QUERY PLAN
Sort (cost=55.06..55.09 rows=10 width=16)
Sort Key: id
-> Seq Scan on tbl_purchase_client_rels (cost=0.00..54.90 rows=10 width=16)
Filter: (contract_id = ANY ('{4133,4128,4127,4126,4124,4123,4121,4115,4110,4104}'::integer[]))