mrkn commented on a change in pull request #7898:
URL: https://github.com/apache/arrow/pull/7898#discussion_r469298490
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File path: cpp/src/arrow/array/builder_dict.h
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@@ -409,6 +409,10 @@ class DictionaryBuilder : public
internal::DictionaryBuilderBase<AdaptiveIntBuil
using BASE = internal::DictionaryBuilderBase<AdaptiveIntBuilder, T>;
using BASE::BASE;
+ Status ExpandIndexByteWidth(uint8_t new_index_byte_width) {
+ return BASE::indices_builder_.ExpandIntSize(new_index_byte_width);
Review comment:
@pitrou I've done to do this. Could you please review this again?
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