QUERY PLAN
Sort (cost=240.34..240.34 rows=1 width=16)
Sort Key: assigned_at DESC
-> Seq Scan on tbl_case_assignments (cost=0.00..240.33 rows=1 width=16)
Filter: ((engineer_id = 1000) AND (assignment_status = 1) AND (case_id = ANY ('{8268,8267,8266,8265,8260}'::integer[])))