QUERY PLAN
GroupAggregate (cost=370.17..370.35 rows=10 width=12)
Group Key: case_id
-> Sort (cost=370.17..370.20 rows=10 width=4)
Sort Key: case_id
-> Seq Scan on tbl_implement_records (cost=0.00..370.00 rows=10 width=4)
Filter: (case_id = ANY ('{6899,6631,6613,6562,6532,6503,1290,578,567,560}'::integer[]))