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  1. Spark
  2. SPARK-16026 Cost-based Optimizer Framework
  3. SPARK-17076

Cardinality estimation of join operator

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Details

    • Sub-task
    • Status: Resolved
    • Major
    • Resolution: Fixed
    • 2.0.0
    • 2.2.0
    • Optimizer, SQL
    • None

    Description

      support cardinality estimates for equi-join, Cartesian product join, and outer join, etc.

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            ZenWzh Zhenhua Wang Assign to me
            ron8hu Ron Hu
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