QUERY PLAN
Sort (cost=431.81..431.81 rows=1 width=16)
Sort Key: assigned_at DESC
-> Seq Scan on tbl_case_assignments (cost=0.00..431.80 rows=1 width=16)
Filter: ((engineer_id = 1001) AND (assignment_status = 1) AND (case_id = ANY ('{9256,9255,9243,9226,9227,9225,9224,9221,9219,9223,9220,9218,9217,9215,9212,9213,9216,9214,9211,9210}'::integer[])))