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Cannot load the dataset split (in streaming mode) to extract the first rows.
Error code: StreamingRowsError
Exception: CastError
Message: Couldn't cast
frame_index: int64
sequence: int64
sequence_gap: int64
file: string
capture_timestamp_sec: double
host_dqbuf_monotonic_ns: int64
host_enqueue_monotonic_ns: int64
host_dequeue_monotonic_ns: int64
host_save_start_monotonic_ns: int64
host_save_end_monotonic_ns: int64
write_duration_ms: double
queue_depth_at_enqueue: int64
dropped_by_queue_total: int64
errors: list<item: null>
child 0, item: null
warnings: list<item: null>
child 0, item: null
sync_check: struct<camera_duration_sec: struct<wall: double, right: double, left: double>, sensor_duration_sec: (... 137 chars omitted)
child 0, camera_duration_sec: struct<wall: double, right: double, left: double>
child 0, wall: double
child 1, right: double
child 2, left: double
child 1, sensor_duration_sec: struct<right: double, left: double>
child 0, right: double
child 1, left: double
child 2, camera_duration_median_sec: double
child 3, sensor_duration_median_sec: double
child 4, delta_sec: double
child 5, ok: bool
drift_check: struct<streams: struct<wall: struct<drift_ms_per_min: double, status: string>, right: struct<drift_m (... 319 chars omitted)
child 0, streams: struct<wall: struct<drift_ms_per_min: double, status: string>, right: struct<drift_ms_per_min: doubl (... 75 chars omitted)
child 0, wall: struct<drift_ms_per_min: double, status: string>
child 0, drift_ms_per_min: double
child 1, status: string
child 1, right: struct<drift_ms_per_min: double
...
asured_fps: double, duration_sec: double (... 395 chars omitted)
child 0, cameras: struct<wall: struct<expected_fps: double, measured_fps: double, duration_sec: double, low_fps_second (... 378 chars omitted)
child 0, wall: struct<expected_fps: double, measured_fps: double, duration_sec: double, low_fps_seconds: list<item: (... 49 chars omitted)
child 0, expected_fps: double
child 1, measured_fps: double
child 2, duration_sec: double
child 3, low_fps_seconds: list<item: null>
child 0, item: null
child 4, sequence_gaps: int64
child 5, queue_drops: int64
child 1, right: struct<expected_fps: double, measured_fps: double, duration_sec: double, low_fps_seconds: list<item: (... 49 chars omitted)
child 0, expected_fps: double
child 1, measured_fps: double
child 2, duration_sec: double
child 3, low_fps_seconds: list<item: null>
child 0, item: null
child 4, sequence_gaps: int64
child 5, queue_drops: int64
child 2, left: struct<expected_fps: double, measured_fps: double, duration_sec: double, low_fps_seconds: list<item: (... 49 chars omitted)
child 0, expected_fps: double
child 1, measured_fps: double
child 2, duration_sec: double
child 3, low_fps_seconds: list<item: null>
child 0, item: null
child 4, sequence_gaps: int64
child 5, queue_drops: int64
to
{'session': Value('string'), 'errors': List(Value('null')), 'warnings': List(Value('null')), 'disk_check': {'total_bytes': Value('int64'), 'used_bytes': Value('int64'), 'free_bytes': Value('int64'), 'free_ratio': Value('float64')}, 'fps_check': {'cameras': {'wall': {'expected_fps': Value('float64'), 'measured_fps': Value('float64'), 'duration_sec': Value('float64'), 'low_fps_seconds': List(Value('null')), 'sequence_gaps': Value('int64'), 'queue_drops': Value('int64')}, 'right': {'expected_fps': Value('float64'), 'measured_fps': Value('float64'), 'duration_sec': Value('float64'), 'low_fps_seconds': List(Value('null')), 'sequence_gaps': Value('int64'), 'queue_drops': Value('int64')}, 'left': {'expected_fps': Value('float64'), 'measured_fps': Value('float64'), 'duration_sec': Value('float64'), 'low_fps_seconds': List(Value('null')), 'sequence_gaps': Value('int64'), 'queue_drops': Value('int64')}}}, 'sensor_check': {'sensors': {'right': {'expected_hz': Value('float64'), 'measured_hz': Value('float64'), 'duration_sec': Value('float64'), 'ouverture_constant': Value('null'), 'ouverture_min_mm': Value('null'), 'ouverture_max_mm': Value('null')}, 'left': {'expected_hz': Value('float64'), 'measured_hz': Value('float64'), 'duration_sec': Value('float64'), 'ouverture_constant': Value('null'), 'ouverture_min_mm': Value('null'), 'ouverture_max_mm': Value('null')}}}, 'sync_check': {'camera_duration_sec': {'wall': Value('float64'), 'right': Value('float64'), 'left': Value('float64')}, 'sensor_duration_sec': {'right': Value('float64'), 'left': Value('float64')}, 'camera_duration_median_sec': Value('float64'), 'sensor_duration_median_sec': Value('float64'), 'delta_sec': Value('float64'), 'ok': Value('bool')}, 'drift_check': {'streams': {'wall': {'drift_ms_per_min': Value('float64'), 'status': Value('string')}, 'right': {'drift_ms_per_min': Value('float64'), 'status': Value('string')}, 'left': {'drift_ms_per_min': Value('float64'), 'status': Value('string')}}, 'pairs': {'wall:right': {'relative_drift_ms_per_min': Value('float64'), 'status': Value('string')}, 'wall:left': {'relative_drift_ms_per_min': Value('float64'), 'status': Value('string')}, 'right:left': {'relative_drift_ms_per_min': Value('float64'), 'status': Value('string')}}}}
because column names don't match
Traceback: Traceback (most recent call last):
File "/src/services/worker/src/worker/utils.py", line 147, in get_rows_or_raise
return get_rows(
dataset=dataset,
...<4 lines>...
column_names=column_names,
)
File "/src/libs/libcommon/src/libcommon/utils.py", line 272, in decorator
return func(*args, **kwargs)
File "/src/services/worker/src/worker/utils.py", line 127, in get_rows
rows_plus_one = list(itertools.islice(safe_iter(ds, dataset=dataset), rows_max_number + 1))
File "/src/services/worker/src/worker/utils.py", line 483, in safe_iter
yield from ds.decode(False) if ds.features else ds
File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 2840, in __iter__
for key, example in ex_iterable:
^^^^^^^^^^^
File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 2373, in __iter__
for key, pa_table in self._iter_arrow():
~~~~~~~~~~~~~~~~^^
File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 2398, in _iter_arrow
for key, pa_table in self.ex_iterable._iter_arrow():
~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^
File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 536, in _iter_arrow
for key, pa_table in iterator:
^^^^^^^^
File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 419, in _iter_arrow
for key, pa_table in self.generate_tables_fn(**gen_kwags):
~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^
File "/usr/local/lib/python3.14/site-packages/datasets/packaged_modules/json/json.py", line 343, in _generate_tables
self._cast_table(pa_table, json_field_paths=json_field_paths),
~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.14/site-packages/datasets/packaged_modules/json/json.py", line 132, in _cast_table
pa_table = table_cast(pa_table, self.info.features.arrow_schema)
File "/usr/local/lib/python3.14/site-packages/datasets/table.py", line 2378, in table_cast
return cast_table_to_schema(table, schema)
File "/usr/local/lib/python3.14/site-packages/datasets/table.py", line 2306, in cast_table_to_schema
raise CastError(
...<3 lines>...
)
datasets.table.CastError: Couldn't cast
frame_index: int64
sequence: int64
sequence_gap: int64
file: string
capture_timestamp_sec: double
host_dqbuf_monotonic_ns: int64
host_enqueue_monotonic_ns: int64
host_dequeue_monotonic_ns: int64
host_save_start_monotonic_ns: int64
host_save_end_monotonic_ns: int64
write_duration_ms: double
queue_depth_at_enqueue: int64
dropped_by_queue_total: int64
errors: list<item: null>
child 0, item: null
warnings: list<item: null>
child 0, item: null
sync_check: struct<camera_duration_sec: struct<wall: double, right: double, left: double>, sensor_duration_sec: (... 137 chars omitted)
child 0, camera_duration_sec: struct<wall: double, right: double, left: double>
child 0, wall: double
child 1, right: double
child 2, left: double
child 1, sensor_duration_sec: struct<right: double, left: double>
child 0, right: double
child 1, left: double
child 2, camera_duration_median_sec: double
child 3, sensor_duration_median_sec: double
child 4, delta_sec: double
child 5, ok: bool
drift_check: struct<streams: struct<wall: struct<drift_ms_per_min: double, status: string>, right: struct<drift_m (... 319 chars omitted)
child 0, streams: struct<wall: struct<drift_ms_per_min: double, status: string>, right: struct<drift_ms_per_min: doubl (... 75 chars omitted)
child 0, wall: struct<drift_ms_per_min: double, status: string>
child 0, drift_ms_per_min: double
child 1, status: string
child 1, right: struct<drift_ms_per_min: double
...
asured_fps: double, duration_sec: double (... 395 chars omitted)
child 0, cameras: struct<wall: struct<expected_fps: double, measured_fps: double, duration_sec: double, low_fps_second (... 378 chars omitted)
child 0, wall: struct<expected_fps: double, measured_fps: double, duration_sec: double, low_fps_seconds: list<item: (... 49 chars omitted)
child 0, expected_fps: double
child 1, measured_fps: double
child 2, duration_sec: double
child 3, low_fps_seconds: list<item: null>
child 0, item: null
child 4, sequence_gaps: int64
child 5, queue_drops: int64
child 1, right: struct<expected_fps: double, measured_fps: double, duration_sec: double, low_fps_seconds: list<item: (... 49 chars omitted)
child 0, expected_fps: double
child 1, measured_fps: double
child 2, duration_sec: double
child 3, low_fps_seconds: list<item: null>
child 0, item: null
child 4, sequence_gaps: int64
child 5, queue_drops: int64
child 2, left: struct<expected_fps: double, measured_fps: double, duration_sec: double, low_fps_seconds: list<item: (... 49 chars omitted)
child 0, expected_fps: double
child 1, measured_fps: double
child 2, duration_sec: double
child 3, low_fps_seconds: list<item: null>
child 0, item: null
child 4, sequence_gaps: int64
child 5, queue_drops: int64
to
{'session': Value('string'), 'errors': List(Value('null')), 'warnings': List(Value('null')), 'disk_check': {'total_bytes': Value('int64'), 'used_bytes': Value('int64'), 'free_bytes': Value('int64'), 'free_ratio': Value('float64')}, 'fps_check': {'cameras': {'wall': {'expected_fps': Value('float64'), 'measured_fps': Value('float64'), 'duration_sec': Value('float64'), 'low_fps_seconds': List(Value('null')), 'sequence_gaps': Value('int64'), 'queue_drops': Value('int64')}, 'right': {'expected_fps': Value('float64'), 'measured_fps': Value('float64'), 'duration_sec': Value('float64'), 'low_fps_seconds': List(Value('null')), 'sequence_gaps': Value('int64'), 'queue_drops': Value('int64')}, 'left': {'expected_fps': Value('float64'), 'measured_fps': Value('float64'), 'duration_sec': Value('float64'), 'low_fps_seconds': List(Value('null')), 'sequence_gaps': Value('int64'), 'queue_drops': Value('int64')}}}, 'sensor_check': {'sensors': {'right': {'expected_hz': Value('float64'), 'measured_hz': Value('float64'), 'duration_sec': Value('float64'), 'ouverture_constant': Value('null'), 'ouverture_min_mm': Value('null'), 'ouverture_max_mm': Value('null')}, 'left': {'expected_hz': Value('float64'), 'measured_hz': Value('float64'), 'duration_sec': Value('float64'), 'ouverture_constant': Value('null'), 'ouverture_min_mm': Value('null'), 'ouverture_max_mm': Value('null')}}}, 'sync_check': {'camera_duration_sec': {'wall': Value('float64'), 'right': Value('float64'), 'left': Value('float64')}, 'sensor_duration_sec': {'right': Value('float64'), 'left': Value('float64')}, 'camera_duration_median_sec': Value('float64'), 'sensor_duration_median_sec': Value('float64'), 'delta_sec': Value('float64'), 'ok': Value('bool')}, 'drift_check': {'streams': {'wall': {'drift_ms_per_min': Value('float64'), 'status': Value('string')}, 'right': {'drift_ms_per_min': Value('float64'), 'status': Value('string')}, 'left': {'drift_ms_per_min': Value('float64'), 'status': Value('string')}}, 'pairs': {'wall:right': {'relative_drift_ms_per_min': Value('float64'), 'status': Value('string')}, 'wall:left': {'relative_drift_ms_per_min': Value('float64'), 'status': Value('string')}, 'right:left': {'relative_drift_ms_per_min': Value('float64'), 'status': Value('string')}}}}
because column names don't matchNeed help to make the dataset viewer work? Make sure to review how to configure the dataset viewer, and open a discussion for direct support.
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