Hi, I want to change the schedule of a Flow in my code. As an example I set

flow.schedule = Schedule(clocks=[CronClock("* * * * *")])

which works fine and later want to add another schedule or delete the current one. My idea is to use GraphQL with the

set_flow_group_schedule

and

delete_flow_group_schedule

methods.

Hey @Nico Neumann , could you move the graphql result to the thread when you get the chance so we don’t crowd the main channel? I think there is a distinction here between flow group schedule and flow schedule like you have hinted. The flow group schedule is the one defined in the UI and that does not go away as your re-register. The one defined by code is the flow schedule and goes away with re-registration. So we need to figure out how to delete the flow schedule instead of flow group

Now I first tried to query my schedule to see if it is registered correctly in Prefect Cloud

query {
    flow {
      id
      name
      flow_group_id
      schedule
    }
}

And I can see it:

...
"flow_group_id": "{flow_group_id}",
"schedule": {
    "clocks": [
      {
        "cron": "* * * * *",
        "type": "CronClock",
        "day_or": true,
        "labels": null,
        "end_date": null,
        "start_date": null,
        "__version__": "1.1.0",
        "parameter_defaults": {}
      }
    ],
    "filters": [],
    "or_filters": [],
    "__version__": "1.1.0",
    "adjustments": [],
    "not_filters": []
  }
},
...

Now I want to delete the schedule using the

flow_group_id

and I get

success=true

back:

mutation {
    delete_flow_group_schedule(input: {
      flow_group_id: "{flow_group_id}") {
        success
    }
}

But when I run the query again, my schedule is still there and running. I also checked it in the Prefect Cloud UI. It says I cannot delete it trough the UI because it was created through code. When I add a schedule through UI now for testing, I can delete it with the

delete_flow_group_schedule

command above. But I cannot delete the schedule created through the code.

Thank you for moving it!

@Kevin Kho thank you for your reply! I just saw in the query that both schedules are at different places in the query: The one created through code is at

flow.schedule

and the one created through the UI at

flow.flow_group.schedule

Exactly yeah

My idea is to have a flow running at a specific time and later on I might want to change the schedule or delete it. I was not aware of the difference between the schedules. So instead I could just register the flow without a schedule and then use

set_flow_group_schedule

to set it? In this way I should then be able to delete it later with

delete_flow_group_schedule

?

I guess that’s easier yep because modifying the Flow object with a schedule attached requires some form of re-registration I think

Thank you very much! Really great support here of everyone 😊

Thank you!