QUERY PLAN
GroupAggregate (cost=460.08..460.93 rows=48 width=12)
Group Key: project_id
-> Sort (cost=460.08..460.20 rows=49 width=8)
Sort Key: project_id
-> Seq Scan on tbl_cases (cost=0.00..458.70 rows=49 width=8)
Filter: (project_id = ANY ('{4118,4103,4115,4130,4124,4094,4121,4127,4085,4101,4112,4100,4116,4119,4093,4102,4096,4090}'::integer[]))