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https://issues.apache.org/jira/browse/PIG-2726?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13406072#comment-13406072
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Prasanth J commented on PIG-2726:
---------------------------------
Attaching a git patch. Patch for PIG-2765 is generated on top of this git
patch.
> Handling legitimate NULL values
> -------------------------------
>
> Key: PIG-2726
> URL: https://issues.apache.org/jira/browse/PIG-2726
> Project: Pig
> Issue Type: Sub-task
> Affects Versions: 0.11
> Reporter: Prasanth J
> Assignee: Prasanth J
> Attachments: PIG-2726.1.git.patch, PIG-2726.1.patch
>
>
> Look into SQL/Oracle server for how they are handling legitimate NULL values
> in the input while performing operations like roll-up, filtering etc. Current
> implementation outputs NULL string which should be replaced by actual null
> value.
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