docs-archive/apache-airflow-providers-qubole/3.0.0/_sources/operators/qubole_check.rst.txt

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Qubole Check
============
`Qubole <https://www.qubole.com/>`__ is an open, simple, and secure data lake platform for machine learning, streaming and adhoc analytics.
Qubole delivers a Self-Service Platform for Big Data Analytics built on Amazon Web Services, Microsoft and Google Clouds.

Airflow provides operators to execute tasks (commands) on QDS and perform checks against Qubole Commands.

Prerequisite Tasks
^^^^^^^^^^^^^^^^^^

.. include::/operators/_partials/prerequisite_tasks.rst

.. _howto/operator:QuboleCheckOperator:

Perform checks
^^^^^^^^^^^^^^

To performs checks against Qubole Commands you can use
:class:`~airflow.providers.qubole.operators.qubole.QuboleCheckOperator`.

Operator expects a command that will be executed on QDS.
By default, each value on first row of the result of this Qubole Command is evaluated using python ``bool`` casting.
If any of the values return ``False``, the check is failed and errors out.


Reference
^^^^^^^^^

For further information, look at:

* `Qubole Data Service Python SDK <https://github.com/qubole/qds-sdk-py>`__
* `Product Documentation <https://docs.qubole.com/en/latest/>`__