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https://issues.apache.org/jira/browse/HIVE-13275?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15308496#comment-15308496
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Jesus Camacho Rodriguez commented on HIVE-13275:
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[~gopalv], could you take a look? Patch seems fairly simple. Thanks
> Add a toString method to BytesRefArrayWritable
> ----------------------------------------------
>
> Key: HIVE-13275
> URL: https://issues.apache.org/jira/browse/HIVE-13275
> Project: Hive
> Issue Type: Improvement
> Components: File Formats, Serializers/Deserializers
> Affects Versions: 1.1.0
> Reporter: Harsh J
> Assignee: Harsh J
> Priority: Trivial
> Attachments: HIVE-13275.000.patch
>
>
> RCFileInputFormat cannot be used externally for Hadoop Streaming today cause
> Streaming generally relies on the K/V pairs to be able to emit text
> representations (via toString()).
> Since BytesRefArrayWritable has no toString() methods, the usage of the
> RCFileInputFormat causes object representation prints which are not useful.
> Also, unlike SequenceFiles, RCFiles store multiple "values" per row (i.e. an
> array), so its important to output them in a valid/parseable manner, as
> opposed to choosing a simple joining delimiter over the string
> representations of the inner elements.
> I propose adding a standardised CSV formatting of the array data, such that
> users of Streaming can then parse the results in their own script. Since we
> have OpenCSV as a dependency already, we can make use of it for this purpose.
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