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Posted to issues@arrow.apache.org by "Wes McKinney (Jira)" <ji...@apache.org> on 2019/08/21 03:38:00 UTC

[jira] [Assigned] (ARROW-6227) [Python] pyarrow.array() shouldn't coerce np.nan to string

     [ https://issues.apache.org/jira/browse/ARROW-6227?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Wes McKinney reassigned ARROW-6227:
-----------------------------------

    Assignee: Wes McKinney

> [Python] pyarrow.array() shouldn't coerce np.nan to string
> ----------------------------------------------------------
>
>                 Key: ARROW-6227
>                 URL: https://issues.apache.org/jira/browse/ARROW-6227
>             Project: Apache Arrow
>          Issue Type: Bug
>          Components: Python
>    Affects Versions: 0.14.1
>            Reporter: Igor Yastrebov
>            Assignee: Wes McKinney
>            Priority: Major
>
> pa.array() by default regards np.nan as float value and fails on pa.array([np.nan, 'string']). It should also fail on pa.array(['string', np.nan]) instead of coercing it to null value.



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