[jira] [Assigned] (ARROW-6568) [C++][Python][Parquet] pyarrow.parquet crash writing zero-chunk dictionary-type column

["Benjamin Kietzman (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/ARROW-6568?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Benjamin Kietzman reassigned ARROW-6568:
----------------------------------------

    Assignee: Benjamin Kietzman

> [C++][Python][Parquet] pyarrow.parquet crash writing zero-chunk dictionary-type column
> --------------------------------------------------------------------------------------
>
>                 Key: ARROW-6568
>                 URL: https://issues.apache.org/jira/browse/ARROW-6568
>             Project: Apache Arrow
>          Issue Type: Bug
>          Components: Python
>    Affects Versions: 0.14.1
>         Environment: Pyarrow v0.14.1, manylinux1
>            Reporter: Adam Hooper
>            Assignee: Benjamin Kietzman
>            Priority: Major
>             Fix For: 0.15.0
>
>
> Trying to write a zero-RecordBatch file to parquet:
> {code:python}
> import pyarrow
> import pyarrow.parquet
> table = pyarrow.Table.from_batches([], pyarrow.schema([('A', pyarrow.dictionary(pyarrow.int32(), pyarrow.string()))]))
> pyarrow.parquet.write_table(table, 'x.parquet')
> {code}
> ... I receive an error and Python exits with exit code {{139}}:
> {noformat}
> WARNING: Logging before InitGoogleLogging() is written to STDERR
> F0915 18:37:23.099939     1 table.cc:64]  Check failed: (chunks.size()) > (0) cannot construct ChunkedArray from empty vector and omitted type
> *** Check failure stack trace: ***
> {noformat}



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