airflow arangodb 源码
airflow arangodb 代码
文件路径：/airflow/providers/arangodb/sensors/arangodb.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.providers.arangodb.hooks.arangodb import ArangoDBHook
from airflow.sensors.base import BaseSensorOperator
if TYPE_CHECKING:
from airflow.utils.context import Context
class AQLSensor(BaseSensorOperator):
"""
Checks for the existence of a document which
matches the given query in ArangoDB. Example:
:param collection: Target DB collection.
:param query: The query to poke, or you can provide .sql file having the query
:param arangodb_conn_id: The :ref:`ArangoDB connection id <howto/connection:arangodb>` to use
when connecting to ArangoDB.
:param arangodb_db: Target ArangoDB name.
"""
template_fields: Sequence[str] = ('query',)
template_ext: Sequence[str] = (".sql",)
template_fields_renderers = {"query": "sql"}
def __init__(self, *, query: str, arangodb_conn_id: str = "arangodb_default", **kwargs) -> None:
super().__init__(**kwargs)
self.arangodb_conn_id = arangodb_conn_id
self.query = query
def poke(self, context: Context) -> bool:
self.log.info("Sensor running the following query: %s", self.query)
hook = ArangoDBHook(self.arangodb_conn_id)
records = hook.query(self.query, count=True).count()
self.log.info("Total records found: %d", records)
return 0 != records
相关信息
相关文章
0
赞
热门推荐
-
2、 - 优质文章
-
3、 gate.io
-
6、 golang
-
7、 openharmony