Github user fhueske commented on a diff in the pull request:
https://github.com/apache/flink/pull/1848#discussion_r60073978
--- Diff:
flink-optimizer/src/main/java/org/apache/flink/optimizer/dag/PartitionNode.java
---
@@ -90,13 +90,20 @@ public SemanticProperties getSemanticProperties() {
private final PartitionMethod pMethod;
private final Partitioner<?> customPartitioner;
private final DataDistribution distribution;
-
+ private final Ordering ordering;
+
public PartitionDescriptor(PartitionMethod pMethod, FieldSet
pKeys, Partitioner<?> customPartitioner, DataDistribution distribution) {
--- End diff --
Can you remove this constructor? I think the optimizer will fail if no
`ordering` is set.
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