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

A. Kretschmer wrote on 11.03.2008 19:50:
> 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
>

You can also use the ANSI standard for specifying date literals:

WHERE pt.created_date >=  DATE '2008-01-21'

which will work with other (standard compliant) DBMS as well.

Thomas