From 6056b36bc8b92cc106576af44c25ebae0a524eec Mon Sep 17 00:00:00 2001
From: Adam Holmberg <Adam.Holmberg@datastax.com>
Date: Fri, 17 Jul 2015 14:29:25 -0500
Subject: [PATCH] for RoundRobin return iterator instead of materialized list

Most of time, only first element will be consumed.
---
 cassandra/policies.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cassandra/policies.py b/cassandra/policies.py
index 328b6b82..8132f8ab 100644
--- a/cassandra/policies.py
+++ b/cassandra/policies.py
@@ -173,7 +173,7 @@ class RoundRobinPolicy(LoadBalancingPolicy):
         length = len(hosts)
         if length:
             pos %= length
-            return list(islice(cycle(hosts), pos, pos + length))
+            return islice(cycle(hosts), pos, pos + length)
         else:
             return []