Method _meta

dask/dataframe/dask_expr/_expr.py:703–716

(self)

    @functools.cached_property
    def _meta(self):
        meta = self.operand("meta")
        return _get_meta_map_partitions(
            self.args,
            [
                e
                for e in self.args
                if isinstance(e, Expr) and not isinstance(e, _DelayedExpr)
            ],
            self.func,
            self.kwargs,
            meta,
            self.parent_meta,
        )

    def _divisions(self):
        # Unknown divisions