Source code for airflow.providers.amazon.aws.example_dags.example_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."""This is an example dag for using `RedshiftSQLOperator` to authenticate with Amazon Redshiftthen execute a simple select statement"""fromdatetimeimportdatetime# [START redshift_operator_howto_guide]fromairflowimportDAGfromairflow.providers.amazon.aws.operators.redshiftimportRedshiftSQLOperatorwithDAG(dag_id="redshift",start_date=datetime(2021,1,1),schedule_interval=None,tags=['example'])asdag:# [START howto_operator_redshift_create_table]setup__task_create_table=RedshiftSQLOperator(task_id='setup__create_table',sql=""" CREATE TABLE IF NOT EXISTS fruit ( fruit_id INTEGER, name VARCHAR NOT NULL, color VARCHAR NOT NULL ); """,)# [END howto_operator_redshift_create_table]# [START howto_operator_redshift_populate_table]task_insert_data=RedshiftSQLOperator(task_id='task_insert_data',sql=["INSERT INTO fruit VALUES ( 1, 'Banana', 'Yellow');","INSERT INTO fruit VALUES ( 2, 'Apple', 'Red');","INSERT INTO fruit VALUES ( 3, 'Lemon', 'Yellow');","INSERT INTO fruit VALUES ( 4, 'Grape', 'Purple');","INSERT INTO fruit VALUES ( 5, 'Pear', 'Green');","INSERT INTO fruit VALUES ( 6, 'Strawberry', 'Red');",],)# [END howto_operator_redshift_populate_table]# [START howto_operator_redshift_get_all_rows]task_get_all_table_data=RedshiftSQLOperator(task_id='task_get_all_table_data',sql="CREATE TABLE more_fruit AS SELECT * FROM fruit;")# [END howto_operator_redshift_get_all_rows]# [START howto_operator_redshift_get_with_filter]task_get_with_filter=RedshiftSQLOperator(task_id='task_get_with_filter',sql="CREATE TABLE filtered_fruit AS SELECT * FROM fruit WHERE color = '{{ params.color }}';",params={'color':'Red'},)# [END howto_operator_redshift_get_with_filter]setup__task_create_table>>task_insert_data>>task_get_all_table_data>>task_get_with_filter# [END redshift_operator_howto_guide]