airflow 0051_1_10_8_add_dagtags_table 源码
airflow 0051_1_10_8_add_dagtags_table 代码
文件路径：/airflow/migrations/versions/0051_1_10_8_add_dagtags_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
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# 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 ``DagTags`` table
Revision ID: 7939bcff74ba
Revises: fe461863935f
Create Date: 2020-01-07 19:39:01.247442
"""
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 = '7939bcff74ba'
down_revision = 'fe461863935f'
branch_labels = None
depends_on = None
airflow_version = '1.10.8'
def upgrade():
"""Apply Add ``DagTags`` table"""
op.create_table(
'dag_tag',
sa.Column('name', sa.String(length=100), nullable=False),
sa.Column('dag_id', StringID(), nullable=False),
sa.ForeignKeyConstraint(
['dag_id'],
['dag.dag_id'],
),
sa.PrimaryKeyConstraint('name', 'dag_id'),
)
def downgrade():
"""Unapply Add ``DagTags`` table"""
op.drop_table('dag_tag')
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