dawidwys commented on a change in pull request #7967: [FLINK-11449][table]
Uncouple the Expression class from RexNodes
URL: https://github.com/apache/flink/pull/7967#discussion_r264751565
##########
File path:
flink-table/flink-table-planner/src/main/scala/org/apache/flink/table/expressions/call.scala
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@@ -40,9 +40,10 @@ import _root_.scala.collection.JavaConverters._
* General expression for unresolved function calls. The function can be a
built-in
* scalar function or a user-defined scalar function.
*/
-case class Call(functionName: String, args: Seq[Expression]) extends
PlannerExpression {
+case class UnresolvedCall(functionName: String, args: Seq[PlannerExpression])
Review comment:
Do we need the `UnresolvedCall`?
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