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Posted to issues@spark.apache.org by "Kent Yao (Jira)" <ji...@apache.org> on 2020/03/23 07:16:00 UTC

[jira] [Created] (SPARK-31225) Override `sql` method for OuterReference

Kent Yao created SPARK-31225:
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             Summary: Override `sql` method for  OuterReference
                 Key: SPARK-31225
                 URL: https://issues.apache.org/jira/browse/SPARK-31225
             Project: Spark
          Issue Type: Improvement
          Components: SQL
    Affects Versions: 3.1.0
            Reporter: Kent Yao


OuterReference is LeafExpression, so it's children is Nil, which makes its SQL representation always be outer(). This makes our explain-command and error msg unclear when OuterReference exists



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