QUERY PLAN
GroupAggregate (cost=331.40..331.42 rows=1 width=12)
Group Key: case_id
-> Sort (cost=331.40..331.41 rows=1 width=4)
Sort Key: case_id
-> Seq Scan on tbl_implement_records (cost=0.00..331.39 rows=1 width=4)
Filter: ((created_by = 5016) AND (case_id = ANY ('{8264,8263,8262}'::integer[])))