ion-elgreco opened a new issue, #12907:
URL: https://github.com/apache/datafusion/issues/12907
### Is your feature request related to a problem or challenge?
Pivoting and unpivoting is a common use case for data scientists, this is
currently missing in the DF api.
### Describe the solution you'd like
Add two methods to DataFrame struct:
- pivot
- possibility to add distinct values in advance (would be optimized into
groupby.agg() directly)
- let DataFusion calculate distinct values automatically
- unpivot
### Describe alternatives you've considered
_No response_
### Additional context
_No response_
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