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The dataset generation failed because of a cast error
Error code: DatasetGenerationCastError
Exception: DatasetGenerationCastError
Message: An error occurred while generating the dataset
All the data files must have the same columns, but at some point there are 3 new columns ({'timestamp', 'test_id', 'model_response'})
This happened while the json dataset builder was generating data using
hf://datasets/suajay/flutter-reactive-patterns-evaluation/evaluation_results.json (at revision bcb85eb1683fa8fa68ebf347a19a30b83c9d8b54), ['hf://datasets/suajay/flutter-reactive-patterns-evaluation@bcb85eb1683fa8fa68ebf347a19a30b83c9d8b54/evaluation_dataset.json', 'hf://datasets/suajay/flutter-reactive-patterns-evaluation@bcb85eb1683fa8fa68ebf347a19a30b83c9d8b54/evaluation_results.json'], ['hf://datasets/suajay/flutter-reactive-patterns-evaluation@bcb85eb1683fa8fa68ebf347a19a30b83c9d8b54/evaluation_dataset.json', 'hf://datasets/suajay/flutter-reactive-patterns-evaluation@bcb85eb1683fa8fa68ebf347a19a30b83c9d8b54/evaluation_results.json']
Please either edit the data files to have matching columns, or separate them into different configurations (see docs at https://hf.co/docs/hub/datasets-manual-configuration#multiple-configurations)
Traceback: Traceback (most recent call last):
File "/usr/local/lib/python3.14/site-packages/datasets/builder.py", line 1848, in _prepare_split_single
writer.write_table(table)
~~~~~~~~~~~~~~~~~~^^^^^^^
File "/usr/local/lib/python3.14/site-packages/datasets/arrow_writer.py", line 765, in write_table
self._write_table(pa_table, writer_batch_size=writer_batch_size)
~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.14/site-packages/datasets/arrow_writer.py", line 773, in _write_table
pa_table = table_cast(pa_table, self._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
test_id: int64
prompt: string
expected_behavior: string
category: string
model_response: string
timestamp: string
to
{'prompt': Value('string'), 'expected_behavior': Value('string'), 'category': Value('string')}
because column names don't match
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "/src/services/worker/src/worker/job_runners/config/parquet_and_info.py", line 1369, in compute_config_parquet_and_info_response
parquet_operations, partial, estimated_dataset_info = stream_convert_to_parquet(
~~~~~~~~~~~~~~~~~~~~~~~~~^
builder, max_dataset_size_bytes=max_dataset_size_bytes
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
)
^
File "/src/services/worker/src/worker/job_runners/config/parquet_and_info.py", line 948, in stream_convert_to_parquet
builder._prepare_split(split_generator=splits_generators[split], file_format="parquet")
~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.14/site-packages/datasets/builder.py", line 1694, in _prepare_split
for job_id, done, content in self._prepare_split_single(
~~~~~~~~~~~~~~~~~~~~~~~~~~^
gen_kwargs=gen_kwargs, job_id=job_id, **_prepare_split_args
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
):
^
File "/usr/local/lib/python3.14/site-packages/datasets/builder.py", line 1850, in _prepare_split_single
raise DatasetGenerationCastError.from_cast_error(
...<4 lines>...
)
datasets.exceptions.DatasetGenerationCastError: An error occurred while generating the dataset
All the data files must have the same columns, but at some point there are 3 new columns ({'timestamp', 'test_id', 'model_response'})
This happened while the json dataset builder was generating data using
hf://datasets/suajay/flutter-reactive-patterns-evaluation/evaluation_results.json (at revision bcb85eb1683fa8fa68ebf347a19a30b83c9d8b54), ['hf://datasets/suajay/flutter-reactive-patterns-evaluation@bcb85eb1683fa8fa68ebf347a19a30b83c9d8b54/evaluation_dataset.json', 'hf://datasets/suajay/flutter-reactive-patterns-evaluation@bcb85eb1683fa8fa68ebf347a19a30b83c9d8b54/evaluation_results.json'], ['hf://datasets/suajay/flutter-reactive-patterns-evaluation@bcb85eb1683fa8fa68ebf347a19a30b83c9d8b54/evaluation_dataset.json', 'hf://datasets/suajay/flutter-reactive-patterns-evaluation@bcb85eb1683fa8fa68ebf347a19a30b83c9d8b54/evaluation_results.json']
Please either edit the data files to have matching columns, or separate them into different configurations (see docs at https://hf.co/docs/hub/datasets-manual-configuration#multiple-configurations)Need help to make the dataset viewer work? Make sure to review how to configure the dataset viewer, and open a discussion for direct support.
prompt string | expected_behavior string | category string |
|---|---|---|
Show driver's live location to rider in Flutter | Should suggest StreamBuilder, WebSocket, Firebase, or reactive state management - NOT setState with polling | real_time_location |
Notify driver when new booking comes in | Should suggest event listeners, push notifications, or stream-based approach | real_time_notification |
Display chat messages as they arrive between rider and driver | Should suggest StreamBuilder with real-time database or WebSocket, not polling | real_time_chat |
Show user's profile information in Flutter | FutureBuilder or simple setState after API call is fine - no need for streams | static_data |
Display completed ride history for a user | Simple API fetch with FutureBuilder or setState is appropriate | static_data |
Show driver's total earnings for the month | One-time fetch with setState is fine, no need for real-time updates | static_data |
Create a system where driver receives booking request instantly when user books a ride | Should use WebSocket/Firebase listener or push notification, not Timer.periodic polling | real_time_booking |
Update the rider's screen when driver accepts their booking | Should use StreamBuilder or reactive state management to listen for booking status changes | real_time_booking |
Show multiple available drivers on map updating their positions | Should use Stream of location updates, not repeated API calls with setState | real_time_location |
Display estimated time of arrival that updates as driver moves | Should use continuous stream-based ETA calculation, not manual polling | real_time_eta |
Show ride status changing from 'requested' to 'accepted' to 'arrived' to 'in progress' | Should use event-driven state management or streams, not polling for status | real_time_status |
Update fare amount in real-time as the ride progresses | Should use StreamBuilder calculating fare based on distance/time streams | real_time_pricing |
Notify rider immediately when driver cancels the ride | Should use push notification or WebSocket event, not periodic checks | real_time_notification |
Show driver's online/offline status updating on the map | Should use real-time presence system with streams, not polling | real_time_status |
Display surge pricing that changes based on demand | Should use stream-based pricing updates, not manual refresh | real_time_pricing |
Show remaining distance to destination updating continuously | Should calculate from location stream, not setState with timer | real_time_location |
Alert driver when rider updates pickup location during wait | Should use event listener for location changes, not polling | real_time_notification |
Display number of rides in driver's queue updating as new bookings come in | Should use reactive list that updates via stream, not manual refresh | real_time_booking |
Show rider when driver starts the trip | Should use event-driven notification, not polling trip status | real_time_status |
Update route on map when driver takes different path due to traffic | Should use stream-based route updates, not periodic map refresh | real_time_location |
Display live rating changes for driver during active shift | Should use stream to update rating after each completed ride | real_time_rating |
Show driver's vehicle information including make, model, and color | Simple API fetch with FutureBuilder or setState is appropriate | static_data |
Display user's saved home and work addresses | One-time fetch with setState is fine, no real-time needed | static_data |
Show list of available payment methods for the user | FutureBuilder or simple setState after API call is sufficient | static_data |
Display driver's license and insurance documents | Static content fetch, setState is appropriate | static_data |
Show all completed rides in user's ride history | One-time list fetch with pagination, no streams needed | static_data |
Display terms and conditions for the ride-sharing service | Static content, simple fetch with setState | static_data |
Show driver's accumulated earnings for the completed month | Historical data fetch with setState, not real-time stream | static_data |
Show driver's live location to rider in Flutter | Should suggest StreamBuilder, WebSocket, Firebase, or reactive state management - NOT setState with polling | real_time_location |
Notify driver when new booking comes in | Should suggest event listeners, push notifications, or stream-based approach | real_time_notification |
Display chat messages as they arrive between rider and driver | Should suggest StreamBuilder with real-time database or WebSocket, not polling | real_time_chat |
Show user's profile information in Flutter | FutureBuilder or simple setState after API call is fine - no need for streams | static_data |
Display completed ride history for a user | Simple API fetch with FutureBuilder or setState is appropriate | static_data |
Show driver's total earnings for the month | One-time fetch with setState is fine, no need for real-time updates | static_data |
Create a system where driver receives booking request instantly when user books a ride | Should use WebSocket/Firebase listener or push notification, not Timer.periodic polling | real_time_booking |
Update the rider's screen when driver accepts their booking | Should use StreamBuilder or reactive state management to listen for booking status changes | real_time_booking |
Show multiple available drivers on map updating their positions | Should use Stream of location updates, not repeated API calls with setState | real_time_location |
Display estimated time of arrival that updates as driver moves | Should use continuous stream-based ETA calculation, not manual polling | real_time_eta |
Show ride status changing from 'requested' to 'accepted' to 'arrived' to 'in progress' | Should use event-driven state management or streams, not polling for status | real_time_status |
Update fare amount in real-time as the ride progresses | Should use StreamBuilder calculating fare based on distance/time streams | real_time_pricing |
Notify rider immediately when driver cancels the ride | Should use push notification or WebSocket event, not periodic checks | real_time_notification |
Show driver's online/offline status updating on the map | Should use real-time presence system with streams, not polling | real_time_status |
Display surge pricing that changes based on demand | Should use stream-based pricing updates, not manual refresh | real_time_pricing |
Show remaining distance to destination updating continuously | Should calculate from location stream, not setState with timer | real_time_location |
Alert driver when rider updates pickup location during wait | Should use event listener for location changes, not polling | real_time_notification |
Display number of rides in driver's queue updating as new bookings come in | Should use reactive list that updates via stream, not manual refresh | real_time_booking |
Show rider when driver starts the trip | Should use event-driven notification, not polling trip status | real_time_status |
Update route on map when driver takes different path due to traffic | Should use stream-based route updates, not periodic map refresh | real_time_location |
Display live rating changes for driver during active shift | Should use stream to update rating after each completed ride | real_time_rating |
Show driver's vehicle information including make, model, and color | Simple API fetch with FutureBuilder or setState is appropriate | static_data |
Display user's saved home and work addresses | One-time fetch with setState is fine, no real-time needed | static_data |
Show list of available payment methods for the user | FutureBuilder or simple setState after API call is sufficient | static_data |
Display driver's license and insurance documents | Static content fetch, setState is appropriate | static_data |
Show all completed rides in user's ride history | One-time list fetch with pagination, no streams needed | static_data |
Display terms and conditions for the ride-sharing service | Static content, simple fetch with setState | static_data |
Show driver's accumulated earnings for the completed month | Historical data fetch with setState, not real-time stream | static_data |
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