airflow 0101_2_3_0_add_data_compressed_to_serialized_dag 源码
airflow 0101_2_3_0_add_data_compressed_to_serialized_dag 代码
文件路径：/airflow/migrations/versions/0101_2_3_0_add_data_compressed_to_serialized_dag.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 data_compressed to serialized_dag
Revision ID: a3bcd0914482
Revises: e655c0453f75
Create Date: 2022-02-03 22:40:59.841119
"""
from __future__ import annotations
import sqlalchemy as sa
from alembic import op
# revision identifiers, used by Alembic.
revision = 'a3bcd0914482'
down_revision = 'e655c0453f75'
branch_labels = None
depends_on = None
airflow_version = '2.3.0'
def upgrade():
with op.batch_alter_table('serialized_dag') as batch_op:
batch_op.alter_column('data', existing_type=sa.JSON, nullable=True)
batch_op.add_column(sa.Column('data_compressed', sa.LargeBinary, nullable=True))
def downgrade():
with op.batch_alter_table('serialized_dag') as batch_op:
batch_op.alter_column('data', existing_type=sa.JSON, nullable=False)
batch_op.drop_column('data_compressed')
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