QUERY PLAN
Aggregate (cost=142.93..142.94 rows=1 width=8)
-> Seq Scan on tbl_clients (cost=0.00..140.32 rows=1041 width=4)
Filter: (sales_rep = ANY ('{1001,1004,1005,1013,5087,5295,5300,5311,5332,5449,5467,5476}'::integer[]))