dongjoon-hyun commented on a change in pull request #25410: [SPARK-28690][SQL]
Add the `date_part` function for timestamps and dates
URL: https://github.com/apache/spark/pull/25410#discussion_r312788922
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/datetimeExpressions.scala
##########
@@ -1876,3 +1876,38 @@ case class Decade(child: Expression) extends
UnaryExpression with ImplicitCastIn
defineCodeGen(ctx, ev, c => s"$dtu.getDecade($c)")
}
}
+
+case class DatePart(field: Expression, source: Expression, child: Expression)
Review comment:
Of course, you can run SQL module test always when you are writing SQL PR.
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