Re: How to convert postgres timestamp to date: yyyy-mm-dd

From: "A(dot) Kretschmer" <andreas(dot)kretschmer(at)schollglas(dot)com>
To: pgsql-general(at)postgresql(dot)org
Subject: Re: How to convert postgres timestamp to date: yyyy-mm-dd
Date: 2008-03-11 18:50:29
Message-ID: 20080311185029.GA11998@a-kretschmer.de
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-general

am Tue, dem 11.03.2008, um 10:51:21 -0700 mailte CaseT folgendes:
> Hi All,
>
> I'm a novice but learning quickly and I'm stumped on how to do this.
>
> I need to convert postgres timestamp to date format yyyy-mm-dd in a
> sql statement.
> pt.created_date below is timestamp format
>
> i.e ... WHERE pt.created_date >= '2008-01-21'

You can't compare a date or timestamp to a varchar or text. For your
example, cast the date-string to a real date like:

... WHERE pt.created_date >= '2008-01-21'::date

Consider also functions like to_date(), see:
http://www.postgresql.org/docs/current/static/functions-formatting.html

Andreas
--
Andreas Kretschmer
Kontakt: Heynitz: 035242/47150, D1: 0160/7141639 (mehr: -> Header)
GnuPG-ID: 0x3FFF606C, privat 0x7F4584DA http://wwwkeys.de.pgp.net

In response to

Responses

Browse pgsql-general by date

  From Date Subject
Next Message Scott Marlowe 2008-03-11 18:53:04 Re: postgre vs MySQL
Previous Message Mike 2008-03-11 18:45:39 Re: message contents do not agree with length in message type "T"