When grilled further on (Mon, 05 Jan 2004 17:14:26 +0000),
teknokrat <teknokrat(at)yahoo(dot)com> confessed:
> How can I group by date given a timestamp column?
>
I just found this out this weekend. Try 'date_trunc'. Look at secion 9.8.2 of
the documentation. I'm using something like:
SELECT date_trunc( 'hour', "when" ) AS "date" FROM readings GROUP BY "date";
Where "when" is my timestamp columnn.
Cheers,
Rob
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