QUERY PLAN
Limit (cost=32.46..32.50 rows=16 width=77)
-> Sort (cost=32.46..32.50 rows=16 width=77)
Sort Key: created_at DESC
-> Group (cost=32.06..32.14 rows=16 width=77)
Group Key: id
-> Sort (cost=32.06..32.10 rows=16 width=77)
Sort Key: id
-> Seq Scan on tbl_client_documents cd (cost=0.00..31.74 rows=16 width=77)
Filter: (client_id = 2128)