Lianhui Wang created SPARK-15752:
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Summary: support optimization for metadata only queries.
Key: SPARK-15752
URL: https://issues.apache.org/jira/browse/SPARK-15752
Project: Spark
Issue Type: Bug
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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