| # 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. |
| """update datasources |
| |
| Revision ID: 937d04c16b64 |
| Revises: d94d33dbe938 |
| Create Date: 2018-07-20 16:08:10.195843 |
| |
| """ |
| |
| # revision identifiers, used by Alembic. |
| revision = "937d04c16b64" |
| down_revision = "d94d33dbe938" |
| |
| import sqlalchemy as sa |
| from alembic import op |
| |
| |
| def upgrade(): |
| |
| # Enforce that the datasource_name column be non-nullable. |
| with op.batch_alter_table("datasources") as batch_op: |
| batch_op.alter_column( |
| "datasource_name", existing_type=sa.String(255), nullable=False |
| ) |
| |
| |
| def downgrade(): |
| |
| # Forego that the datasource_name column be non-nullable. |
| with op.batch_alter_table("datasources") as batch_op: |
| batch_op.alter_column( |
| "datasource_name", existing_type=sa.String(255), nullable=True |
| ) |