select
d1_0.id,
count_big(distinct coalesce(nullif(coalesce(cast(l1_0.localized_KEY as varchar(16384)),char(0)),''),char(0)+'1')+char(0)+coalesce(nullif(coalesce(l1_0.localized,char(0)),''),char(0)+'2'))
from
Document d1_0
left join
(Document_Person c1_0
join
Person c1_1
on c1_1.id=c1_0.contacts_id)
on d1_0.id=c1_0.Document_id
left join
Person_localized l1_0
on c1_1.id=l1_0.Person_id
group by
d1_0.id