thisisnic commented on issue #30859:
URL: https://github.com/apache/arrow/issues/30859#issuecomment-4276020692
Sorry, reopening, realising this still is happening with other unsupported
types, e.g.
```
import pyarrow as pa
import pyarrow.parquet as pq
import os
table = pa.table({'x': pa.array([(1, 2, 3), (4, 5, 6)],
type=pa.month_day_nano_interval())})
pq.write_to_dataset(table=table, root_path='./interval_fail_dataset')
# ArrowNotImplementedError: Unhandled type for Arrow to Parquet schema
conversion:
# month_day_nano_interval
# Partial file left on disk:
for root, dirs, files in os.walk('./interval_fail_dataset'):
for f in files:
print(os.path.join(root, f))
./interval_fail_dataset/f6e605dbc0394c30b9a9ac43fb9d9402-0.parquet
```
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