Ron Hu created SPARK-16990:
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Summary: Define the data structure to hold the statistics for CBO
Key: SPARK-16990
URL: https://issues.apache.org/jira/browse/SPARK-16990
Project: Spark
Issue Type: Sub-task
Components: Optimizer
Affects Versions: 2.1.0
Reporter: Ron Hu
Fix For: 2.1.0
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