For backwards compatibility, true is interpreted as "allPlansExecution" and false as "queryPlanner". Prior to server version 3.6, aggregate() ignores the verbosity parameter and executes in "queryPlanner".
For backwards compatibility, true is interpreted as "allPlansExecution" and false as "queryPlanner". Prior to server version 3.6, aggregate() ignores the verbosity parameter and executes in "queryPlanner".