Re: Long-running DELETE

From: Jeff Boes <jboes(at)nexcerpt(dot)com>
To: Stephan Szabo <sszabo(at)megazone23(dot)bigpanda(dot)com>
Cc: pgsql-sql(at)postgresql(dot)org
Subject: Re: Long-running DELETE
Date: 2002-01-16 13:38:28
Message-ID: 20020116083828.2b323ec7.jboes@nexcerpt.com
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On Tue, 15 Jan 2002 21:13:49 -0800 (PST)
Stephan Szabo <sszabo(at)megazone23(dot)bigpanda(dot)com> wrote:

>
> On 15 Jan 2002, Jeff Boes wrote:
>
> > update pg_triggers set tgenabled=false;
>
> I don't think tgenabled works. You'll probably need to set reltriggers to
> 0 on the pg_class row for the table (and then reset it to the correct
> value afterwards).
>

I can't confirm that one, but I did find that things got a lot faster
when I also did

update pg_trigger
set tgenabled=false,
tgdeferrable=true,
tginitdeferred=true

for each of the associated triggers.

--
Jeff Boes vox 616.226.9550
Database Engineer fax 616.349.9076
Nexcerpt, Inc. jboes(at)nexcerpt(dot)com

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