QUERY PLAN
Sort (cost=303.88..303.89 rows=1 width=16)
Sort Key: assigned_at DESC
-> Seq Scan on tbl_case_assignments (cost=0.00..303.88 rows=1 width=16)
Filter: ((engineer_id = 1000) AND (assignment_status = 1) AND (case_id = ANY ('{9270,9271,9272,9273,9274,9275,9276,9277}'::integer[])))