airflow trino 源码
airflow trino 代码
文件路径：/airflow/providers/trino/operators/trino.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 the Trino operator."""
from __future__ import annotations
import warnings
from typing import Any, Sequence
from trino.exceptions import TrinoQueryError
from airflow.providers.common.sql.operators.sql import SQLExecuteQueryOperator
from airflow.providers.trino.hooks.trino import TrinoHook
class TrinoOperator(SQLExecuteQueryOperator):
"""
Executes sql code using a specific Trino query Engine.
.. seealso::
For more information on how to use this operator, take a look at the guide:
:ref:`howto/operator:TrinoOperator`
:param sql: the SQL code to be executed as a single string, or
a list of str (sql statements), or a reference to a template file.
:param trino_conn_id: id of the connection config for the target Trino
environment
:param autocommit: What to set the connection's autocommit setting to
before executing the query
:param handler: The result handler which is called with the result of each statement.
:param parameters: (optional) the parameters to render the SQL query with.
"""
template_fields: Sequence[str] = ('sql',)
template_fields_renderers = {'sql': 'sql'}
template_ext: Sequence[str] = ('.sql',)
ui_color = '#ededed'
def __init__(self, *, trino_conn_id: str = "trino_default", **kwargs: Any) -> None:
super().__init__(conn_id=trino_conn_id, **kwargs)
warnings.warn(
"""This class is deprecated.
Please use `airflow.providers.common.sql.operators.sql.SQLExecuteQueryOperator`.""",
DeprecationWarning,
stacklevel=2,
)
def on_kill(self) -> None:
if self._hook is not None and isinstance(self._hook, TrinoHook):
query_id = "'" + self._hook.query_id + "'"
try:
self.log.info("Stopping query run with queryId - %s", self._hook.query_id)
self._hook.run(
sql=f"CALL system.runtime.kill_query(query_id => {query_id},message => 'Job "
f"killed by "
f"user');",
handler=list,
)
except TrinoQueryError as e:
self.log.info(str(e))
self.log.info("Trino query (%s) terminated", query_id)
相关信息
相关文章
0
赞
热门推荐
-
2、 - 优质文章
-
3、 gate.io
-
8、 golang
-
9、 openharmony
-
10、 Vue中input框自动聚焦