Source code for airflow.providers.amazon.aws.operators.redshift
## Licensed to the Apache Software Foundation (ASF) under one# or more contributor license agreements. See the NOTICE file# distributed with this work for additional information# regarding copyright ownership. The ASF licenses this file# to you under the Apache License, Version 2.0 (the# "License"); you may not use this file except in compliance# with the License. You may obtain a copy of the License at## http://www.apache.org/licenses/LICENSE-2.0## Unless required by applicable law or agreed to in writing,# software distributed under the License is distributed on an# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY# KIND, either express or implied. See the License for the# specific language governing permissions and limitations# under the License.fromtypingimportDict,Iterable,Optional,Unionfromairflow.modelsimportBaseOperatorfromairflow.providers.amazon.aws.hooks.redshiftimportRedshiftSQLHook
[docs]classRedshiftSQLOperator(BaseOperator):""" Executes SQL Statements against an Amazon Redshift cluster .. seealso:: For more information on how to use this operator, take a look at the guide: :ref:`howto/operator:RedshiftSQLOperator` :param sql: the sql code to be executed :type sql: Can receive a str representing a sql statement, or an iterable of str (sql statements) :param redshift_conn_id: reference to :ref:`Amazon Redshift connection id<howto/connection:redshift>` :type redshift_conn_id: str :param parameters: (optional) the parameters to render the SQL query with. :type parameters: dict or iterable :param autocommit: if True, each command is automatically committed. (default value: False) :type autocommit: bool """
[docs]defget_hook(self)->RedshiftSQLHook:"""Create and return RedshiftSQLHook. :return RedshiftSQLHook: A RedshiftSQLHook instance. """returnRedshiftSQLHook(redshift_conn_id=self.redshift_conn_id)
[docs]defexecute(self,context:dict)->None:"""Execute a statement against Amazon Redshift"""self.log.info(f"Executing statement: {self.sql}")hook=self.get_hook()hook.run(self.sql,autocommit=self.autocommit,parameters=self.parameters)