Trigger function cost

From: Glyn Astill <glynastill(at)yahoo(dot)co(dot)uk>
To: pgsql-general(at)postgresql(dot)org
Subject: Trigger function cost
Date: 2009-04-09 11:27:46
Message-ID: 326167.74989.qm@web23602.mail.ird.yahoo.com
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Hi Chaps,

Can anyone point me to docs for trigger function estimated cost?

I see that when I create a volatile plpgsql trigger function it gets given a cost of 100 and a c function gets given a cost of 1.

Is there any reason to mess with this?

Thanks
Glyn

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