kszucs commented on a change in pull request #8088:
URL: https://github.com/apache/arrow/pull/8088#discussion_r482042543
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File path: cpp/src/arrow/array/builder_base.h
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@@ -56,6 +56,8 @@ class ARROW_EXPORT ArrayBuilder {
/// skip shared pointers and just return a raw pointer
ArrayBuilder* child(int i) { return children_[i].get(); }
+ std::shared_ptr<ArrayBuilder> child_builder(int i) const { return
children_[i]; }
Review comment:
Updated.
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