Github user pnowojski commented on a diff in the pull request:
https://github.com/apache/flink/pull/6323#discussion_r202352869
--- Diff:
flink-libraries/flink-table/src/main/scala/org/apache/flink/table/plan/nodes/logical/FlinkLogicalTableSourceScan.scala
---
@@ -52,12 +52,9 @@ class FlinkLogicalTableSourceScan(
override def deriveRowType(): RelDataType = {
val flinkTypeFactory =
cluster.getTypeFactory.asInstanceOf[FlinkTypeFactory]
val streamingTable = table.unwrap(classOf[TableSourceSinkTable[_, _]])
match {
- case t: TableSourceSinkTable[_, _] => t.tableSourceTableOpt match {
- case Some(_: StreamTableSourceTable[_]) => true
- case Some(_: BatchTableSourceTable[_]) => false
- case _ => throw TableException(s"Unknown Table type
${t.getClass}.")
- }
- case t => throw TableException(s"Unknown Table type ${t.getClass}.")
+ case t: TableSourceSinkTable[_, _] if t.isStreamSourceTable => true
+ // null
--- End diff --
drop `//null` ?
---
