Re: regd count(count(*)) in group by

Try this:

SELECT count(*)
FROM (
SELECT count(*)
FROM test
GROUP BY date_trunc('day', test_date)
) as qry;

On Fri, 2002-07-26 at 16:03, Yuva Chandolu wrote:
> Hi,
>
> We have a query "select count(count(*)) from test group by
> trunc(test_date)". This works fine with Oracle but when moving to postgres I
> changed it to "select count(count(*)) from test group by date_trunc('day',
> test_date)" but I get the following error
>
> ERROR: Aggregate function calls may not be nested
>
> Can some one help me...
>
> Thanks
> Yuva
>
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