Github user zero323 commented on the issue:
https://github.com/apache/spark/pull/17807
I thought about it before, but there are two or three problems:
- `base::grouping` has `...` signature so it is not possible without
changing behavior or adding nullary variant.
- It makes impossible to add `SparkR::grouping` which accepts
`characterOrColumn` (and this something that we should do to achieve consistent
API).
- Finally it won't work that well if we decide to use some form of NSE.
There can be some other problems I am not aware of.
In general I fully agree that we should avoid conflicts when possible, but
I am skeptical about dispatching hacks, which in some border cases could
actually brake user code.
There are some other options we can explore:
- Adding common prefix like `sql.some_name` - a bit to verbose for my taste.
- Using `_` suffix. This is fine but can be confusing for advanced user who
may expect standard vs. non standard evaluation.
I trust your judgment so if you think that generic option is the best I'll
go with it.
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