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Posted to issues@spark.apache.org by "Liang-Chi Hsieh (JIRA)" <ji...@apache.org> on 2016/09/19 02:22:20 UTC

[jira] [Created] (SPARK-17590) Analyze CTE definitions at once

Liang-Chi Hsieh created SPARK-17590:
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             Summary: 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


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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