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Posted to issues@spark.apache.org by "Josh Rosen (JIRA)" <ji...@apache.org> on 2016/02/10 00:37:18 UTC

[jira] [Created] (SPARK-13254) Fix planning of TakeOrderedAndProject operator

Josh Rosen created SPARK-13254:
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             Summary: Fix planning of TakeOrderedAndProject operator
                 Key: SPARK-13254
                 URL: https://issues.apache.org/jira/browse/SPARK-13254
             Project: Spark
          Issue Type: Bug
          Components: SQL
    Affects Versions: 2.0.0
            Reporter: Josh Rosen
            Assignee: Josh Rosen


The patch for SPARK-8964 ("use Exchange to perform shuffle in Limit") inadvertently broke the planning of the TakeOrderedAndProject operator: because ReturnAnswer was the new root of the query plan, the TakeOrderedAndProject rule was unable to match before BasicOperators. We should fix this by moving all rules that match on ReturnAnswer to run at the start of the physical planning process.



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