airflow arangodb 源码
airflow arangodb 代码
文件路径：/airflow/providers/arangodb/operators/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
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# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
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# 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, Callable, Sequence
from airflow.models import BaseOperator
from airflow.providers.arangodb.hooks.arangodb import ArangoDBHook
if TYPE_CHECKING:
from airflow.utils.context import Context
class AQLOperator(BaseOperator):
"""
Executes AQL query in a ArangoDB database
.. seealso::
For more information on how to use this operator, take a look at the guide:
:ref:`howto/operator:AQLOperator`
:param query: the AQL query to be executed. Can receive a str representing a
AQL statement, or you can provide .sql file having the query
:param result_processor: function to further process the Result from ArangoDB
:param arangodb_conn_id: Reference to :ref:`ArangoDB connection id <howto/connection:arangodb>`.
"""
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',
result_processor: Callable | None = None,
**kwargs,
) -> None:
super().__init__(**kwargs)
self.arangodb_conn_id = arangodb_conn_id
self.query = query
self.result_processor = result_processor
def execute(self, context: Context):
self.log.info('Executing: %s', self.query)
hook = ArangoDBHook(arangodb_conn_id=self.arangodb_conn_id)
result = hook.query(self.query)
if self.result_processor:
self.result_processor(result)
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