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https://issues.apache.org/jira/browse/ARROW-3200?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16761811#comment-16761811
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Wes McKinney commented on ARROW-3200:
-------------------------------------
cc [~pitrou], for thoughts. My opinion is that we should make
{{arrow::DictionaryType}} into a virtual interface and define a
{{MutableDictionary}} subclass to permit the Flight client or server to add the
dictionary when the message comes across the wire. This will require some
refactoring in the IPC code to permit schemas to be decoded while leaving the
dictionaries temporarily null
> [C++] Add support for reading Flight streams with dictionaries
> --------------------------------------------------------------
>
> Key: ARROW-3200
> URL: https://issues.apache.org/jira/browse/ARROW-3200
> Project: Apache Arrow
> Issue Type: Improvement
> Components: C++
> Reporter: Wes McKinney
> Priority: Major
> Labels: flight
> Fix For: 0.13.0
>
>
> Some work is needed to handle schemas sent separately from their
> dictionaries, i.e. ARROW-3144. I'm going to punt on implementing support for
> this in the initial C++ Flight client
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