Select Node Metadata Fields
Returns a DataFrame summarising the requested metadata fields for all
nodes in the pipeline. This is a read-only inspection operation — it
does not return a Pipeline. Available fields: $name,
$runtime, $serializer,
$deserializer, $noop, $deps,
$depth, $command_type.
p (Pipeline): The pipeline to
inspect.
… (Symbol): One or more metadata
field references (e.g. $name,
$runtime).
A DataFrame with the requested metadata columns.
p |> select_node($name, $runtime, $deps)
p |> select_node($name, $depth, $noop)