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https://issues.apache.org/jira/browse/PIG-2132?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13051295#comment-13051295
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Dmitriy V. Ryaboy commented on PIG-2132:
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Please augment the existing tests to check for this.
> Piggybank: MIN and MAX functions should ignore nulls
> ----------------------------------------------------
>
> Key: PIG-2132
> URL: https://issues.apache.org/jira/browse/PIG-2132
> Project: Pig
> Issue Type: Bug
> Components: tools
> Reporter: Jonathan Coveney
> Priority: Minor
> Attachments: JcoMaxMinPatch.patch
>
> Original Estimate: 4h
> Remaining Estimate: 4h
>
> org.apache.pig.piggybank.evaluation.math.MAX and
> org.apache.pig.piggybank.evaluation.math.MIN throws a NullPointerException on
> a null input, when it should just ignore it.
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