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From: Michael Fuhr <mike@fuhr.org>
To: Andrei Bintintan <klodoma@ar-sd.net>
Cc: pgsql-sql@postgresql.org
Subject: Re: SQL timestamp to date cast
Date: Thu, 20 Jan 2005 02:51:16 -0700
Message-ID: <20050120095116.GA37770@winnie.fuhr.org> (raw)
In-Reply-To: <010a01c4fed4$3fba1ca0$0b00a8c0@forge>
References: <006b01c4fecd$6d37c9e0$0b00a8c0@forge>
	<20050120093331.GA37672@winnie.fuhr.org>
	<010a01c4fed4$3fba1ca0$0b00a8c0@forge>

On Thu, Jan 20, 2005 at 11:41:41AM +0200, Andrei Bintintan wrote:
> >Another possibility would be to create a functional index on datetime:
> >
> >CREATE INDEX user_action_date_idx ON user_action (date(datetime));
> 
> GREAT!!! I thought it is possible but I didn't knew how to make such 
> indexes. :))

See the "Indexes on Expressions" section in the "Indexes" chapter
of the documentation.

-- 
Michael Fuhr
http://www.fuhr.org/~mfuhr/



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