DataRef
ComponentA reference from a record to a file written beside it: where it is, how it is encoded, how big it is, and the digest that ties it to the record naming it.
Properties
pathstringPath to the file, relative to the record that names it.
encodingstringHow the file is written. Two digests are comparable only if they share one.
one of
"parquet"algorithmstringHash algorithm, recorded so a hash is verifiable rather than merely comparable.
one of
"sha256""sha512""sha384""sha224""sha3-256""sha3-512""blake2b""blake2s""sha1""md5"hashstringHash digest of the file's bytes, as hex.
bytesinteger≥ 0Size of the file.
n_rowsinteger | null≥ 0Rows, when the referenced file is a table.
n_colsinteger | null≥ 0Columns, when the referenced file is a table.
Relationships
Used by