Cheng Hao created SPARK-5404:
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Summary: Statistic of Logical Plan is too aggresive
Key: SPARK-5404
URL: https://issues.apache.org/jira/browse/SPARK-5404
Project: Spark
Issue Type: Bug
Components: SQL
Reporter: Cheng Hao
The statistic number of a logical plan is quite helpful while do optimization
like join reordering, however, the default algorithm is too aggressive, which
probably lead to a totally wrong join order.
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