Re: Minor point about contrib/xml2 functions "IMMUTABLE" marking

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
Cc: Neil Conway <neilc(at)samurai(dot)com>, John Gray <jgray(at)azuli(dot)co(dot)uk>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: Minor point about contrib/xml2 functions "IMMUTABLE" marking
Date: 2005-10-13 16:03:46
Message-ID: 22923.1129219426@sss.pgh.pa.us
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Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> writes:
> Well, should be marked as VOLATILE? A web lookup?

Yes. Its value is determined by factors outside the database, so
it has to be categorized as volatile.

regards, tom lane

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