Liang-Chi Hsieh created SPARK-6224:
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Summary: Also collect NamedExpressions in PhysicalOperation
Key: SPARK-6224
URL: https://issues.apache.org/jira/browse/SPARK-6224
Project: Spark
Issue Type: Improvement
Components: SQL
Reporter: Liang-Chi Hsieh
Priority: Minor
Currently in PhysicalOperation, only Alias expressions are collected.
Similarly, NamedExpression can be collected for substitution.
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