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  1. Spark
  2. SPARK-16026 Cost-based Optimizer Framework
  3. SPARK-19020

Cardinality estimation of aggregate operator

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

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          ZenWzh Zhenhua Wang
          ZenWzh Zhenhua Wang
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