f.user_id as user_id, f.user_id as user,
to_char(f.create_date,'Month') as month
from ir_attachment f
- where create_date in (
- select max(create_date)
+ where f.create_date in (
+ select max(i.create_date)
from ir_attachment i
inner join res_users u on (i.user_id=u.id)
group by i.user_id) group by f.user_id,f.create_date