From: Steinar H. Gunderson <sgunderson@bigfoot.com>
To: pgsql-performance@postgresql.org
Subject: Re: function not called if part of aggregate
Date: Sun, 11 Jun 2006 19:31:55 +0200
Message-ID: <20060611173155.GA9244@uio.no> (raw)
In-Reply-To: <448C505C.2080504@modgraph-usa.com>
References: <448C505C.2080504@modgraph-usa.com>
On Sun, Jun 11, 2006 at 10:18:20AM -0700, Craig A. James wrote:
> This works well, but it requires me to actually retrieve the function's
> value 800 times.
Is this actually a problem?
> So I thought I'd be clever:
>
> select count(1) from (select foo_init(value) from foo_init_table order by
> value_id) as foo;
Why not just count(foo_init(value))?
/* Steinar */
--
Homepage: http://www.sesse.net/
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To: pgsql-performance@postgresql.org
Cc: sgunderson@bigfoot.com
Subject: Re: function not called if part of aggregate
In-Reply-To: <20060611173155.GA9244@uio.no>
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