pyarrow.dataset.FileFormat¶
- class pyarrow.dataset.FileFormat¶
Bases:
pyarrow.lib._Weakrefable- __init__(*args, **kwargs)¶
Methods
__init__(*args, **kwargs)inspect(self, file[, filesystem])Infer the schema of a file.
make_fragment(self, file[, filesystem])Make a FileFragment of this FileFormat.
make_write_options(self)Attributes
- default_extname¶
- default_fragment_scan_options¶
- inspect(self, file, filesystem=None)¶
Infer the schema of a file.
- make_fragment(self, file, filesystem=None, Expression partition_expression=None)¶
Make a FileFragment of this FileFormat. The filter may not reference fields absent from the provided schema. If no schema is provided then one will be inferred.
- make_write_options(self)¶