L. C. Hsieh created SPARK-32945:
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Summary: Avoid project combinatin when it will hurst performance
Key: SPARK-32945
URL: https://issues.apache.org/jira/browse/SPARK-32945
Project: Spark
Issue Type: Sub-task
Components: SQL
Affects Versions: 3.1.0
Reporter: L. C. Hsieh
Assignee: L. C. Hsieh
In some cases, project combination will hurt performance. We should avoid
project combination for that case.
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