Github user twalthr commented on a diff in the pull request:
https://github.com/apache/flink/pull/6201#discussion_r198154676
--- Diff:
flink-libraries/flink-table/src/main/scala/org/apache/flink/table/plan/nodes/PhysicalTableSourceScan.scala
---
@@ -39,9 +39,12 @@ abstract class PhysicalTableSourceScan(
override def deriveRowType(): RelDataType = {
val flinkTypeFactory =
cluster.getTypeFactory.asInstanceOf[FlinkTypeFactory]
- val streamingTable = table.unwrap(classOf[TableSourceTable[_]]) match {
- case _: StreamTableSourceTable[_] => true
- case _: BatchTableSourceTable[_] => false
+ val streamingTable = table.unwrap(classOf[TableSourceSinkTable[_, _]])
match {
+ case t: TableSourceSinkTable[_, _] => t.tableSourceTableOpt match {
+ case _: StreamTableSourceTable[_] => true
--- End diff --
The pattern are incorrect since the method returns an option.
---