airflow.providers.google.cloud.transfers.presto_to_gcs

Module Contents

Classes

PrestoToGCSOperator

Copy data from PrestoDB to Google Cloud Storage in JSON or CSV format.
class airflow.providers.google.cloud.transfers.presto_to_gcs.PrestoToGCSOperator(*, presto_conn_id='presto_default', **kwargs)[source]

Bases: airflow.providers.google.cloud.transfers.sql_to_gcs.BaseSQLToGCSOperator

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

Parameters

presto_conn_id (str) -- Reference to a specific Presto hook.

ui_color = #a0e08c[source]
type_map[source]
query(self)[source]

Queries presto and returns a cursor to the results.

field_to_bigquery(self, field)[source]

Convert presto field type to BigQuery field type.

convert_type(self, value, schema_type)[source]

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

Parameters

  • value -- Presto column value

  • schema_type -- BigQuery data type

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