Github user Leemoonsoo commented on the issue:
https://github.com/apache/zeppelin/pull/2098
@1ambda Great work!!!
Looks great to me!
I think it's worth to move usages and examples in this PR description under
`/docs`.
Where do you think this information can be placed?
We didn't have any unittest for pivot transformation. So it was hard to
improve / change without any side effects. So having some basic unittest for
advanced transformation will help other people add and improve the feature much
faster.
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