QUERY PLAN
Aggregate (cost=133.15..133.16 rows=1 width=8)
-> Seq Scan on tbl_clients (cost=0.00..130.72 rows=971 width=4)
Filter: (sales_rep = ANY ('{1001,1004,1005,1013,5087,5295,5300,5311,5329,5332,5420}'::integer[]))