airflow influxdb 源码
airflow influxdb 代码
文件路径：/airflow/providers/influxdb/operators/influxdb.py
#
# 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.
from __future__ import annotations
from typing import TYPE_CHECKING, Sequence
from airflow.models import BaseOperator
from airflow.providers.influxdb.hooks.influxdb import InfluxDBHook
if TYPE_CHECKING:
from airflow.utils.context import Context
class InfluxDBOperator(BaseOperator):
"""
Executes sql code in a specific InfluxDB database
.. seealso::
For more information on how to use this operator, take a look at the guide:
:ref:`howto/operator:InfluxDBOperator`
:param sql: the sql code to be executed. Can receive a str representing a
sql statement
:param influxdb_conn_id: Reference to :ref:`Influxdb connection id <howto/connection:influxdb>`.
"""
template_fields: Sequence[str] = ('sql',)
def __init__(
self,
*,
sql: str,
influxdb_conn_id: str = 'influxdb_default',
**kwargs,
) -> None:
super().__init__(**kwargs)
self.influxdb_conn_id = influxdb_conn_id
self.sql = sql
def execute(self, context: Context) -> None:
self.log.info('Executing: %s', self.sql)
self.hook = InfluxDBHook(conn_id=self.influxdb_conn_id)
self.hook.query(self.sql)
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