introducing the "dual" table
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Key: HIVE-1558
URL: https://issues.apache.org/jira/browse/HIVE-1558
Project: Hadoop Hive
Issue Type: New Feature
Reporter: Ning Zhang
The "dual" table in MySQL and Oracle is very convenient in testing UDFs or
constructing rows without reading any other tables.
If dual is the only data source we could leverage the local mode execution.
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