KurtYoung commented on a change in pull request #8127:
[FLINK-12140][table-planner-blink] Support e2e sort merge join operator in
batch mode
URL: https://github.com/apache/flink/pull/8127#discussion_r274278517
##########
File path:
flink-table/flink-table-planner-blink/src/main/scala/org/apache/flink/table/plan/nodes/physical/batch/BatchExecSortMergeJoin.scala
##########
@@ -104,6 +117,109 @@ trait BatchExecSortMergeJoinBase extends
BatchExecJoinBase {
val rowCount = mq.getRowCount(this)
costFactory.makeCost(rowCount, cpuCost, 0, 0, sortMemCost)
}
+
+ /**
+ * Now must be full dam without two input operator chain.
+ * TODO two input operator chain
+ */
+ override def getDamBehavior: DamBehavior = {
+ DamBehavior.FULL_DAM
+// if (!leftSorted && !rightSorted) {
Review comment:
remove this?
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