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https://issues.apache.org/jira/browse/TEZ-1503?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14111095#comment-14111095
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Gopal V commented on TEZ-1503:
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The Unordered input will not satisfy the contract of key values reader at all -
it will not return K, List<V>
> UnorderedKVInput.getReader() should return KeyValuesReader
> ----------------------------------------------------------
>
> Key: TEZ-1503
> URL: https://issues.apache.org/jira/browse/TEZ-1503
> Project: Apache Tez
> Issue Type: Bug
> Reporter: Rajesh Balamohan
>
> Currently OrderedGroupedKVInput.getReader() returns KeyValuesReader and
> UnorderedKVInput.getReader() returns KeyValueReader.
> It would be useful to return KeyValuesReader for UnorderedKVInput to be
> consistent with OrderedGroupedKVInput.
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