QUERY PLAN
Sort (cost=86.32..86.37 rows=20 width=16)
Sort Key: id
-> Seq Scan on tbl_purchase_client_rels (cost=0.00..85.89 rows=20 width=16)
Filter: (contract_id = ANY ('{4435,4432,4427,4431,4425,4423,4421,4420,4415,4413,4412,4411,4410,4409,4407,4406,4405,4404,4403,4402}'::integer[]))