From: Bruno Wolff III <bruno@wolff.to>
To: Troels Arvin <troels@arvin.dk>
Cc: pgsql-sql@postgresql.org
Subject: Re: Quota query with decent performance?
Date: Tue, 18 Nov 2003 08:36:27 -0600
Message-ID: <20031118143627.GA32105@wolff.to> (raw)
In-Reply-To: <pan.2003.11.18.14.21.43.529784@arvin.dk>
References: <pan.2003.11.11.22.58.08.758402@arvin.dk>
<Pine.BSO.4.44.0311111832190.19584-100000@detroit.arbor.net>
<pan.2003.11.17.22.55.52.997736@arvin.dk>
<20031118125642.GC30809@wolff.to>
<pan.2003.11.18.14.21.43.529784@arvin.dk>
On Tue, Nov 18, 2003 at 15:21:43 +0100,
Troels Arvin <troels@arvin.dk> wrote:
> On Tue, 18 Nov 2003 06:56:42 -0600, Bruno Wolff III wrote:
>
> [...]
> > where not isfalse (age <=
> [...]
>
> Strange. I can't find the ISFALSE in neither PostgreSQL or standard SQL
> documentation. How can that be?
I didn't remember the exact syntax and found the isfalse function by
guessing. The standard syntax is expression is false instead of
isfalse(expression), though the function does work (in 7.4 at least).
area=> select isfalse(null);
isfalse
---------
f
(1 row)
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To: pgsql-sql@postgresql.org
Cc: bruno@wolff.to, troels@arvin.dk
Subject: Re: Quota query with decent performance?
In-Reply-To: <20031118143627.GA32105@wolff.to>
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