Re: BUG #6325: Useless Index updates

On Sun, Dec 04, 2011 at 12:54:25PM +0000, dmigowski@ikoffice.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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