QUERY PLAN
Sort (cost=379.09..379.10 rows=1 width=16)
Sort Key: assigned_at DESC
-> Seq Scan on tbl_case_assignments (cost=0.00..379.08 rows=1 width=16)
Filter: ((engineer_id = 1001) AND (assignment_status = 1) AND (case_id = ANY ('{9250,9240,9247,9244,9239,9237,9238,9236,9235,9229,9233,9232,9230,9228,9222}'::integer[])))