airflow common 源码
airflow common 代码
文件路径：/airflow/providers/snowflake/utils/common.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
def enclose_param(param: str) -> str:
"""
Replace all single quotes in parameter by two single quotes and enclose param in single quote.
.. seealso::
https://docs.snowflake.com/en/sql-reference/data-types-text.html#single-quoted-string-constants
Examples:
.. code-block:: python
enclose_param("without quotes") # Returns: 'without quotes'
enclose_param("'with quotes'") # Returns: '''with quotes'''
enclose_param("Today's sales projections") # Returns: 'Today''s sales projections'
enclose_param("sample/john's.csv") # Returns: 'sample/john''s.csv'
enclose_param(".*'awesome'.*[.]csv") # Returns: '.*''awesome''.*[.]csv'
:param param: parameter which required single quotes enclosure.
"""
return f"""'{param.replace("'", "''")}'"""
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