QUERY PLAN
GroupAggregate (cost=483.60..485.42 rows=102 width=12)
Group Key: project_id
-> Sort (cost=483.60..483.86 rows=107 width=8)
Sort Key: project_id
-> Seq Scan on tbl_cases (cost=0.00..479.99 rows=107 width=8)
Filter: (project_id = ANY ('{1111,3216,4184,4183,4182,4181,4179,4175,4174,4173,4172,4171,4170,4169,4168,4167,4166,4164,4161,4158}'::integer[]))