airflow 0116_2_4_0_add_dag_owner_attributes_table 源码
airflow 0116_2_4_0_add_dag_owner_attributes_table 代码
文件路径：/airflow/migrations/versions/0116_2_4_0_add_dag_owner_attributes_table.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.
"""add dag_owner_attributes table
Revision ID: 1486deb605b4
Revises: f4ff391becb5
Create Date: 2022-08-04 16:59:45.406589
"""
from __future__ import annotations
import sqlalchemy as sa
from alembic import op
from airflow.migrations.db_types import StringID
# revision identifiers, used by Alembic.
revision = '1486deb605b4'
down_revision = 'f4ff391becb5'
branch_labels = None
depends_on = None
airflow_version = '2.4.0'
def upgrade():
"""Apply Add ``DagOwnerAttributes`` table"""
op.create_table(
'dag_owner_attributes',
sa.Column('dag_id', StringID(), nullable=False),
sa.Column('owner', sa.String(length=500), nullable=False),
sa.Column('link', sa.String(length=500), nullable=False),
sa.ForeignKeyConstraint(['dag_id'], ['dag.dag_id'], ondelete='CASCADE'),
sa.PrimaryKeyConstraint('dag_id', 'owner'),
)
def downgrade():
"""Unapply Add Dataset model"""
op.drop_table('dag_owner_attributes')
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