+pgsql@jamponi.net>)
List pgsql-performance
On Mon, May 17, 2010 at 12:54 PM, Jon Nelson <jnelson+pgsql@jamponi.net> wrote:
> On Mon, May 17, 2010 at 5:10 AM, Pierre C <lists@peufeu.com> wrote:
>> - or use a JOIN delete with a virtual VALUES table
>> - or fill a temp table with ids and use a JOIN DELETE
>
> What is a virtual VALUES table? Can you give me an example of using a
> virtual table with selects, joins, and also deletes?
>

I think he refers to the way you pass values in insert, and alike:
INSERT INTO foo(a,b)      VALUES(1,2), (2,3), (3,4);

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