QUERY PLAN
GroupAggregate (cost=376.66..378.01 rows=76 width=12)
Group Key: project_id
-> Sort (cost=376.66..376.86 rows=79 width=8)
Sort Key: project_id
-> Seq Scan on tbl_cases (cost=0.00..374.17 rows=79 width=8)
Filter: (project_id = ANY ('{4184,4182,4185,4167,4166,4161,4164,4155,4158,1018}'::integer[]))