airflow 0022_1_7_1_add_dag_id_state_index_on_dag_run_table 源码
airflow 0022_1_7_1_add_dag_id_state_index_on_dag_run_table 代码
文件路径：/airflow/migrations/versions/0022_1_7_1_add_dag_id_state_index_on_dag_run_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,
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"""Add ``dag_id``/``state`` index on ``dag_run`` table
Revision ID: 127d2bf2dfa7
Revises: 5e7d17757c7a
Create Date: 2017-01-25 11:43:51.635667
"""
from __future__ import annotations
from alembic import op
# revision identifiers, used by Alembic.
revision = '127d2bf2dfa7'
down_revision = '5e7d17757c7a'
branch_labels = None
depends_on = None
airflow_version = '1.7.1.3'
def upgrade():
op.create_index('dag_id_state', 'dag_run', ['dag_id', 'state'], unique=False)
def downgrade():
op.drop_index('dag_id_state', table_name='dag_run')
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