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From: Marcin Mirosław <marcin@mejor.pl>
To: pgsql-performance@postgresql.org
Subject: Re: which one is faster
Date: Tue, 26 Oct 2010 13:59:03 +0200
Message-ID: <4CC6C287.8070803@mejor.pl> (raw)
In-Reply-To: <AANLkTikWbbFNykGXdobR06dsePn40JrBYvfFZLmu+H1j@mail.gmail.com>
References: <AANLkTimgjmGCcxjSmf6BvQ=BBGLBrMspfcFgWhrpsVVr@mail.gmail.com>
	<AANLkTikWbbFNykGXdobR06dsePn40JrBYvfFZLmu+H1j@mail.gmail.com>

W dniu 26.10.2010 12:59, Szymon Guz pisze:
> both queries are the same.

IMHO they aren't the same, but they returns the same value in this case.
I mean count(field) doesn't count NULL values, count(*) does it.
I'm writing this only for note:)
Regards

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