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Rok Mihevc commented on ARROW-4776: ----------------------------------- This issue has been migrated to [issue #21295|https://github.com/apache/arrow/issues/21295] on GitHub. Please see the [migration documentation|https://github.com/apache/arrow/issues/14542] for further details. > [C++] DictionaryBuilder should support bootstrapping from an existing dict > type > ------------------------------------------------------------------------------- > > Key: ARROW-4776 > URL: https://issues.apache.org/jira/browse/ARROW-4776 > Project: Apache Arrow > Issue Type: Improvement > Components: C++ > Reporter: Francois Saint-Jacques > Assignee: Ben Kietzman > Priority: Minor > Labels: pull-request-available > Fix For: 0.13.0 > > Time Spent: 50m > Remaining Estimate: 0h > > This would mean adding a new DictionaryBuilder constructor that receives a > dictionary type and performs a lazy deep copy if there's any modification. > We'll have to investigate how this translate in API ergonomics. -- This message was sent by Atlassian Jira (v8.20.10#820010)