The plan transformer should be subtree-to-subtree instead of node-to-node, so that we can transform a PlanState tree to a (Peloton) PlanNode tree through recursive calls.
The plan transformer should be subtree-to-subtree instead of node-to-node, so that we can transform a PlanState tree to a (Peloton) PlanNode tree through recursive calls.

Ghatage/peloton,Ghatage/peloton,amaliujia/peloton,Ghatage/peloton,Ghatage/peloton,Ghatage/peloton,amaliujia/peloton,amaliujia/peloton,Ghatage/peloton,amaliujia/peloton,amaliujia/peloton,amaliujia/peloton,amaliujia/peloton,Ghatage/peloton