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Posted to github@arrow.apache.org by "coady (via GitHub)" <gi...@apache.org> on 2023/02/11 03:05:02 UTC

[GitHub] [arrow] coady commented on issue #14866: [C++] Remove internal GroupBy implementation

coady commented on issue #14866:
URL: https://github.com/apache/arrow/issues/14866#issuecomment-1426587463

   I think the [current `_group_by` interface](https://github.com/apache/arrow/blob/b056e07b8aefe73a26239da481d92a8562c41833/python/pyarrow/_compute.pyx#L2249) is awkward, because it requires target "names", which are only used for function arity. But it looks like #14867 will replace that anyway.
   
   Also, I've been using `_group_by` for aggregating batches, with out-of-core data. Whereas #14867 looks like it will require a table. Just something to consider, but I guess I could always wrap a single record batch into a table.
   
   Thanks.
   


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