[jira] [Commented] (ARROW-6883) [C++] Support sending delta DictionaryBatch or replacement DictionaryBatch in IPC stream writer class

["Antoine Pitrou (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/ARROW-6883?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17208309#comment-17208309 ] 

Antoine Pitrou commented on ARROW-6883:
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Presumably this can be controlled by a flag in {{IpcWriteOptions}}.

> [C++] Support sending delta DictionaryBatch or replacement DictionaryBatch in IPC stream writer class
> -----------------------------------------------------------------------------------------------------
>
>                 Key: ARROW-6883
>                 URL: https://issues.apache.org/jira/browse/ARROW-6883
>             Project: Apache Arrow
>          Issue Type: New Feature
>          Components: C++
>            Reporter: Wes McKinney
>            Priority: Major
>             Fix For: 3.0.0
>
>
> I didn't see other JIRA issues about this, but this is one significant matter to have complete columnar format coverage in the C++ library.
> This functionality will flow through to the various bindings, so it would be helpful to add unit tests to assert that things work correctly e.g. in Python from an end-user perspective



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