Metadata for a fragment.

id¶

The ID of the fragment.

Type:

int

files¶

The data files of the fragment. Each data file must have the same number of rows. Each file stores a different subset of the columns.

Type:

List[DataFile]

physical_rows¶

The number of rows originally in this fragment. This is the number of rows in the data files before deletions.

Type:

int

deletion_file¶

The deletion file, if any.

Type:

Optional[DeletionFile]

row_id_meta¶

The row id metadata, if any.

Type:

Optional[RowIdMeta]

Public members¶

deletion_file : DeletionFile | None = None

row_id_meta : RowIdMeta | None = None

property num_deletions : int

The number of rows that have been deleted from this fragment.

property num_rows : int

The number of rows in this fragment after deletions.

data_files() → list[DataFile]

to_json() → dict

Get this as a simple JSON-serializable dictionary.

static from_json(json_data: str) → FragmentMetadata

FragmentMetadata(id: int, files: list[DataFile], physical_rows, ...)

Initialize self. See help(type(self)) for accurate signature.

__repr__()

Return repr(self).

__eq__(other)

Return self==value.

id : int

files : List[DataFile]

physical_rows : int