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From "Xuefu Zhang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-13237) Select parquet struct field with upper case throws NPE
Date Wed, 09 Mar 2016 02:33:40 GMT

    [ https://issues.apache.org/jira/browse/HIVE-13237?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15186362#comment-15186362
] 

Xuefu Zhang commented on HIVE-13237:
------------------------------------

Patch looks good to me. [~jxiang], could you please explain the relationship between the NPE
and the patch? Might we do something on the NPE as well?

> Select parquet struct field with upper case throws NPE
> ------------------------------------------------------
>
>                 Key: HIVE-13237
>                 URL: https://issues.apache.org/jira/browse/HIVE-13237
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Jimmy Xiang
>            Assignee: Jimmy Xiang
>         Attachments: HIVE-13237.1.patch
>
>
> Query "select msg.fieldone from test" throws NPE if msg's fieldone is actually fieldOne:
> {noformat}
> 2016-03-08 17:30:57,772 ERROR [main]: exec.FetchTask (FetchTask.java:initialize(86))
- java.lang.NullPointerException
>         at org.apache.hadoop.hive.ql.exec.ExprNodeFieldEvaluator.initialize(ExprNodeFieldEvaluator.java:61)
>         at org.apache.hadoop.hive.ql.exec.Operator.initEvaluators(Operator.java:954)
>         at org.apache.hadoop.hive.ql.exec.Operator.initEvaluatorsAndReturnStruct(Operator.java:980)
>         at org.apache.hadoop.hive.ql.exec.SelectOperator.initializeOp(SelectOperator.java:63)
>         at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:385)
> {noformat}



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