Hi Niphlod,
Thanks for your precise recipe to my query. I agree that getting 
asynchronous job results is not the best practice - so I change my 
approach. But your answer is still valuable - I used the same approach to 
stop tasks. But since I tried to move from  web2py 2.7 to 2.9 my app is 
does not work anymore:( So will comment on how it works when I recover it.

I love w2p community  - it so great when you know that you are not alone - 
you feel being a part of huge team and someone is always there to give you 
a hand!  

Again thank you Niphlod!


On Thursday, March 6, 2014 1:25:06 AM UTC+3, Niphlod wrote:
>
>
>
> On Wednesday, March 5, 2014 3:49:22 PM UTC+1, Andrey K wrote:
>>
>> Greetings,
>> I am using web2py scheduler and looking the way to get 
>> scheduler_run.traceback and scheduler_run.run_result for reporting.
>> Any idea how I can get it?
>> After I setting up the task by: 
>> task=scheduler.queue_task(test_js_task,pvars=dict(x))
>> I can get only task.id and task.uuid.
>>
>
> That's because when you queue a task you don't have (yet) a scheduler_run 
> record. Moreover returning the result of the task to a "queueing" operation 
> is a tiddle bit a poor design (it's an async process!). However, there's 
> mysched.task_status(ref, output=False)
> Ok, it's not documented in the book, but there are docstrings :P
>
>         Shortcut for task status retrieval
>
>         :param ref: can be
>             - integer --> lookup will be done by scheduler_task.id
>             - string  --> lookup will be done by scheduler_task.uuid
>             - query   --> lookup as you wish (as in 
> db.scheduler_task.task_name == 'test1')
>         :param output: fetch also the scheduler_run record
>
>         Returns a single Row object, for the last queued task
>         If output == True, returns also the last scheduler_run record
>             scheduler_run record is fetched by a left join, so it can
>             have all fields == None
>
>  
>
>>
>> What is the way  to get scheduler_run.id in order to get mentioned 
>> parameters?
>>
>
> assuming
>
> task = mysched.queue_task(f, ....)
> task_status = mysched.task_status(task.id, output=True)
> traceback = task_status.scheduler_run.traceback
> result = task_status.scheduler_run.run_result #or
> result = task_status.result
>
>
>
>
>> In addition I would like to add several extra fields to scheduler_task 
>> table - is it possible? If yes can you please tell me the way?
>>
>
> No, you can't and it's "by design". Scheduler tables are "tailored" to 
> contain only what's strictly needed to orchestrate web2py<-->worker 
> communications and worker<-->worker communications. Use a table with an id 
> referencing the task id or uuid .... 
>

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