airflow 0029_1_10_0_add_executor_config_to_task_instance 源码
airflow 0029_1_10_0_add_executor_config_to_task_instance 代码
文件路径：/airflow/migrations/versions/0029_1_10_0_add_executor_config_to_task_instance.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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"""Add ``executor_config`` column to ``task_instance`` table
Revision ID: 33ae817a1ff4
Revises: 947454bf1dff
Create Date: 2017-09-11 15:26:47.598494
"""
from __future__ import annotations
import dill
import sqlalchemy as sa
from alembic import op
# revision identifiers, used by Alembic.
revision = '27c6a30d7c24'
down_revision = '33ae817a1ff4'
branch_labels = None
depends_on = None
airflow_version = '1.10.0'
TASK_INSTANCE_TABLE = "task_instance"
NEW_COLUMN = "executor_config"
def upgrade():
op.add_column(TASK_INSTANCE_TABLE, sa.Column(NEW_COLUMN, sa.PickleType(pickler=dill)))
def downgrade():
op.drop_column(TASK_INSTANCE_TABLE, NEW_COLUMN)
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