QUERY PLAN
GroupAggregate (cost=374.81..375.29 rows=27 width=12)
Group Key: project_id
-> Sort (cost=374.81..374.88 rows=27 width=8)
Sort Key: project_id
-> Seq Scan on tbl_cases (cost=0.00..374.17 rows=27 width=8)
Filter: (project_id = ANY ('{4176,4154,4099,4092,4081,4050,4046,4039,4038,4036}'::integer[]))