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From: Josh Berkus <josh@agliodbs.com>
To: pgsql-performance@postgresql.org
Cc: Karl O. Pinc <kop@meme.com>
Subject: Re: Using LIMIT 1 in plpgsql PERFORM statements
Date: Sun, 23 Oct 2005 14:02:35 -0700
Message-ID: <200510231402.35612.josh@agliodbs.com> (raw)
In-Reply-To: <1129957521l.27845l.2l@mofo>
References: <1129957521l.27845l.2l@mofo>

Karl,

> PERFORM 1 FROM foo;
> IF FOUND THEN ...
>
> is any slower than:
>
> PERFORM 1 FROM foo LIMIT 1;
> IF FOUND THEN ...

I'm wondering in what context it makes sense to call PERFORM on a constant.

-- 
Josh Berkus
Aglio Database Solutions
San Francisco



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