airflow 0108_2_3_0_default_dag_view_grid 源码
airflow 0108_2_3_0_default_dag_view_grid 代码
文件路径：/airflow/migrations/versions/0108_2_3_0_default_dag_view_grid.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.
"""Update dag.default_view to grid.
Revision ID: b1b348e02d07
Revises: 75d5ed6c2b43
Create Date: 2022-04-19 17:25:00.872220
"""
from __future__ import annotations
from alembic import op
from sqlalchemy import String
from sqlalchemy.sql import column, table
# revision identifiers, used by Alembic.
revision = 'b1b348e02d07'
down_revision = '75d5ed6c2b43'
branch_labels = None
depends_on = '75d5ed6c2b43'
airflow_version = '2.3.0'
dag = table('dag', column('default_view', String))
def upgrade():
op.execute(
dag.update()
.where(dag.c.default_view == op.inline_literal('tree'))
.values({'default_view': op.inline_literal('grid')})
)
def downgrade():
op.execute(
dag.update()
.where(dag.c.default_view == op.inline_literal('grid'))
.values({'default_view': op.inline_literal('tree')})
)
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