airflow adx 源码
airflow adx 代码
文件路径：/airflow/providers/microsoft/azure/operators/adx.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.
"""This module contains Azure Data Explorer operators"""
from __future__ import annotations
from typing import TYPE_CHECKING, Sequence
from azure.kusto.data._models import KustoResultTable
from airflow.configuration import conf
from airflow.models import BaseOperator
from airflow.providers.microsoft.azure.hooks.adx import AzureDataExplorerHook
if TYPE_CHECKING:
from airflow.utils.context import Context
class AzureDataExplorerQueryOperator(BaseOperator):
"""
Operator for querying Azure Data Explorer (Kusto).
:param query: KQL query to run (templated).
:param database: Database to run the query on (templated).
:param options: Optional query options. See:
https://docs.microsoft.com/en-us/azure/kusto/api/netfx/request-properties#list-of-clientrequestproperties
:param azure_data_explorer_conn_id: Reference to the
:ref:`Azure Data Explorer connection<howto/connection:adx>`.
"""
ui_color = '#00a1f2'
template_fields: Sequence[str] = ('query', 'database')
template_ext: Sequence[str] = ('.kql',)
def __init__(
self,
*,
query: str,
database: str,
options: dict | None = None,
azure_data_explorer_conn_id: str = 'azure_data_explorer_default',
**kwargs,
) -> None:
super().__init__(**kwargs)
self.query = query
self.database = database
self.options = options
self.azure_data_explorer_conn_id = azure_data_explorer_conn_id
def get_hook(self) -> AzureDataExplorerHook:
"""Returns new instance of AzureDataExplorerHook"""
return AzureDataExplorerHook(self.azure_data_explorer_conn_id)
def execute(self, context: Context) -> KustoResultTable | str:
"""
Run KQL Query on Azure Data Explorer (Kusto).
Returns `PrimaryResult` of Query v2 HTTP response contents
(https://docs.microsoft.com/en-us/azure/kusto/api/rest/response2)
"""
hook = self.get_hook()
response = hook.run_query(self.query, self.database, self.options)
if conf.getboolean('core', 'enable_xcom_pickling'):
return response.primary_results[0]
else:
return str(response.primary_results[0])
相关信息
相关文章
0
赞
热门推荐
-
2、 - 优质文章
-
3、 gate.io
-
7、 golang
-
9、 openharmony
-
10、 Vue中input框自动聚焦