:py:mod:`airflow.providers.google.cloud.transfers.presto_to_gcs`
================================================================

.. py:module:: airflow.providers.google.cloud.transfers.presto_to_gcs


Module Contents
---------------

Classes
~~~~~~~

.. autoapisummary::

   airflow.providers.google.cloud.transfers.presto_to_gcs.PrestoToGCSOperator


.. py:class:: PrestoToGCSOperator(*, presto_conn_id = 'presto_default', **kwargs)

   Bases: :py:obj:`airflow.providers.google.cloud.transfers.sql_to_gcs.BaseSQLToGCSOperator`

   Copy data from PrestoDB to Google Cloud Storage in JSON or CSV format.

   :param presto_conn_id: Reference to a specific Presto hook.

   .. py:attribute:: ui_color
      :annotation: = #a0e08c

      
   .. py:attribute:: type_map
      

   .. py:method:: query(self)

      Queries presto and returns a cursor to the results.


   .. py:method:: field_to_bigquery(self, field)

      Convert presto field type to BigQuery field type.


   .. py:method:: convert_type(self, value, schema_type, **kwargs)

      Do nothing. Presto uses JSON on the transport layer, so types are simple.

      :param value: Presto column value
      :param schema_type: BigQuery data type