pitrou commented on a change in pull request #10579:
URL: https://github.com/apache/arrow/pull/10579#discussion_r658061366
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File path: cpp/src/arrow/array/builder_base.h
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@@ -116,6 +116,10 @@ class ARROW_EXPORT ArrayBuilder {
/// This method is useful when appending null values to a parent nested type.
virtual Status AppendEmptyValues(int64_t length) = 0;
+ /// \brief Append a value from a scalar
+ virtual Status AppendScalar(const Scalar& scalar);
+ virtual Status AppendScalars(const ScalarVector& scalars);
Review comment:
I would also suggest the overload `AppendScalar(const Scalar& scalat,
int64_t nrepeats)` to append the same scalar a number of times.
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