Adam Hooper created ARROW-6568:
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Summary: 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
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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