wuchong commented on a change in pull request #8629:
[FLINK-12088][table-runtime-blink] Introduce unbounded streaming
inner/left/right/full join operator
URL: https://github.com/apache/flink/pull/8629#discussion_r292271043
##########
File path:
flink-table/flink-table-planner-blink/src/main/scala/org/apache/flink/table/plan/nodes/physical/stream/StreamExecJoin.scala
##########
@@ -104,6 +110,14 @@ class StreamExecJoin(
new StreamExecJoin(cluster, traitSet, left, right, conditionExpr, joinType)
}
+
+ override def explainTerms(pw: RelWriter): RelWriter = {
+ super
+ .explainTerms(pw)
+ .item("leftInputSpec", analyzeJoinInput(left))
Review comment:
I think it would be better to have it, because it will effect performance a
lot.
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