Github user twilmes commented on the pull request:
https://github.com/apache/incubator-tinkerpop/pull/155#issuecomment-159109545
Tests all ran fine. I did run into an issue trying the decr behavior.
Query with modern graph was:
```
gremlin> g.V().hasLabel("person").order().by("age", valueDecr)
java.lang.Integer cannot be cast to java.util.Map$Entry
Display stack trace? [yN] y
java.lang.ClassCastException: java.lang.Integer cannot be cast to
java.util.Map$Entry
at
org.apache.tinkerpop.gremlin.process.traversal.Order$6.compare(Order.java:83)
at
org.apache.tinkerpop.gremlin.process.traversal.step.util.ElementValueComparator.compare(ElementValueComparator.java:49)
at
org.apache.tinkerpop.gremlin.process.traversal.step.util.ElementValueComparator.compare(ElementValueComparator.java:29)
at
org.apache.tinkerpop.gremlin.process.traversal.step.map.OrderGlobalStep$ComparatorTraverser.compare(OrderGlobalStep.java:123)
at
org.apache.tinkerpop.gremlin.process.traversal.step.map.OrderGlobalStep$ComparatorTraverser.compare(OrderGlobalStep.java:113)
at
org.apache.tinkerpop.gremlin.util.function.ChainedComparator.compare(ChainedComparator.java:42)
```
It works if I do `order(local)` but I expected it to behave the same way
your test for the incrementing version worked
`g.V().hasLabel("person").order().by("age")`
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