On 21 Feb 2003 at 19:18, Gaetano Mendola wrote:
> > Hi folks,
> >
> > This query:
> >
> > SELECT element_id as wle_element_id, COUNT(watch_list_id)
> > FROM watch_list JOIN watch_list_element
> > ON watch_list.id = watch_list_element.watch_list_id
> > AND watch_list.user_id = 1
> > GROUP BY watch_list_element.element_id
>
> Try:
>
> SELECT element_id as wle_element_id, COUNT(watch_list_id)
> FROM watch_list JOIN watch_list_element
> ON watch_list.id = watch_list_element.watch_list_id
> WHERE
> watch_list.user_id = 1
> GROUP BY watch_list_element.element_id
ERROR: Attribute unnamed_join.element_id must be GROUPed or used in
an aggregate function
--
Dan Langille : http://www.langille.org/