superset 2021-08-24_23-27_181091c0ef16_add_extra_column_to_columns_model 源码
superset 2021-08-24_23-27_181091c0ef16_add_extra_column_to_columns_model 代码
文件路径：/superset/migrations/versions/2021-08-24_23-27_181091c0ef16_add_extra_column_to_columns_model.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.
"""add_extra_column_to_columns_model
Revision ID: 181091c0ef16
Revises: 07071313dd52
Create Date: 2021-08-24 23:27:30.403308
"""
# revision identifiers, used by Alembic.
revision = "181091c0ef16"
down_revision = "021b81fe4fbb"
import sqlalchemy as sa
from alembic import op
def upgrade():
with op.batch_alter_table("table_columns") as batch_op:
batch_op.add_column(sa.Column("extra", sa.Text(), nullable=True))
def downgrade():
with op.batch_alter_table("table_columns") as batch_op:
batch_op.drop_column("extra")
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