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Posted to issues@spark.apache.org by "Yingyi Bu (Jira)" <ji...@apache.org> on 2021/03/31 04:59:00 UTC

[jira] [Created] (SPARK-34916) Reduce tree traversals in transform/resolve function families

Yingyi Bu created SPARK-34916:
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             Summary: Reduce tree traversals in transform/resolve function families
                 Key: SPARK-34916
                 URL: https://issues.apache.org/jira/browse/SPARK-34916
             Project: Spark
          Issue Type: Improvement
          Components: SQL
    Affects Versions: 3.1.1
            Reporter: Yingyi Bu
             Fix For: 3.2.0


Transform/resolve functions are called ~280k times per query on average for TPC-DS queries, which are way more than necessary. We can reduce those calls with early exit information and conditons.



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