Re: Problems with CREATE AGGREGATE and user defined state type.

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Magnus Jonsson <bigfoot(at)acc(dot)umu(dot)se>
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: Re: Problems with CREATE AGGREGATE and user defined state type.
Date: 2006-03-21 16:29:56
Message-ID: 17525.1142958596@sss.pgh.pa.us
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Magnus Jonsson <bigfoot(at)acc(dot)umu(dot)se> writes:
> I discoverd what seems to be a bug in postgresql 7.4.12 (also on
> 7.4.7).

AFAIR, 7.4 and earlier didn't really have a sane way of representing
NULL composite-type values, so this aggregate isn't going to work
before 8.0.

regards, tom lane

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