airflow 0096_2_2_4_adding_index_for_dag_id_in_job 源码
airflow 0096_2_2_4_adding_index_for_dag_id_in_job 代码
文件路径：/airflow/migrations/versions/0096_2_2_4_adding_index_for_dag_id_in_job.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 index for ``dag_id`` column in ``job`` table.
Revision ID: 587bdf053233
Revises: c381b21cb7e4
Create Date: 2021-12-14 10:20:12.482940
"""
from __future__ import annotations
from alembic import op
# revision identifiers, used by Alembic.
revision = '587bdf053233'
down_revision = 'c381b21cb7e4'
branch_labels = None
depends_on = None
airflow_version = '2.2.4'
def upgrade():
"""Apply Add index for ``dag_id`` column in ``job`` table."""
op.create_index('idx_job_dag_id', 'job', ['dag_id'], unique=False)
def downgrade():
"""Unapply Add index for ``dag_id`` column in ``job`` table."""
op.drop_index('idx_job_dag_id', table_name='job')
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