superset 2020-06-21_19-50_a72cb0ebeb22_deprecate_dbs_perm_column 源码
superset 2020-06-21_19-50_a72cb0ebeb22_deprecate_dbs_perm_column 代码
文件路径：/superset/migrations/versions/2020-06-21_19-50_a72cb0ebeb22_deprecate_dbs_perm_column.py
# Licensed to the Apache Software Foundation (ASF) under one
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# 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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# KIND, either express or implied. See the License for the
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"""deprecate dbs.perm column
Revision ID: a72cb0ebeb22
Revises: ea396d202291
Create Date: 2020-06-21 19:50:51.630917
"""
import sqlalchemy as sa
from alembic import op
# revision identifiers, used by Alembic.
revision = "a72cb0ebeb22"
down_revision = "ea396d202291"
def upgrade():
with op.batch_alter_table("dbs") as batch_op:
batch_op.drop_column("perm")
def downgrade():
with op.batch_alter_table("dbs") as batch_op:
batch_op.add_column(sa.Column("perm", sa.String(1000), nullable=True))
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