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Re: A question of volatility
- From: Michael Glaesemann <grzm(at)seespotcode(dot)net>
- To: Dean Rasheed <dean_rasheed(at)hotmail(dot)com>
- Cc: <pgsql-novice(at)postgresql(dot)org>
- Subject: Re: A question of volatility
- Date: Sat, 24 Nov 2007 09:20:02 -0500
On Nov 24, 2007, at 8:00 , Dean Rasheed wrote:
If I have a couple of STABLE functions f1() and f2(), and then I write a third function f3() which does nothing other than call f1() and f2(), is it safe to mark f(3) as IMMUTABLE?
No. Why would calling two STABLE functions be IMMUTABLE? If it's going to be anything other than STABLE, it would be VOLATILE.
Michael Glaesemann grzm seespotcode net
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