Re: Aggregates in WHERE clause?

On Wed, Sep 10, 2008 at 4:11 PM, Ruben Gouveia <rubes7202(at)gmail(dot)com> wrote:

> select employee,count(distinct tasks)
> from job
> where greatest(max(last_job_date),max(last_position_date)) <
> 2008-08-28 + integer '1'
> group by employee;
>
> ERROR: aggregates not allowed in WHERE clause
>

select employee,count(distinct tasks)
from job
group by employee
having greatest(max(last_job_date),max(last_position_date))
< 2008-08-28 + integer '1';

Having clause works on agregates. If you want to force it in the
where, you need to put the groupby in a sub-query.

--
Regards,
Richard Broersma Jr.

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