[jira] [Created] (ARROW-9456) [Python] Dataset segfault when not importing pyarrow.parquet

["Maarten Breddels (Jira)" <ji...@apache.org>]

Maarten Breddels created ARROW-9456:
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             Summary: [Python] Dataset segfault when not importing pyarrow.parquet 
                 Key: ARROW-9456
                 URL: https://issues.apache.org/jira/browse/ARROW-9456
             Project: Apache Arrow
          Issue Type: Bug
          Components: Python
            Reporter: Maarten Breddels


To reproduce:
# import pyarrow.parquet # if we skip this...
import pyarrow as pa
import pyarrow.dataset as ds
import glob
ds = pa.dataset.dataset('/data/taxi_parquet/data_0.parquet')
ds.to_table() # this will crash
 
$ python pyarrow/crash.py dev
terminate called after throwing an instance of 'parquet::ParquetException'
 what(): The file only has 19 columns, requested metadata for column: 1049198736
[1] 1559395 abort (core dumped) python pyarrow/crash.py
 
When the import is there, it will work fine.
 



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