QUERY PLAN
Aggregate (cost=31.85..31.86 rows=1 width=8)
-> Sort (cost=31.80..31.81 rows=3 width=588)
Sort Key: cd.created_at DESC
-> Group (cost=31.76..31.78 rows=3 width=588)
Group Key: cd.id
-> Sort (cost=31.76..31.77 rows=3 width=12)
Sort Key: cd.id
-> Seq Scan on tbl_client_documents cd (cost=0.00..31.74 rows=3 width=12)
Filter: (client_id = 3459)