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https://issues.apache.org/jira/browse/SPARK-15752?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Lianhui Wang updated SPARK-15752:
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Summary: support optimization for metadata only queries (was: support
optimization for metadata only queries.)
> support optimization for metadata only queries
> ----------------------------------------------
>
> Key: SPARK-15752
> URL: https://issues.apache.org/jira/browse/SPARK-15752
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Reporter: Lianhui Wang
>
> when query just has use metadata, so it can not scan files. we need to
> support it like HIVE-1003.
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