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fix: use first 100MB to determine dtypes of CSV #492

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Merged
mplatzer merged 1 commit into from
Jun 18, 2025
Merged

fix: use first 100MB to determine dtypes of CSV #492

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2 changes: 1 addition & 1 deletion mostlyai/sdk/_data/file/table/csv.py
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Original file line number Diff line number Diff line change
Expand Up @@ -87,7 +87,7 @@ def _get_dataset_format(self, **kwargs):
# with the first file consisting of integers and the others of floats; so, there still
# might be scenarios where errors occur due to dtype mismatch in CSV chunks; in these
# cases we shall advise to convert the source data to Parquet
read_options=pa_csv.ReadOptions(block_size=10 * 1024 * 1024),
read_options=pa_csv.ReadOptions(block_size=100 * 1024 * 1024),
# add additional formats for datetime conversion
convert_options=pa_csv.ConvertOptions(
timestamp_parsers=[
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