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Posted to issues@arrow.apache.org by "Antoine Pitrou (JIRA)" <ji...@apache.org> on 2019/06/03 13:14:01 UTC

[jira] [Updated] (ARROW-504) [Python] Add adapter to write pandas.DataFrame in user-selected chunk size to streaming format

     [ https://issues.apache.org/jira/browse/ARROW-504?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Antoine Pitrou updated ARROW-504:
---------------------------------
    Component/s: Python

> [Python] Add adapter to write pandas.DataFrame in user-selected chunk size to streaming format
> ----------------------------------------------------------------------------------------------
>
>                 Key: ARROW-504
>                 URL: https://issues.apache.org/jira/browse/ARROW-504
>             Project: Apache Arrow
>          Issue Type: New Feature
>          Components: Python
>            Reporter: Wes McKinney
>            Assignee: Wes McKinney
>            Priority: Major
>             Fix For: 0.8.0
>
>
> While we can convert a {{pandas.DataFrame}} to a single (arbitrarily large) {{arrow::RecordBatch}}, it is not easy to create multiple small record batches -- we could do so in a streaming fashion and immediately write them into an {{arrow::io::OutputStream}}.



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