Re: [I] Dag Dependency page not showing anything [airflow]

[via GitHub]

leozitor commented on issue #16610:
URL: https://github.com/apache/airflow/issues/16610#issuecomment-1777677946

   Hey guys is anyone facing issues regarding this, I notices in my code that 
if i have a TriggerDagRunOperator inside task_group like this, it shows the dag 
dependency on viewer
   ```
   @task_group(group_id='concat_video')
       def concatenate_video(task_id: int):
           print("triggering job")
           submit_job = TriggerDagRunOperator(
               task_id='submit_job',
               trigger_dag_id='video_concatenation_job',
               wait_for_completion=True,
               deferrable=True,
   
               poke_interval=10,
               conf={
                       'task_id': task_id,
                   },
               )
   
           submit_job
   ```
   ![Screenshot from 2023-10-24 
10-11-57](https://github.com/apache/airflow/assets/2281027/c9dce9cd-53f7-4a22-a450-3dc64e43c13f)
   
   but if I use without a task_group ( for this example doesn't make sense to 
use a group for a unique task)
   it doesn't show in dag dependency viewer 
   ```   
   @task
   def concatenate_video(task_id: int):
            print("triggering job")
            submit_job = TriggerDagRunOperator(
             task_id='submit_job',
             trigger_dag_id='video_concatenation_job',
             wait_for_completion=True,
             deferrable=True,
             # max_active_tis_per_dag=2, # it may be used if not deferrable
             poke_interval=10,
             conf={
                     'task_id': task_id,
                 },
             )
   
         submit_job
   ```
   Does this make a sense?


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