joyemang33 commented on issue #2138:
URL:
https://github.com/apache/incubator-hugegraph/issues/2138#issuecomment-1450161771
> Sorry, it expects a fold() step and should be:
`g.E().order().by(values("prop10").fold().min(local))`.
>
> A further question, in this scene why not use this way
`g.E().order().by("prop10")`?
Hi, Many thanks again for your valuable feedback, and the
`g.E().order().by("prop10")` is OK to execute which helps me a lot.
However, I try the
```hugegraph.traversal().E().order().by(values("prop10").fold().min(local))```
where still returns an unexpected exception
```java.lang.IllegalArgumentException```.
In my opinion, there may be some bugs during the execution of the latter
query, which could be similar to the issue encountered previously (#2124). My
intention is to order the edges based on the minimum property value of "prop10"
among their out-vertices. However, when I tried to execute the query
```hugegraph.traversal().E().order().by(__.outV().values("prop10").fold().min(local))```,
it resulted in an unexpected exception.
I noticed that
```hugegraph.traversal().E().order().by(values("prop10").min(local))``` is a
reduction of the above query, and the above query might be applicable in some
contexts for some users. Would it be possible for you to verify whether there
is a bug in the execution process? Your assistance in resolving this issue
would be greatly appreciated.
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