Erik van Oosten created SPARK-6878:
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Summary: Sum on empty RDD fails with exception
Key: SPARK-6878
URL: https://issues.apache.org/jira/browse/SPARK-6878
Project: Spark
Issue Type: Bug
Components: Spark Core
Affects Versions: 1.2.0
Reporter: Erik van Oosten
Priority: Minor
{{Sum}} on an empty RDD throws an exception. Expected result is {{0}}.
A simple fix is the replace
{noformat}
class DoubleRDDFunctions {
def sum(): Double = self.reduce(_ + _)
{noformat}
with:
{noformat}
class DoubleRDDFunctions {
def sum(): Double = self.aggregate(0.0)(_ + _, _ + _)
{noformat}
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