QUERY PLAN
GroupAggregate (cost=481.58..482.53 rows=54 width=12)
Group Key: project_id
-> Sort (cost=481.58..481.72 rows=55 width=8)
Sort Key: project_id
-> Seq Scan on tbl_cases (cost=0.00..479.99 rows=55 width=8)
Filter: (project_id = ANY ('{4152,4151,4150,4149,4148,4147,4146,4145,4144,4143,4142,4141,4140,4139,4138,4137,4136,4135,4134,4133}'::integer[]))