QUERY PLAN
GroupAggregate (cost=297.73..298.30 rows=28 width=36)
Group Key: client_id
-> Sort (cost=297.73..297.80 rows=29 width=9)
Sort Key: client_id
-> Seq Scan on tbl_reimbursements (cost=0.00..297.02 rows=29 width=9)
Filter: ((status = ANY ('{3,2}'::integer[])) AND (client_id = ANY ('{3336,3335,3334,3327,3320,3318,3317,3311,3310,3304}'::integer[])))