Davies Liu created SPARK-16958:
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Summary: Reuse subqueries within single query
Key: SPARK-16958
URL: https://issues.apache.org/jira/browse/SPARK-16958
Project: Spark
Issue Type: New Feature
Components: SQL
Reporter: Davies Liu
Assignee: Davies Liu
There could be same subquery within a single query, we could reuse the result
without running it multiple times.
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