cloud-fan commented on a change in pull request #28840:
URL: https://github.com/apache/spark/pull/28840#discussion_r441481923
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/plans/logical/v2Commands.scala
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@@ -516,3 +516,8 @@ case class CommentOnNamespace(child: LogicalPlan, comment:
String) extends Comma
case class CommentOnTable(child: LogicalPlan, comment: String) extends Command
{
override def children: Seq[LogicalPlan] = child :: Nil
}
+
+/**
+ * The logical plan of the REFRESH FUNCTION command that works for v2 catalogs.
+ */
+case class RefreshFunction(func: Seq[String]) extends Command
Review comment:
Can we create a `UnresolvedFunc`, similar to `UnresolvedTable`?
The key point is to do the resolution in the analyzer, not at runtime in
`RefreshFunctionCommand.run`.
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