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Re: Minor point about contrib/xml2 functions "IMMUTABLE" marking - Mailing list pgsql-hackers

From Tom Lane
Subject Re: Minor point about contrib/xml2 functions "IMMUTABLE" marking
Date
Msg-id 22923.1129219426@sss.pgh.pa.us
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In response to Minor point about contrib/xml2 functions "IMMUTABLE" marking  (John Gray <jgray@azuli.co.uk>)
Responses Re: Minor point about contrib/xml2 functions "IMMUTABLE" marking
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Bruce Momjian <pgman@candle.pha.pa.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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