[jira] [Updated] (ARROW-1214) [Python] Add classes / functions to enable stream message components to be handled outside of the stream reader class

["Rok Mihevc (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/ARROW-1214?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Rok Mihevc updated ARROW-1214:
------------------------------
    External issue URL: https://github.com/apache/arrow/issues/17004

> [Python] Add classes / functions to enable stream message components to be handled outside of the stream reader class
> ---------------------------------------------------------------------------------------------------------------------
>
>                 Key: ARROW-1214
>                 URL: https://issues.apache.org/jira/browse/ARROW-1214
>             Project: Apache Arrow
>          Issue Type: New Feature
>          Components: Python
>            Reporter: Wes McKinney
>            Assignee: Wes McKinney
>            Priority: Major
>             Fix For: 0.5.0
>
>
> This will be helpful in messaging / RPC scenarios where the message components are sent in multiple streams (e.g. schema negotation first, then record batches later)
> * Class for holding a single serialized message, able to indicate what kind of message it is
> * Read schema from list of one or more messages (if there are dictionaries, there will be multiple messages, otherwise only one)
> * Read record batch from a message given the schema



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