def cast()

in python/datafusion/expr.py [0:0]

• 8 lines of code
• 3 McCabe index (conditional complexity)

    def cast(self, to: pa.DataType[Any] | type[float | int | str | bool]) -> Expr:
        """Cast to a new data type."""
        if not isinstance(to, pa.DataType):
            try:
                to = self._to_pyarrow_types[to]
            except KeyError as err:
                error_msg = "Expected instance of pyarrow.DataType or builtins.type"
                raise TypeError(error_msg) from err

        return Expr(self.expr.cast(to))