QUERY PLAN
Sort (cost=50.14..50.16 rows=8 width=16)
Sort Key: id
-> Seq Scan on tbl_purchase_client_rels (cost=0.00..50.02 rows=8 width=16)
Filter: (contract_id = ANY ('{4143,4141,4142,4133,2364,2216,2198,2114}'::integer[]))