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 ('{1018,4185,4184,4182,4183,4181,4174,4173,4179,4079}'::integer[]))