airflow vertica 源码
airflow vertica 代码
文件路径：/airflow/providers/vertica/hooks/vertica.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 vertica_python import connect
from airflow.providers.common.sql.hooks.sql import DbApiHook
class VerticaHook(DbApiHook):
"""Interact with Vertica."""
conn_name_attr = 'vertica_conn_id'
default_conn_name = 'vertica_default'
conn_type = 'vertica'
hook_name = 'Vertica'
supports_autocommit = True
def get_conn(self) -> connect:
"""Return verticaql connection object"""
conn = self.get_connection(self.vertica_conn_id) # type: ignore
conn_config = {
"user": conn.login,
"password": conn.password or '',
"database": conn.schema,
"host": conn.host or 'localhost',
}
if not conn.port:
conn_config["port"] = 5433
else:
conn_config["port"] = int(conn.port)
conn = connect(**conn_config)
return conn
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