icexelloss commented on code in PR #36673:
URL: https://github.com/apache/arrow/pull/36673#discussion_r1272282709
##########
python/pyarrow/_compute.pyx:
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@@ -2789,6 +2794,83 @@ def register_scalar_function(func, function_name,
function_doc, in_types, out_ty
out_type, func_registry)
+def register_vector_function(func, function_name, function_doc, in_types,
out_type,
+ func_registry=None):
+ """
+ Register a user-defined vector function.
+
+ This API is EXPERIMENTAL.
+
+ A vector function is a function that executes vector
+ operations on arrays. Unlike scalar function, vector
+ function often has a grouping semantics and the output
Review Comment:
"grouping semantics" is another/short way of saying "output of a row depend
on other rows" (as supposed to scalar functions). I can just remove "grouping
semantics" and use "output of a row depend on other rows".
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