def __init__(self,
source,
metadata=None,
common_metadata=None,
memory_map=True):
self.reader = ParquetReader()
self.reader.open(source, use_memory_map=memory_map, metadata=metadata)
self.common_metadata = common_metadata
self._nested_paths_by_prefix = self._build_nested_paths()
def __init__(self, source, metadata=None):
self.reader = ParquetReader()
self.reader.open(source, metadata=metadata)
def __init__(self, source, metadata=None, common_metadata=None):
self.reader = ParquetReader()
source = _ensure_file(source)
self.reader.open(source, metadata=metadata)
self.common_metadata = common_metadata
self._nested_paths_by_prefix = self._build_nested_paths()