QUERY PLAN
Bitmap Heap Scan on tbl_sales_group_relationships (cost=4.23..14.79 rows=10 width=12)
Recheck Cond: (group_id = 1)
-> Bitmap Index Scan on tbl_sales_group_relationships_pkey (cost=0.00..4.23 rows=10 width=0)
Index Cond: (group_id = 1)