QUERY PLAN
HashAggregate (cost=143.01..143.11 rows=10 width=12)
Group Key: sales_rep
-> Seq Scan on tbl_clients (cost=0.00..137.81 rows=1041 width=4)
Filter: (sales_rep = ANY ('{5332,1001,5087,5300,5311,5295,1013,5476,1004,1005,5449}'::integer[]))