Reynold Xin created SPARK-2726:
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Summary: Remove SortOrder in ShuffleDependency and
HashShuffleReader
Key: SPARK-2726
URL: https://issues.apache.org/jira/browse/SPARK-2726
Project: Spark
Issue Type: Bug
Reporter: Reynold Xin
Assignee: Reynold Xin
SPARK-2125 introduced a SortOrder in ShuffleDependency and HashShuffleReader.
However, the key ordering already includes the SortOrder information since an
Ordering can be reversed easily. This is similar to Java's Comparator
interface. Rarely does an API accept both a Comparator as well as an SortOrder.
We should remove the SortOrder.
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