HyukjinKwon edited a comment on issue #26412: [SPARK-29774][SQL] Date and Timestamp type +/- null should be null as Postgres URL: https://github.com/apache/spark/pull/26412#issuecomment-565935837 Sorry, @cloud-fan, I just checked the cc. > The result is unexpected. In ResolveAlias, we only generate the alias if expression is resolved. How does pyspark generate alias for its Row object? cc @HyukjinKwon I don't think there's any differences for the column names being generated in PySpark specifically.
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