QUERY PLAN
Sort (cost=432.81..432.81 rows=1 width=16)
Sort Key: assigned_at DESC
-> Seq Scan on tbl_case_assignments (cost=0.00..432.80 rows=1 width=16)
Filter: ((engineer_id = 1001) AND (assignment_status = 1) AND (case_id = ANY ('{9249,9242,9240,9247,9246,9241,9239,9237,9238,9236,9234,9235,9231,9229,9232,9228,9225,9224,9221,9219}'::integer[])))