QUERY PLAN
Aggregate (cost=82.88..82.89 rows=1 width=8)
-> Bitmap Heap Scan on tbl_clients (cost=4.65..82.76 rows=48 width=4)
Recheck Cond: (sales_rep = 5295)
-> Bitmap Index Scan on tbl_clients_sales_rep_idx (cost=0.00..4.64 rows=48 width=0)
Index Cond: (sales_rep = 5295)