Github user fhueske commented on a diff in the pull request:
https://github.com/apache/flink/pull/1838#discussion_r59749772
--- Diff:
flink-optimizer/src/test/java/org/apache/flink/optimizer/operators/CoGroupGlobalPropertiesCompatibilityTest.java
---
@@ -95,6 +97,32 @@ public int partition(Object key, int numPartitions) {
assertTrue(descr.areCompatible(reqLeft,
reqRight, propsLeft, propsRight));
}
+
+ TestDistribution dist1 = new TestDistribution(1);
+ TestDistribution dist2 = new TestDistribution(1);
+
+ // test compatible range partitioning
+ {
--- End diff --
Can you add a checks with two keys, one DESC and one ASC?
Orders of both should be the same to check if it is correctly identified as
compatible.
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