ildipo opened a new issue, #35979:
URL: https://github.com/apache/arrow/issues/35979
### Describe the enhancement requested
Add basic window aggregation functionalities to Acero.
* windows are defined over segment column values, using a preceding and
following quantity to add/subtract to segment
* only finite windows are supported
* only sliding windows are supported
* only a single segment column is supported
* segment values must be unique
* segment values must be comparable
* windows can be inclusive/exclusive at both ends
### Component(s)
C++
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