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[jira] [Created] (ARROW-2744) Writing to parquet crashes when writing a ListArray of empty lists


Anton Daitche created ARROW-2744:
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             Summary: Writing to parquet crashes when writing a ListArray of empty lists 
                 Key: ARROW-2744
                 URL: https://issues.apache.org/jira/browse/ARROW-2744
             Project: Apache Arrow
          Issue Type: Bug
          Components: Python
    Affects Versions: 0.9.0
         Environment: Python Version: 3.6.3 (Anaconda)
OS: OSX and Linux
            Reporter: Anton Daitche


When writing a ListArray which contains only empty lists to Parquet, pyarrow crashes. Here is a minimal code snippet which reproduces the crash:
{code:java}
import pyarrow as pa
from pyarrow import parquet as pq

array = pa.array([[]], type=pa.list_(pa.int32()))
table = pa.Table.from_arrays([array], ["A"])
pq.write_table(table, "tmp.parq"){code}
When the ListArray has at leas one non-empty list, the issue disappears.

 



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