Liang-Chi Hsieh created SPARK-17590:

             Summary: Analyze CTE definitions at once
                 Key: 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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