Github user sujith71955 commented on a diff in the pull request: https://github.com/apache/spark/pull/21775#discussion_r204287713 --- Diff: docs/sql-programming-guide.md --- @@ -1843,6 +1843,7 @@ working with timestamps in `pandas_udf`s to get the best performance, see ## Upgrading From Spark SQL 2.3 to 2.4 + - Since Spark 2.4, Spark will display hive table description column `Last Access` value as `UNKNOWN` following the Hive system. --- End diff -- done.
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