QUERY PLAN
GroupAggregate (cost=385.46..385.48 rows=1 width=12)
Group Key: case_id
-> Sort (cost=385.46..385.47 rows=1 width=4)
Sort Key: case_id
-> Seq Scan on tbl_implement_records (cost=0.00..385.45 rows=1 width=4)
Filter: ((created_by = 1000) AND (case_id = ANY ('{8249,8279,8278,5051,8262,8214,8270,8266,8265,8276}'::integer[])))