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https://issues.apache.org/jira/browse/AIRFLOW-1706?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16225567#comment-16225567
]
ASF subversion and git services commented on AIRFLOW-1706:
----------------------------------------------------------
Commit c800632bb40882d06344be1ebe0022e0a50ff121 in incubator-airflow's branch
refs/heads/master from k.privezentsev
[ https://git-wip-us.apache.org/repos/asf?p=incubator-airflow.git;h=c800632 ]
[AIRFLOW-1706] Fix query error for MSSQL backend
MSSQL doesn't support key word 'is' as synonym for
'='
Closes #2733 from
patsak/fix/illegal_query_for_mssql
> Scheduler is failed on startup with MS SQL Server as backend
> ------------------------------------------------------------
>
> Key: AIRFLOW-1706
> URL: https://issues.apache.org/jira/browse/AIRFLOW-1706
> Project: Apache Airflow
> Issue Type: Bug
> Components: scheduler
> Affects Versions: 1.9.0
> Reporter: Konstantin Privezentsev
> Priority: Minor
> Labels: newbie, patch
> Fix For: 1.9.0
>
> Attachments: 0001-fix-query-error-for-mssql-backend.patch
>
>
> Actual for commit - 21e94c7d1594c5e0
> Scheduler log:
> {noformat}
> airflow_scheduler_1 | [2017-10-12 08:45:49,554] {{jobs.py:1497}} INFO -
> Starting the scheduler
> airflow_scheduler_1 | [2017-10-12 08:45:49,554] {{jobs.py:1510}} INFO -
> Processing files using up to 2 processes at a time
> airflow_scheduler_1 | [2017-10-12 08:45:49,554] {{jobs.py:1511}} INFO -
> Running execute loop for -1 seconds
> airflow_scheduler_1 | [2017-10-12 08:45:49,554] {{jobs.py:1512}} INFO -
> Processing each file at most -1 times
> airflow_scheduler_1 | [2017-10-12 08:45:49,555] {{jobs.py:1513}} INFO -
> Process each file at most once every 0 seconds
> airflow_scheduler_1 | [2017-10-12 08:45:49,555] {{jobs.py:1514}} INFO -
> Checking for new files in /opt/airflow/dags every 300 seconds
> airflow_scheduler_1 | [2017-10-12 08:45:49,555] {{jobs.py:1517}} INFO -
> Searching for files in /opt/airflow/dags
> airflow_scheduler_1 | [2017-10-12 08:45:49,555] {{jobs.py:1519}} INFO -
> There are 1 files in /opt/airflow/dags
> airflow_scheduler_1 | [2017-10-12 08:45:49,628] {{jobs.py:1580}} INFO -
> Resetting orphaned tasks for active dag runs
> airflow_scheduler_1 | [2017-10-12 08:45:49,634] {{jobs.py:1538}} INFO -
> Exited execute loop
> airflow_scheduler_1 | Traceback (most recent call last):
> airflow_scheduler_1 | File "/usr/local/bin/airflow", line 27, in <module>
> airflow_scheduler_1 | args.func(args)
> airflow_scheduler_1 | File
> "/usr/local/lib/python2.7/dist-packages/airflow/bin/cli.py", line 828, in
> scheduler
> airflow_scheduler_1 | job.run()
> airflow_scheduler_1 | File
> "/usr/local/lib/python2.7/dist-packages/airflow/jobs.py", line 197, in run
> airflow_scheduler_1 | self._execute()
> airflow_scheduler_1 | File
> "/usr/local/lib/python2.7/dist-packages/airflow/jobs.py", line 1536, in
> _execute
> airflow_scheduler_1 | self._execute_helper(processor_manager)
> airflow_scheduler_1 | File
> "/usr/local/lib/python2.7/dist-packages/airflow/jobs.py", line 1581, in
> _execute_helper
> airflow_scheduler_1 |
> self.reset_state_for_orphaned_tasks(session=session)
> airflow_scheduler_1 | File
> "/usr/local/lib/python2.7/dist-packages/airflow/utils/db.py", line 50, in
> wrapper
> airflow_scheduler_1 | result = func(*args, **kwargs)
> airflow_scheduler_1 | File
> "/usr/local/lib/python2.7/dist-packages/airflow/jobs.py", line 246, in
> reset_state_for_orphaned_tasks
> airflow_scheduler_1 | TI.state.in_(resettable_states))).all()
> airflow_scheduler_1 | File
> "/usr/local/lib/python2.7/dist-packages/sqlalchemy/orm/query.py", line 2703,
> in all
> airflow_scheduler_1 | return list(self)
> airflow_scheduler_1 | File
> "/usr/local/lib/python2.7/dist-packages/sqlalchemy/orm/query.py", line 2855,
> in __iter__
> airflow_scheduler_1 | return self._execute_and_instances(context)
> airflow_scheduler_1 | File
> "/usr/local/lib/python2.7/dist-packages/sqlalchemy/orm/query.py", line 2878,
> in _execute_and_instances
> airflow_scheduler_1 | result = conn.execute(querycontext.statement,
> self._params)
> airflow_scheduler_1 | File
> "/usr/local/lib/python2.7/dist-packages/sqlalchemy/engine/base.py", line 945,
> in execute
> airflow_scheduler_1 | return meth(self, multiparams, params)
> airflow_scheduler_1 | File
> "/usr/local/lib/python2.7/dist-packages/sqlalchemy/sql/elements.py", line
> 263, in _execute_on_connection
> airflow_scheduler_1 | return connection._execute_clauseelement(self,
> multiparams, params)
> airflow_scheduler_1 | File
> "/usr/local/lib/python2.7/dist-packages/sqlalchemy/engine/base.py", line
> 1053, in _execute_clauseelement
> airflow_scheduler_1 | compiled_sql, distilled_params
> airflow_scheduler_1 | File
> "/usr/local/lib/python2.7/dist-packages/sqlalchemy/engine/base.py", line
> 1189, in _execute_context
> airflow_scheduler_1 | context)
> airflow_scheduler_1 | File
> "/usr/local/lib/python2.7/dist-packages/sqlalchemy/engine/base.py", line
> 1402, in _handle_dbapi_exception
> airflow_scheduler_1 | exc_info
> airflow_scheduler_1 | File
> "/usr/local/lib/python2.7/dist-packages/sqlalchemy/util/compat.py", line 203,
> in raise_from_cause
> airflow_scheduler_1 | reraise(type(exception), exception, tb=exc_tb,
> cause=cause)
> airflow_scheduler_1 | File
> "/usr/local/lib/python2.7/dist-packages/sqlalchemy/engine/base.py", line
> 1182, in _execute_context
> airflow_scheduler_1 | context)
> airflow_scheduler_1 | File
> "/usr/local/lib/python2.7/dist-packages/sqlalchemy/engine/default.py", line
> 470, in do_execute
> airflow_scheduler_1 | cursor.execute(statement, parameters)
> airflow_scheduler_1 | sqlalchemy.exc.ProgrammingError:
> (pyodbc.ProgrammingError) ('42000', "[42000] [Microsoft][ODBC Driver 13 for
> SQL Server][SQL Server]Incorrect syntax near '0'. (102) (SQLExecDirectW)")
> [SQL: u'SELECT task_instance.task_id AS task_instance_task_id,
> task_instance.dag_id AS task_instance_dag_id, task_instance.execution_date AS
> task_instance_execution_date, task_instance.start_date AS
> task_instance_start_date, task_instance.end_date AS task_instance_end_date,
> task_instance.duration AS task_instance_duration, task_instance.state AS
> task_instance_state, task_instance.try_number AS task_instance_try_number,
> task_instance.max_tries AS task_instance_max_tries, task_instance.hostname AS
> task_instance_hostname, task_instance.unixname AS task_instance_unixname,
> task_instance.job_id AS task_instance_job_id, task_instance.pool AS
> task_instance_pool, task_instance.queue AS task_instance_queue,
> task_instance.priority_weight AS task_instance_priority_weight,
> task_instance.operator AS task_instance_operator, task_instance.queued_dttm
> AS task_instance_queued_dttm, task_instance.pid AS task_instance_pid \nFROM
> task_instance JOIN dag_run ON task_instance.dag_id = dag_run.dag_id AND
> task_instance.execution_date = dag_run.execution_date \nWHERE dag_run.state =
> ? AND dag_run.external_trigger IS 0 AND dag_run.run_id NOT LIKE ? AND
> task_instance.state IN (?, ?)'] [parameters: (u'running', u'backfill_%',
> u'scheduled', u'queued')]
> {noformat}
> Patch in attachment
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