Takuya Ueshin created SPARK-35537:
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Summary: Introduce a util function to check whether the underlying
expressions of the columns are the same.
Key: SPARK-35537
URL: https://issues.apache.org/jira/browse/SPARK-35537
Project: Spark
Issue Type: Improvement
Components: PySpark
Affects Versions: 3.2.0
Reporter: Takuya Ueshin
In pandas on Spark, there are some places checking the underlying expressions
of columns are the same or not, but it's done one-by-one. We should introduce a
util function for it.
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