daft.Expression.binary.slice#
- Expression.binary.slice(start: daft.expressions.expressions.Expression | int, length: Optional[Union[Expression, int]] = None) Expression[source]#
Returns a slice of each binary string.
Example
>>> import daft >>> df = daft.from_pydict({"x": [b"Hello World", b"\xff\xfe\x00", b"empty"]}) >>> df = df.select(df["x"].binary.slice(1, 3)) >>> df.show() ╭─────────────╮ │ x │ │ --- │ │ Binary │ ╞═════════════╡ │ b"ell" │ ├╌╌╌╌╌╌╌╌╌╌╌╌╌┤ │ b"\xfe\x00" │ ├╌╌╌╌╌╌╌╌╌╌╌╌╌┤ │ b"mpt" │ ╰─────────────╯ (Showing first 3 of 3 rows)
- Parameters:
start – The starting position (0-based) of the slice.
length – The length of the slice. If None, returns all characters from start to the end.
- Returns:
A new expression representing the slice.