42 lines
1.2 KiB
Python
42 lines
1.2 KiB
Python
# Copyright 2015 OpenStack Foundation
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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#
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"""allow image_ref to be null
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Revision ID: 469b308577a9
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Revises: 39b7d449d46a
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Create Date: 2015-11-29 00:23:39.998256
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"""
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from alembic import op
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import sqlalchemy as sa
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# revision identifiers, used by Alembic.
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revision = '469b308577a9'
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down_revision = '39b7d449d46a'
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branch_labels = None
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depends_on = None
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def upgrade():
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op.alter_column('instance', 'image_ref',
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existing_type=sa.String(length=255),
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nullable=True)
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op.alter_column('instance_history', 'image_ref',
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existing_type=sa.String(length=255),
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nullable=True)
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