Method empty

python/pathway/internals/table.py:362–383

Creates an empty table with a schema specified by kwargs. Args: kwargs: Dict whose keys are column names and values are column types. Returns: Table: Created empty table. Example: >>> import pathway as pw >>> t1 = pw.Table.empty(ag

(**kwargs: dt.DType)

    @staticmethod
    @check_arg_types
    def empty(**kwargs: dt.DType) -> Table:
        """Creates an empty table with a schema specified by kwargs.

        Args:
            kwargs: Dict whose keys are column names and values are column types.

        Returns:
            Table: Created empty table.


        Example:

        >>> import pathway as pw
        >>> t1 = pw.Table.empty(age=float, pet=float)
        >>> pw.debug.compute_and_print(t1, include_id=False)
        age | pet
        """
        from pathway.internals import table_io

        ret = table_io.empty_from_schema(schema_from_types(None, **kwargs))
        ret._universe.register_as_empty(no_warn=True)
        return ret

    @trace_user_frame
    @desugar