QUERY PLAN
GroupAggregate (cost=354.57..354.59 rows=1 width=12)
Group Key: case_id
-> Sort (cost=354.57..354.57 rows=1 width=4)
Sort Key: case_id
-> Seq Scan on tbl_implement_records (cost=0.00..354.56 rows=1 width=4)
Filter: ((created_by = 1000) AND (case_id = ANY ('{8250,8258,8255,8253,8245,8248}'::integer[])))