zagto commented on code in PR #13330:
URL: https://github.com/apache/arrow/pull/13330#discussion_r949705105
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cpp/src/arrow/compute/api_vector.h:
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@@ -580,6 +587,26 @@ Result<Datum> DictionaryEncode(
const DictionaryEncodeOptions& options =
DictionaryEncodeOptions::Defaults(),
ExecContext* ctx = NULLPTR);
+/// \brief Run-Length-encode values in an array-like object
+/// \param[in] value array-like input
+/// \param[in] ctx the function execution context, optional
+/// \return result with same shape and type as input
+///
+/// \since 9.0.0
+/// \note API not yet finalized
+ARROW_EXPORT
+Result<Datum> RunLengthEncode(const Datum& value, ExecContext* ctx = NULLPTR);
Review Comment:
Yes, there should be once there are options for this function. I should
probably remove RunLengthEncodeOptions for now, it does not have any options
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