You are viewing a plain text version of this content. The canonical link for it is here.
Posted to commits@airflow.apache.org by "Praveenkumar Venkatesan (JIRA)" <ji...@apache.org> on 2017/01/04 03:30:58 UTC
[jira] [Comment Edited] (AIRFLOW-19) How can I have an Operator B
iterate over a list returned from upstream by Operator A?
[ https://issues.apache.org/jira/browse/AIRFLOW-19?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15797034#comment-15797034 ]
Praveenkumar Venkatesan edited comment on AIRFLOW-19 at 1/4/17 3:30 AM:
------------------------------------------------------------------------
[~navjot] no. after digging for a while, i came to the conclusion that tasks cannot be created dynamically. I'll be happy to be proven wrong ;)
was (Author: praveev):
[~navjot] no. after digging for a while, i came to the conclusion that tasks cannot be created dynamically.
> How can I have an Operator B iterate over a list returned from upstream by Operator A?
> --------------------------------------------------------------------------------------
>
> Key: AIRFLOW-19
> URL: https://issues.apache.org/jira/browse/AIRFLOW-19
> Project: Apache Airflow
> Issue Type: Bug
> Components: operators
> Reporter: Praveenkumar Venkatesan
> Priority: Minor
> Labels: support
>
> Here is what I am trying to do exactly: https://gist.github.com/praveev/7b93b50746f8e965f7139ecba028490a
> the python operator log just returns the following
> [2016-04-28 11:56:22,296] {models.py:1041} INFO - Executing <Task(PythonOperator): run_distcp_on_each> on 2016-04-28 11:56:12
> [2016-04-28 11:56:22,350] {python_operator.py:66} INFO - Done. Returned value was: None
> it didn't even print my kwargs and to_process data
> To simplify this. Lets say t1 returns 3 elements. I want to iterate over the list and run t2 -> t3 for each element.
--
This message was sent by Atlassian JIRA
(v6.3.4#6332)