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https://issues.apache.org/jira/browse/HIVE-1804?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Liyin Tang updated HIVE-1804:
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Status: Patch Available (was: Open)
If the parition desc is empty, just create a empty hash table file
> Mapjoin will fail if there are no files associating with the join tables
> ------------------------------------------------------------------------
>
> Key: HIVE-1804
> URL: https://issues.apache.org/jira/browse/HIVE-1804
> Project: Hive
> Issue Type: Bug
> Components: Query Processor
> Affects Versions: 0.7.0
> Reporter: Liyin Tang
> Assignee: Liyin Tang
> Fix For: 0.7.0
>
>
> If there are some empty tables without any file associated, the map join will
> fail.
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