QUERY PLAN
Aggregate (cost=1.21..1.22 rows=1 width=8)
-> Sort (cost=1.19..1.19 rows=1 width=56)
Sort Key: tbl_erp_purchase_return_verify_rels.id
-> Seq Scan on tbl_erp_purchase_return_verify_rels (cost=0.00..1.18 rows=1 width=56)
Filter: ((status = 0) AND (erp_purchase_return_id = 6))