airflow 0109_2_3_1_add_index_for_event_in_log 源码
airflow 0109_2_3_1_add_index_for_event_in_log 代码
文件路径：/airflow/migrations/versions/0109_2_3_1_add_index_for_event_in_log.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 index for ``event`` column in ``log`` table.
Revision ID: 1de7bc13c950
Revises: b1b348e02d07
Create Date: 2022-05-10 18:18:43.484829
"""
from __future__ import annotations
from alembic import op
# revision identifiers, used by Alembic.
revision = '1de7bc13c950'
down_revision = 'b1b348e02d07'
branch_labels = None
depends_on = None
airflow_version = '2.3.1'
def upgrade():
"""Apply Add index for ``event`` column in ``log`` table."""
op.create_index('idx_log_event', 'log', ['event'], unique=False)
def downgrade():
"""Unapply Add index for ``event`` column in ``log`` table."""
op.drop_index('idx_log_event', table_name='log')
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