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  1. IMPALA
  2. IMPALA-11274

CNF Rewrite causes a regress in join node performance

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Details

    • Bug
    • Status: Resolved
    • Major
    • Resolution: Fixed
    • Impala 4.0.0, Impala 4.1.0
    • Impala 4.2.0, Impala 4.1.1
    • Frontend
    • None
    • ghx-label-4

    Description

      It appears that cnf rewrite can generate more predicates and presumably cause the same query to execute slower.

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        Issue Links

          is caused by

          Bug - A problem which impairs or prevents the functions of the product. IMPALA-9183 TPC-DS query 13 - customer_address predicates not propagated to scan

          • Major - Major loss of function.
          • Resolved
          is related to

          Bug - A problem which impairs or prevents the functions of the product. IMPALA-11770 Review Predicate arguments for impact of CNF rewrites

          • Major - Major loss of function.
          • Open

          Activity

            People

              MikaelSmith Michael Smith
              sql_forever Qifan Chen
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              Dates

                Created:
                Updated:
                Resolved: