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https://issues.apache.org/jira/browse/PIG-1468?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12883464#action_12883464
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Gianmarco De Francisci Morales commented on PIG-1468:
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1) I will write a simple program to measure the performance impact.
2) I think this has no correlation to other places, but I will check.
Furthermore, this patch makes the ordering consistent with Hadoop's
WritableComparator.compareBytes() (lexicographic order of binary data).
> DataByteArray.compareTo() does not compare in lexicographic order
> -----------------------------------------------------------------
>
> Key: PIG-1468
> URL: https://issues.apache.org/jira/browse/PIG-1468
> Project: Pig
> Issue Type: Bug
> Reporter: Gianmarco De Francisci Morales
> Assignee: Gianmarco De Francisci Morales
> Attachments: PIG-1468.patch
>
>
> The compareTo() method of org.apache.pig.data.DataByteArray does not compare
> items in lexicographic order.
> Actually, it takes into account the signum of the bytes that compose the
> DataByteArray.
> So, for example, 0xff compares to less than 0x00
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