| From: | hubert depesz lubaczewski <depesz(at)depesz(dot)com> |
|---|---|
| To: | dmigowski(at)ikoffice(dot)de |
| Cc: | pgsql-bugs(at)postgresql(dot)org |
| Subject: | Re: BUG #6325: Useless Index updates |
| Date: | 2011-12-04 20:07:21 |
| Message-ID: | 20111204200720.GA18582@depesz.com |
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| Lists: | pgsql-bugs pgsql-general |
On Sun, Dec 04, 2011 at 12:54:25PM +0000, dmigowski(at)ikoffice(dot)de wrote:
> It seems that an update to a row in a table always removes the element from
> an index and adds it again. Wouldn't it be faster to check for equality of
> the index parameters in the OLD and NEW record first?
http://www.depesz.com/index.php/2008/11/05/waiting-for-84-suppress_redundant_updates_trigger/
Best regards,
depesz
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