airflow 0112_2_4_0_add_dagwarning_model 源码
airflow 0112_2_4_0_add_dagwarning_model 代码
文件路径：/airflow/migrations/versions/0112_2_4_0_add_dagwarning_model.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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# software distributed under the License is distributed on an
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# KIND, either express or implied. See the License for the
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"""Add DagWarning model
Revision ID: 424117c37d18
Revises: 3c94c427fdf6
Create Date: 2022-04-27 15:57:36.736743
"""
from __future__ import annotations
import sqlalchemy as sa
from alembic import op
from airflow.migrations.db_types import TIMESTAMP, StringID
# revision identifiers, used by Alembic.
revision = '424117c37d18'
down_revision = 'f5fcbda3e651'
branch_labels = None
depends_on = None
airflow_version = '2.4.0'
def upgrade():
"""Apply Add DagWarning model"""
op.create_table(
'dag_warning',
sa.Column('dag_id', StringID(), primary_key=True),
sa.Column('warning_type', sa.String(length=50), primary_key=True),
sa.Column('message', sa.Text(), nullable=False),
sa.Column('timestamp', TIMESTAMP, nullable=False),
sa.ForeignKeyConstraint(
('dag_id',),
['dag.dag_id'],
name='dcw_dag_id_fkey',
ondelete='CASCADE',
),
)
def downgrade():
"""Unapply Add DagWarning model"""
op.drop_table('dag_warning')
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