[R] Add Cumsum and duplicated bindings to datasets in R
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Component: R
Status: needs champion
Type: enhancement
- Dominant language
- C++
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Description
### Describe the enhancement requested
I often use the open_dataset() interface in R to avoid swallowing everything into RAM, but I see that the cumsum (https://github.com/apache/arrow/issues/35180) and duplicated functions are not available in this case. Any hope to see them implemented in the future or any workaround (I cannot call collect() and then apply them due to ram issues).
Thanks!
### Component(s)
R
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