airflow 0048_1_10_3_remove_dag_stat_table 源码
airflow 0048_1_10_3_remove_dag_stat_table 代码
文件路径：/airflow/migrations/versions/0048_1_10_3_remove_dag_stat_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.
"""Remove ``dag_stat`` table
Revision ID: a56c9515abdc
Revises: c8ffec048a3b
Create Date: 2018-12-27 10:27:59.715872
"""
from __future__ import annotations
import sqlalchemy as sa
from alembic import op
# revision identifiers, used by Alembic.
revision = 'a56c9515abdc'
down_revision = 'c8ffec048a3b'
branch_labels = None
depends_on = None
airflow_version = '1.10.3'
def upgrade():
"""Drop dag_stats table"""
op.drop_table("dag_stats")
def downgrade():
"""Create dag_stats table"""
op.create_table(
'dag_stats',
sa.Column('dag_id', sa.String(length=250), nullable=False),
sa.Column('state', sa.String(length=50), nullable=False),
sa.Column('count', sa.Integer(), nullable=False, default=0),
sa.Column('dirty', sa.Boolean(), nullable=False, default=False),
sa.PrimaryKeyConstraint('dag_id', 'state'),
)
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