kou commented on a change in pull request #8612:
URL: https://github.com/apache/arrow/pull/8612#discussion_r526611732
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File path: cpp/src/arrow/compute/api_vector.h
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@@ -165,8 +194,50 @@ Result<std::shared_ptr<Array>> NthToIndices(const Array&
values, int64_t n,
/// \param[in] ctx the function execution context, optional
/// \return offsets indices that would sort an array
ARROW_EXPORT
-Result<std::shared_ptr<Array>> SortToIndices(const Array& values,
- ExecContext* ctx = NULLPTR);
+Result<std::shared_ptr<Array>> SortIndices(const Array& values,
+ ExecContext* ctx = NULLPTR);
+
+/// \brief Returns the indices that would sort an array in the
+/// specified order.
+///
+/// Perform an indirect sort of array. The output array will contain
+/// indices that would sort an array, which would be the same length
+/// as input. Nulls will be stably partitioned to the end of the output.
Review comment:
Added.
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