Re: BUG #5025: Aggregate function with subquery in 8.3 and 8.4.

From: Merlin Moncure <mmoncure(at)gmail(dot)com>
To: Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com>
Cc: "Sheng Y(dot) Cheng" <scheng(at)adconion(dot)com>, pgsql-bugs(at)postgresql(dot)org
Subject: Re: BUG #5025: Aggregate function with subquery in 8.3 and 8.4.
Date: 2009-09-01 16:39:50
Message-ID: b42b73150909010939t4a27cae0s934f7b7a0805229e@mail.gmail.com
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On Tue, Sep 1, 2009 at 4:11 AM, Heikki
Linnakangas<heikki(dot)linnakangas(at)enterprisedb(dot)com> wrote:
> 2. The semantics of STRICT with row arguments is broken. It should be
> made consistent with IS NULL. Strict function should not be called if
> the argument is a row value with all NULL columns.

not just STRICT, but coalesce(), libpq 'is null' bit, plpgsql row
variables, type input/output, joins, etc. see recent threads on
-hackers and -bugs note that fixing this would break code in the field
(like mine for example) :-).

merlin

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