gengliangwang commented on a change in pull request #33877:
URL: https://github.com/apache/spark/pull/33877#discussion_r703207364
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/datetimeExpressions.scala
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@@ -708,6 +708,19 @@ case class UnixSeconds(child: Expression) extends
TimestampToLongBase {
copy(child = newChild)
}
+// Internal expression used to get the raw UTC timestamp in pandas API on
Spark.
+// This is to work around casting timestamp_ntz to long disallowed by ANSI.
Review comment:
Thanks for the comment here!
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