class_docstr: The plan with a DAG of physical operators.
docstr: Get the DAG of physical operators.
docstr_tok: ["Get","the","DAG","of","physical","operators","."]
code: def dag(self) -> "PhysicalOperator":
      """Get the DAG of physical operators."""
      return self._dag
  
file_path: ray/python/ray/data/_internal/logical/interfaces/physical_plan.py
imports: from typing import TYPE_CHECKING, Dict
  from .logical_operator import LogicalOperator
  from .plan import Plan
label_desc: Use image node_id 2 for calling the PhysicalPlan obj's underlying member method code with example usage: obj.dag() and returns: self