godfreyhe commented on a change in pull request #13625:
URL: https://github.com/apache/flink/pull/13625#discussion_r506909706
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File path:
flink-table/flink-table-planner-blink/src/main/scala/org/apache/flink/table/planner/plan/nodes/exec/StreamExecNode.scala
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@@ -21,7 +21,19 @@ package org.apache.flink.table.planner.plan.nodes.exec
import org.apache.flink.table.planner.delegation.StreamPlanner
import org.apache.flink.table.planner.utils.Logging
+import java.util
+
/**
* Base class for stream ExecNode.
*/
-trait StreamExecNode[T] extends ExecNode[StreamPlanner, T] with Logging
+trait StreamExecNode[T] extends ExecNode[StreamPlanner, T] with Logging {
+
+ def getInputEdges: util.List[ExecEdge] = {
+ // TODO fill out the required shuffle for each stream exec node
+ val edges = new util.ArrayList[ExecEdge]()
+ for (_ <- 0 until getInputNodes.size()) {
+ edges.add(ExecEdge.DEFAULT)
+ }
+ edges
Review comment:
nit: can be simplified as `getInputNodes.map(_ => ExecEdge.DEFAULT)`
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