| 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 |
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| 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
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Andreas Kretschmer
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