Reynold Xin created SPARK-9173:
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Summary: UnionPushDown should also support Intersect and Except in
addition to Union
Key: SPARK-9173
URL: https://issues.apache.org/jira/browse/SPARK-9173
Project: Spark
Issue Type: Sub-task
Components: SQL
Reporter: Reynold Xin
UnionPushDown transforms only Union. It should also transform Intersect and
Except.
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