airflow 0058_1_10_13_increase_length_of_fab_ab_view_menu_ 源码
airflow 0058_1_10_13_increase_length_of_fab_ab_viewmenu 代码
文件路径:/airflow/migrations/versions/0058_1_10_13_increase_length_of_fab_ab_viewmenu.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.
"""Increase length of ``Flask-AppBuilder`` ``ab_view_menu.name`` column
Revision ID: 03afc6b6f902
Revises: 92c57b58940d
Create Date: 2020-11-13 22:21:41.619565
"""
from __future__ import annotations
import sqlalchemy as sa
from alembic import op
from sqlalchemy import inspect
from airflow.migrations.db_types import StringID
# revision identifiers, used by Alembic.
revision = '03afc6b6f902'
down_revision = '92c57b58940d'
branch_labels = None
depends_on = None
airflow_version = '1.10.13'
def upgrade():
"""Apply Increase length of ``Flask-AppBuilder`` ``ab_view_menu.name`` column"""
conn = op.get_bind()
inspector = inspect(conn)
tables = inspector.get_table_names()
if "ab_view_menu" in tables:
if conn.dialect.name == "sqlite":
op.execute("PRAGMA foreign_keys=off")
op.execute(
"""
CREATE TABLE IF NOT EXISTS ab_view_menu_dg_tmp
(
id INTEGER NOT NULL PRIMARY KEY,
name VARCHAR(250) NOT NULL UNIQUE
);
"""
)
op.execute("INSERT INTO ab_view_menu_dg_tmp(id, name) select id, name from ab_view_menu;")
op.execute("DROP TABLE ab_view_menu")
op.execute("ALTER TABLE ab_view_menu_dg_tmp rename to ab_view_menu;")
op.execute("PRAGMA foreign_keys=on")
else:
op.alter_column(
table_name='ab_view_menu',
column_name='name',
type_=StringID(length=250),
nullable=False,
)
def downgrade():
"""Unapply Increase length of ``Flask-AppBuilder`` ``ab_view_menu.name`` column"""
conn = op.get_bind()
inspector = inspect(conn)
tables = inspector.get_table_names()
if "ab_view_menu" in tables:
if conn.dialect.name == "sqlite":
op.execute("PRAGMA foreign_keys=off")
op.execute(
"""
CREATE TABLE IF NOT EXISTS ab_view_menu_dg_tmp
(
id INTEGER NOT NULL PRIMARY KEY,
name VARCHAR(100) NOT NULL UNIQUE
);
"""
)
op.execute("INSERT INTO ab_view_menu_dg_tmp(id, name) select id, name from ab_view_menu;")
op.execute("DROP TABLE ab_view_menu")
op.execute("ALTER TABLE ab_view_menu_dg_tmp rename to ab_view_menu;")
op.execute("PRAGMA foreign_keys=on")
else:
op.alter_column(
table_name='ab_view_menu', column_name='name', type_=sa.String(length=100), nullable=False
)
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