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Re: Calculation of unused columns

From: Simon Riggs <simon(at)2ndQuadrant(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Volker Grabsch <vog(at)notjusthosting(dot)com>, pgsql-performance(at)postgresql(dot)org
Subject: Re: Calculation of unused columns
Date: 2009-10-19 18:09:27
Message-ID: 1255975767.492.45.camel@ebony (view raw or flat)
Thread:
Lists: pgsql-performance
On Mon, 2009-10-19 at 13:58 -0400, Tom Lane wrote:
> 
> Most read-only functions are stable or even immutable.

Huh? I mean a function that only contains SELECTs. (How would those ever
be Stable or Immutable??)

-- 
 Simon Riggs           www.2ndQuadrant.com


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