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Posted to commits@airflow.apache.org by "Bolke de Bruin (JIRA)" <ji...@apache.org> on 2018/08/12 12:27:00 UTC
[jira] [Closed] (AIRFLOW-2870) Migrations fail when upgrading from
below cc1e65623dc7_add_max_tries_column_to_task_instance
[ https://issues.apache.org/jira/browse/AIRFLOW-2870?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Bolke de Bruin closed AIRFLOW-2870.
-----------------------------------
Resolution: Fixed
Fix Version/s: 1.10.0
> Migrations fail when upgrading from below cc1e65623dc7_add_max_tries_column_to_task_instance
> --------------------------------------------------------------------------------------------
>
> Key: AIRFLOW-2870
> URL: https://issues.apache.org/jira/browse/AIRFLOW-2870
> Project: Apache Airflow
> Issue Type: Bug
> Reporter: George Leslie-Waksman
> Priority: Blocker
> Fix For: 1.10.0
>
>
> Running migrations from below cc1e65623dc7_add_max_tries_column_to_task_instance.py fail with:
> {noformat}
> INFO [alembic.runtime.migration] Context impl PostgresqlImpl.
> INFO [alembic.runtime.migration] Will assume transactional DDL.
> INFO [alembic.runtime.migration] Running upgrade 127d2bf2dfa7 -> cc1e65623dc7, add max tries column to task instance
> Traceback (most recent call last):
> File "/usr/local/lib/python3.6/site-packages/sqlalchemy/engine/base.py", line 1182, in _execute_context
> context)
> File "/usr/local/lib/python3.6/site-packages/sqlalchemy/engine/default.py", line 470, in do_execute
> cursor.execute(statement, parameters)
> psycopg2.ProgrammingError: column task_instance.executor_config does not exist
> LINE 1: ...ued_dttm, task_instance.pid AS task_instance_pid, task_insta...
> {noformat}
> The failure is occurring because cc1e65623dc7_add_max_tries_column_to_task_instance.py imports TaskInstance from the current code version, which has changes to the task_instance table that are not expected by the migration.
> Specifically, 27c6a30d7c24_add_executor_config_to_task_instance.py adds an executor_config column that does not exist as of when cc1e65623dc7_add_max_tries_column_to_task_instance.py is run.
> It is worth noting that this will not be observed for new installs because the migration branches on table existence/non-existence at a point that will hide the issue from new installs.
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