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Posted to issues@spark.apache.org by "Gengliang Wang (Jira)" <ji...@apache.org> on 2020/01/15 06:26:00 UTC

[jira] [Created] (SPARK-30515) Refactor SimplifyBinaryComparison to reduce time complexity

Gengliang Wang created SPARK-30515:
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             Summary: Refactor SimplifyBinaryComparison to reduce time complexity
                 Key: SPARK-30515
                 URL: https://issues.apache.org/jira/browse/SPARK-30515
             Project: Spark
          Issue Type: Documentation
          Components: SQL
    Affects Versions: 3.0.0
            Reporter: Gengliang Wang
            Assignee: Gengliang Wang


The improvement of the rule SimplifyBinaryComparison in PR https://github.com/apache/spark/pull/27008 could bring performance regression in the optimizer. 
We need to improve the implementation and reduce the time complexity.



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