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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2022/04/12 16:15:55 UTC

[GitHub] [arrow] pitrou commented on a diff in pull request #12460: ARROW-13530: [C++] Implement cumulative sum compute function

pitrou commented on code in PR #12460:
URL: https://github.com/apache/arrow/pull/12460#discussion_r848625537


##########
docs/source/python/api/compute.rst:
##########
@@ -45,6 +45,21 @@ Aggregations
    tdigest
    variance
 
+Cumulative Functions
+--------------------
+
+Cumulative functions are vector functions that perform a running total on its
+input and outputs an array containing the corresponding intermediate running values.

Review Comment:
   I don't think support for `RecordBatch` or `Table` makes sense. We don't do that for other single-column kernels.



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