superset 2019-12-03_10-24_817e1c9b09d0_add_not_null_to_dbs_sqlalchemy_url 源码
superset 2019-12-03_10-24_817e1c9b09d0_add_not_null_to_dbs_sqlalchemy_url 代码
文件路径：/superset/migrations/versions/2019-12-03_10-24_817e1c9b09d0_add_not_null_to_dbs_sqlalchemy_url.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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# software distributed under the License is distributed on an
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"""add_not_null_to_dbs_sqlalchemy_url
Revision ID: 817e1c9b09d0
Revises: db4b49eb0782
Create Date: 2019-12-03 10:24:16.201580
"""
import sqlalchemy as sa
from alembic import op
# revision identifiers, used by Alembic.
revision = "817e1c9b09d0"
down_revision = "89115a40e8ea"
def upgrade():
with op.batch_alter_table("dbs") as batch_op:
batch_op.alter_column(
"sqlalchemy_uri", existing_type=sa.VARCHAR(length=1024), nullable=False
)
def downgrade():
with op.batch_alter_table("dbs") as batch_op:
batch_op.alter_column(
"sqlalchemy_uri", existing_type=sa.VARCHAR(length=1024), nullable=True
)
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