daft.functions.chr_func#

def chr_func(expr: Expression) -> Expression:
    """Converts an ASCII numeric value to a character.

    Returns the character corresponding to the ASCII code.
    This is compatible with Spark's chr function.

    Args:
        expr: An integer expression representing the ASCII code

    Returns:
        Expression: a String expression with the character

    Examples:
        >>> import daft
        >>> from daft.functions import chr_func
        >>> df = daft.from_pydict({"x": [65, 97, 48]})
        >>> df = df.select(chr_func(df["x"]))
        >>> df.show()
        ╭────────╮
        │ x      │
        │ ---    │
        │ String │
        ╞════════╡
        │ A      │
        ├╌╌╌╌╌╌╌╌┤
        │ a      │
        ├╌╌╌╌╌╌╌╌┤
        │ 0      │
        ╰────────╯
        <BLANKLINE>
        (Showing first 3 of 3 rows)

    """
    return Expression._call_builtin_scalar_fn("chr", expr)