Github user StephanEwen commented on a diff in the pull request:
https://github.com/apache/incubator-flink/pull/42#discussion_r14508952
--- Diff:
stratosphere-compiler/src/main/java/eu/stratosphere/compiler/operators/MapPartitionDescriptor.java
---
@@ -0,0 +1,60 @@
+/***********************************************************************************************************************
+ * Copyright (C) 2010-2013 by the Stratosphere project
(http://stratosphere.eu)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may
not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
express or implied. See the License for the
+ * specific language governing permissions and limitations under the
License.
+
**********************************************************************************************************************/
+
+package eu.stratosphere.compiler.operators;
+
+import java.util.Collections;
+import java.util.List;
+
+import eu.stratosphere.compiler.dag.SingleInputNode;
+import eu.stratosphere.compiler.dataproperties.GlobalProperties;
+import eu.stratosphere.compiler.dataproperties.LocalProperties;
+import eu.stratosphere.compiler.dataproperties.RequestedGlobalProperties;
+import eu.stratosphere.compiler.dataproperties.RequestedLocalProperties;
+import eu.stratosphere.compiler.plan.Channel;
+import eu.stratosphere.compiler.plan.SingleInputPlanNode;
+import eu.stratosphere.pact.runtime.task.DriverStrategy;
+
+
+public class MapPartitionDescriptor extends OperatorDescriptorSingle {
+
+ @Override
+ public DriverStrategy getStrategy() {
+ return DriverStrategy.MAP;
--- End diff --
This needs to be MAP_PARTITION.
In your code, I guess the strategy is never taken from here, but still,
this is a setup for future bugs.
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