36 lines
1.0 KiB
Python
36 lines
1.0 KiB
Python
# 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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from alembic import op
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import sqlalchemy as sa
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"""add parent_node field
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Revision ID: fe222f476baf
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Revises: 4dbec778866e
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Create Date: 2023-04-10 11:59:29.633401
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"""
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# revision identifiers, used by Alembic.
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revision = 'fe222f476baf'
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down_revision = '4dbec778866e'
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def upgrade():
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op.add_column('nodes', sa.Column('parent_node', sa.String(length=36),
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nullable=True))
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op.create_index(
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'parent_node_idx', 'nodes', ['parent_node'], unique=False)
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