| # 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 datetime import datetime |
| |
| from flask_appbuilder import Model |
| from sqlalchemy import Column, DateTime, Integer, String |
| |
| |
| class CacheKey(Model): # pylint: disable=too-few-public-methods |
| |
| """Stores cache key records for the superset visualization.""" |
| |
| __tablename__ = "cache_keys" |
| id = Column(Integer, primary_key=True) |
| cache_key = Column(String(256), nullable=False) |
| cache_timeout = Column(Integer, nullable=True) |
| datasource_uid = Column(String(64), nullable=False, index=True) |
| created_on = Column(DateTime, default=datetime.now, nullable=True) |