cloud-fan commented 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-561703286 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
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