airflow/api/common/experimental/mark_tasks.py
def set_dag_run_state_to_running(dag, execution_date, commit=False, session=None):
    """
    Set the dag run for a specific execution date to running.
    :param dag: the DAG of which to alter state
    :param execution_date: the execution date from which to start looking
    :param commit: commit DAG and tasks to be altered to the database
    :param session: database session
    :return: If commit is true, list of tasks that have been updated,
             otherwise list of tasks that will be updated
    """
    res = []
    if not dag or not execution_date:
        return res

    # Mark the dag run to running.
    if commit:
        _set_dag_run_state(dag.dag_id, execution_date, State.RUNNING, session)

    # To keep the return type consistent with the other similar functions.
    return res
def set_dag_run_state_to_running(dag, execution_date, commit=False, session=None):
    """
    Set the dag run for a specific execution date to running.
    :param dag: the DAG of which to alter state
    :param execution_date: the execution date from which to start looking
    :param commit: commit DAG and tasks to be altered to the database
    :param session: database session
    :return: If commit is true, list of tasks that have been updated,
             otherwise list of tasks that will be updated
    """
    res = []
    if not dag or not execution_date:
        return res

    # Mark the dag run to running.
    if commit:
        _set_dag_run_state(dag.dag_id, execution_date, State.RUNNING, session)

    # To keep the return type consistent with the other similar functions.
    return res
Set the dag run for a specific execution date to running.
    :param dag: the DAG of which to alter state
    :param execution_date: the execution date from which to start looking
    :param commit: commit DAG and tasks to be altered to the database
    :param session: database session
    :return: If commit is true, list of tasks that have been updated,
             otherwise list of tasks that will be updated