[jira] [Updated] (ARROW-7363) [Python] add combine_chunks method to ChunkedArray

["Joris Van den Bossche (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/ARROW-7363?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Joris Van den Bossche updated ARROW-7363:
-----------------------------------------
    Fix Version/s: 3.0.0

> [Python] add combine_chunks method to ChunkedArray
> --------------------------------------------------
>
>                 Key: ARROW-7363
>                 URL: https://issues.apache.org/jira/browse/ARROW-7363
>             Project: Apache Arrow
>          Issue Type: Bug
>          Components: Python
>    Affects Versions: 0.15.1
>            Reporter: marc abboud
>            Assignee: Andrew Wieteska
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 3.0.0
>
>          Time Spent: 1h 20m
>  Remaining Estimate: 0h
>
> Flatten() doesn't work on ChunkedArray. It returns only the ChunkedArray in a list without flattening anything.
> {code:java}
> // code placeholder
> aa = pa.array([[1],[2]])
> bb = pa.chunked_array([aa,aa])
>  
> bb.flatten()
> Out[15]:
> [<pyarrow.lib.ChunkedArray object> [ [ [ 1 ], [ 2 ] ], [ [ 1 ], [ 2 ] ] ]]
> Expected:
> [ <pyarrow.lib.Array object> [ 1, 2 ], <pyarrow.lib.Array object> [ 1, 2 ] ]
> {code}
>  



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