51 строка
1.5 KiB
Python
51 строка
1.5 KiB
Python
#
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# Licensed to the Apache Software Foundation (ASF) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The ASF licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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from typing import Any
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from sqlalchemy import MetaData
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from sqlalchemy.ext.declarative import declarative_base
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from airflow.configuration import conf
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SQL_ALCHEMY_SCHEMA = conf.get("core", "SQL_ALCHEMY_SCHEMA")
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metadata = (
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None if not SQL_ALCHEMY_SCHEMA or SQL_ALCHEMY_SCHEMA.isspace() else MetaData(schema=SQL_ALCHEMY_SCHEMA)
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)
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Base = declarative_base(metadata=metadata) # type: Any
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ID_LEN = 250
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# used for typing
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class Operator:
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"""Class just used for Typing"""
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def get_id_collation_args():
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"""Get SQLAlchemy args to use for COLLATION"""
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collation = conf.get('core', 'sql_engine_collation_for_ids', fallback=None)
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if collation:
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return {'collation': collation}
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else:
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return {}
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COLLATION_ARGS = get_id_collation_args()
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