Github user chiwanpark commented on a diff in the pull request: https://github.com/apache/flink/pull/1052#discussion_r37998051 --- Diff: flink-optimizer/src/main/java/org/apache/flink/optimizer/operators/SortMergeJoinDescriptor.java --- @@ -99,7 +99,7 @@ public DualInputPlanNode instantiate(Channel in1, Channel in2, TwoInputNode node inputOrders = tmp; } - return new DualInputPlanNode(node, "Join("+node.getOperator().getName()+")", in1, in2, DriverStrategy.MERGE, this.keys1, this.keys2, inputOrders); + return new DualInputPlanNode(node, "Join("+node.getOperator().getName()+")", in1, in2, DriverStrategy.INNER_MERGE, this.keys1, this.keys2, inputOrders); --- End diff -- need spaces around `+` operator
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