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https://issues.apache.org/jira/browse/HIVE-161?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12661785#action_12661785
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Raghotham Murthy commented on HIVE-161:
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ql/src/java/org/apache/hadoop/hive/ql/exec/ExprNodeFieldEvaluator.java:
Shouldnt you be returning the same thing whether the list is null or empty?
right now, you are returning null in the first case and an empty list<Object>
in the second case.
> for list column x that is sometimes null, select x.y will cause a
> nullpointerexception
> --------------------------------------------------------------------------------------
>
> Key: HIVE-161
> URL: https://issues.apache.org/jira/browse/HIVE-161
> Project: Hadoop Hive
> Issue Type: Bug
> Components: Query Processor
> Reporter: Venky Iyer
> Assignee: Zheng Shao
> Priority: Critical
> Fix For: 0.2.0
>
> Attachments: HIVE-161-2.patch
>
>
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