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https://issues.apache.org/jira/browse/HIVE-17332?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16128805#comment-16128805
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Lukas Waldmann commented on HIVE-17332:
---------------------------------------
When hive.auto.convert.join is set to true than the query finish without
exception
> NullPointer exception when processing query
> -------------------------------------------
>
> Key: HIVE-17332
> URL: https://issues.apache.org/jira/browse/HIVE-17332
> Project: Hive
> Issue Type: Bug
> Affects Versions: 1.2.1
> Reporter: Lukas Waldmann
>
> Hive query:
> {code}
> select count(*) from (select * from EXM_BASE_DATA, (select max(snapshot)
> max_snapshot from EXM_BASE_DATA) s0 where snapshot == max_snapshot) t;
> {code}
> finish with NullPointer exception
> while
> {code}
> select * from EXM_BASE_DATA, (select max(snapshot) max_snapshot from
> EXM_BASE_DATA) s0 where snapshot == max_snapshot
> {code}
> is executed without error
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