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Posted to issues@spark.apache.org by "Allison Wang (Jira)" <ji...@apache.org> on 2021/07/13 20:26:00 UTC

[jira] [Created] (SPARK-36124) Support set operators to be on a correlation path

Allison Wang created SPARK-36124:
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             Summary: Support set operators to be on a correlation path
                 Key: SPARK-36124
                 URL: https://issues.apache.org/jira/browse/SPARK-36124
             Project: Spark
          Issue Type: Sub-task
          Components: SQL
    Affects Versions: 3.2.0
            Reporter: Allison Wang


A correlation path is defined as the sub-tree of all the operators that are on the path from the operator hosting the correlated expressions up to the operator producing the correlated values. Please see [https://github.com/apache/spark/blob/fbf53dee37129a493a4e5d5a007625b35f44fbda/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/CheckAnalysis.scala#L923-L939] for more details.

We want to support set operators such as union and intercept to be on a correlation path.



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