Re: time interval question

From: Justin Clift <justin(at)postgresql(dot)org>
To: Cefull Lo <cefull_lo(at)yahoo(dot)com>, PostgreSQL General Mailing List <pgsql-general(at)postgresql(dot)org>
Subject: Re: time interval question
Date: 2001-08-20 19:10:03
Message-ID: 3B81608B.C0F6E141@postgresql.org
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Hi,

You could do something along the lines of :

SELECT foo, bar FROM baz WHERE date_part('hour', foo) > 0 AND
date_part('hour', foo) < 8;

Simple, but effective. Only works for whole hours like in your example
though.

:-)

Regards and best wishes,

Justin Clift

Cefull Lo wrote:
>
> given a timestamp data, e.g. 2001-08-18 06:01:23+08
> How can I check that is it lie between 00:00:00 and 08:00:00 and ignore the
> date?
>
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