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https://issues.apache.org/jira/browse/SPARK-17590?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Apache Spark reassigned SPARK-17590:
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    Assignee: Apache Spark

> Analyze CTE definitions at once
> -------------------------------
>
>                 Key: SPARK-17590
>                 URL: https://issues.apache.org/jira/browse/SPARK-17590
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>            Reporter: Liang-Chi Hsieh
>            Assignee: Apache Spark
>
> We substitute logical plan with CTE definitions in the analyzer rule 
> CTESubstitution. A CTE definition can be used in the logical plan for 
> multiple times, and its analyzed logical plan should be the same. We should 
> not analyze CTE definitions multiple times when they are reused in the query.



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