QUERY PLAN
HashAggregate (cost=352.83..353.88 rows=105 width=12)
Group Key: project_id
-> Seq Scan on tbl_cases (cost=0.00..352.28 rows=110 width=8)
Filter: (project_id = ANY ('{4167,4166,4161,4164,4155,4158,1018,1111}'::integer[]))