liupengcheng created SPARK-23124:
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Summary: Warn users when broacast big table in JoinSelection
instead of just run it
Key: SPARK-23124
URL: https://issues.apache.org/jira/browse/SPARK-23124
Project: Spark
Issue Type: Improvement
Components: SQL
Affects Versions: 2.1.0, 2.3.0
Reporter: liupengcheng
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