Ai He created SPARK-7683:
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Summary: Confusing behavior of fold function of RDD in pyspark
Key: SPARK-7683
URL: https://issues.apache.org/jira/browse/SPARK-7683
Project: Spark
Issue Type: Bug
Components: PySpark
Reporter: Ai He
Priority: Minor
This will make the “fold” function consistent with the "fold" in rdd.scala and
other "aggregate" functions where “acc” goes first. Otherwise, users have to
write a lambda function like “lambda x, y: op(y, x)” if they want to use
“zeroValue” to change the result type.
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