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Re: disabling an index without deleting it?


  • From: "Joshua D. Drake" <jd(at)commandprompt(dot)com>
  • To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
  • Cc: "Scott Marlowe" <scott(dot)marlowe(at)gmail(dot)com>, "Peter Koczan" <pjkoczan(at)gmail(dot)com>, pgsql-performance <pgsql-performance(at)postgresql(dot)org>
  • Subject: Re: disabling an index without deleting it?
  • Date: Tue, 26 Feb 2008 14:37:38 -0800
  • Message-id: <20080226143738.05d2cb78@commandprompt.com> <text/plain>

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On Tue, 26 Feb 2008 17:22:40 -0500
Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:

> "Joshua D. Drake" <jd(at)commandprompt(dot)com> writes:
> > "Scott Marlowe" <scott(dot)marlowe(at)gmail(dot)com> wrote:
> >> begin;
> >> drop index abc_dx;
> >> select ....
> >> rollback;
> >> 
> >> and viola, your index is still there.  note that there are likely
> >> some locking issues with this, so be careful with it in
> >> production.  But on a test box it's a very easy way to test
> >> various indexes.
> 
> > Wouldn't you also bloat the index?
> 
> No, what makes you think that? 

Well now that I am obviously wrong :P. I was thinking about it from the:

BEGIN;
DELETE FROM
ROLLBACK;

Perspective.

Sincerely,

Joshua D. Drake



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