QUERY PLAN
GroupAggregate (cost=445.74..445.75 rows=1 width=12)
Group Key: case_id
-> Sort (cost=445.74..445.74 rows=1 width=4)
Sort Key: case_id
-> Seq Scan on tbl_implement_records (cost=0.00..445.73 rows=1 width=4)
Filter: ((created_by = 1000) AND (case_id = ANY ('{9277,9276,9275,9274,9273,9272,9271,9270,9269,9268}'::integer[])))