QUERY PLAN
GroupAggregate (cost=330.28..330.71 rows=25 width=12)
Group Key: project_id
-> Sort (cost=330.28..330.34 rows=25 width=8)
Sort Key: project_id
-> Seq Scan on tbl_cases (cost=0.00..329.69 rows=25 width=8)
Filter: (project_id = ANY ('{3805,3811,3739,3801,3461,3577,3807,3796,3809,3810}'::integer[]))