QUERY PLAN
GroupAggregate (cost=349.01..349.03 rows=1 width=12)
Group Key: case_id
-> Sort (cost=349.01..349.01 rows=1 width=4)
Sort Key: case_id
-> Seq Scan on tbl_implement_records (cost=0.00..349.00 rows=1 width=4)
Filter: ((case_id = ANY ('{8762,8761}'::integer[])) AND (created_by = 1000))