Tanel Kiis created SPARK-34565:
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Summary: Collapse Window nodes with Project between them
Key: SPARK-34565
URL: https://issues.apache.org/jira/browse/SPARK-34565
Project: Spark
Issue Type: Bug
Components: SQL
Affects Versions: 3.2.0
Reporter: Tanel Kiis
The CollapseWindow optimizer rule can be imroved to also collapse Window nodes,
that have a Project between them. This sort of Window - Project - Window chains
will happen when chaining the dataframe.withColumn calls.
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