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Posted to issues@arrow.apache.org by "Wes McKinney (Jira)" <ji...@apache.org> on 2019/09/29 18:36:00 UTC
[jira] [Assigned] (ARROW-6115) [Python] support LargeList,
LargeString, LargeBinary in conversion to pandas
[ https://issues.apache.org/jira/browse/ARROW-6115?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Wes McKinney reassigned ARROW-6115:
-----------------------------------
Assignee: Joris Van den Bossche
> [Python] support LargeList, LargeString, LargeBinary in conversion to pandas
> ----------------------------------------------------------------------------
>
> Key: ARROW-6115
> URL: https://issues.apache.org/jira/browse/ARROW-6115
> Project: Apache Arrow
> Issue Type: Improvement
> Components: Python
> Reporter: Joris Van den Bossche
> Assignee: Joris Van den Bossche
> Priority: Major
> Labels: pull-request-available
> Fix For: 2.0.0
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> General python support for those 3 new types has been added: ARROW-6000, ARROW-6084
> However, one aspect that is not yet implemented is conversion to pandas (or numpy array):
> {code}
> In [67]: a = pa.array(['a', 'b', 'c'], pa.large_string())
> In [68]: a.to_pandas()
> ...
> ArrowNotImplementedError: large_utf8
> In [69]: pa.table({'a': a}).to_pandas()
> ...
> ArrowNotImplementedError: No known equivalent Pandas block for Arrow data of type large_string is known.
> {code}
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