QUERY PLAN
GroupAggregate (cost=462.94..464.66 rows=96 width=12)
Group Key: project_id
-> Sort (cost=462.94..463.20 rows=101 width=8)
Sort Key: project_id
-> Seq Scan on tbl_cases (cost=0.00..459.58 rows=101 width=8)
Filter: (project_id = ANY ('{4184,4182,4174,4173,4170,4167,4166,4144,4152,4150,3991,4014,3703,3679,3623,3265,2939,1018}'::integer[]))