airflow 0095_2_2_4_add_session_table_to_db 源码
airflow 0095_2_2_4_add_session_table_to_db 代码
文件路径：/airflow/migrations/versions/0095_2_2_4_add_session_table_to_db.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.
"""Create a ``session`` table to store web session data
Revision ID: c381b21cb7e4
Revises: be2bfac3da23
Create Date: 2022-01-25 13:56:35.069429
"""
from __future__ import annotations
import sqlalchemy as sa
from alembic import op
# revision identifiers, used by Alembic.
revision = 'c381b21cb7e4'
down_revision = 'be2bfac3da23'
branch_labels = None
depends_on = None
airflow_version = '2.2.4'
TABLE_NAME = 'session'
def upgrade():
"""Apply Create a ``session`` table to store web session data"""
op.create_table(
TABLE_NAME,
sa.Column('id', sa.Integer()),
sa.Column('session_id', sa.String(255)),
sa.Column('data', sa.LargeBinary()),
sa.Column('expiry', sa.DateTime()),
sa.PrimaryKeyConstraint('id'),
sa.UniqueConstraint('session_id'),
)
def downgrade():
"""Unapply Create a ``session`` table to store web session data"""
op.drop_table(TABLE_NAME)
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