postgresql7.1 select min(u.last_name || ', ' || u.first_names) as user_name, min(u.email) as email, d.user_id, count(*) as num_downloads, min('$downloaded'::varchar) as downloaded from download_downloads_repository d, cc_users u where d.repository_id = $repository_id and d.user_id = u.user_id [ad_dimensional_sql $dimensional where] group by d.user_id order by 2 desc d.download_date + '1 days'::interval > current_timestamp d.download_date + '7 days'::interval > current_timestamp d.download_date + '30 days'::interval > current_timestamp