From b7a1fb5c5dfe12d18fe9c4b1da1818a143cd247f Mon Sep 17 00:00:00 2001
From: Mark Hamstra <markhamstra@gmail.com>
Date: Sat, 9 Feb 2013 12:14:11 -0800
Subject: [PATCH] Add commutative requirement for 'reduce' to Python docstring.
---
python/pyspark/rdd.py | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/python/pyspark/rdd.py b/python/pyspark/rdd.py
index 4cda6cf661..6b6ab6abd9 100644
--- a/python/pyspark/rdd.py
+++ b/python/pyspark/rdd.py
@@ -274,8 +274,8 @@ class RDD(object):
def reduce(self, f):
"""
- Reduces the elements of this RDD using the specified associative binary
- operator.
+ Reduces the elements of this RDD using the specified commutative and
+ associative binary operator.
>>> from operator import add
>>> sc.parallelize([1, 2, 3, 4, 5]).reduce(add)
--
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