airflow 0092_2_2_0_add_data_interval_start_end_to_dagmodel_and_dagrun 源码
airflow 0092_2_2_0_add_data_interval_start_end_to_dagmodel_and_dagrun 代码
文件路径：/airflow/migrations/versions/0092_2_2_0_add_data_interval_start_end_to_dagmodel_and_dagrun.py
#
# Licensed to the Apache Software Foundation (ASF) under one
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# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
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"""Add data_interval_[start|end] to DagModel and DagRun.
Revision ID: 142555e44c17
Revises: 54bebd308c5f
Create Date: 2021-06-09 08:28:02.089817
"""
from __future__ import annotations
from alembic import op
from sqlalchemy import Column
from airflow.migrations.db_types import TIMESTAMP
# Revision identifiers, used by Alembic.
revision = "142555e44c17"
down_revision = "54bebd308c5f"
branch_labels = None
depends_on = None
airflow_version = '2.2.0'
def upgrade():
"""Apply data_interval fields to DagModel and DagRun."""
with op.batch_alter_table("dag_run") as batch_op:
batch_op.add_column(Column("data_interval_start", TIMESTAMP))
batch_op.add_column(Column("data_interval_end", TIMESTAMP))
with op.batch_alter_table("dag") as batch_op:
batch_op.add_column(Column("next_dagrun_data_interval_start", TIMESTAMP))
batch_op.add_column(Column("next_dagrun_data_interval_end", TIMESTAMP))
def downgrade():
"""Unapply data_interval fields to DagModel and DagRun."""
with op.batch_alter_table("dag_run") as batch_op:
batch_op.drop_column("data_interval_start")
batch_op.drop_column("data_interval_end")
with op.batch_alter_table("dag") as batch_op:
batch_op.drop_column("next_dagrun_data_interval_start")
batch_op.drop_column("next_dagrun_data_interval_end")
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