QUERY PLAN
GroupAggregate (cost=326.71..328.21 rows=72 width=36)
Group Key: client_id
-> Sort (cost=326.71..326.91 rows=79 width=9)
Sort Key: client_id
-> Seq Scan on tbl_reimbursements (cost=0.00..324.23 rows=79 width=9)
Filter: ((status = ANY ('{2,3}'::integer[])) AND (client_id = ANY ('{1661,3375,2128,2492,3360,3361,3329,2547,3365,2158}'::integer[])))