36 lines
803 B
Python
36 lines
803 B
Python
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"""add parent_route_id for route grouping
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Revision ID: c3d4e5f6a7b8
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Revises: b2c3d4e5f6a7
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Create Date: 2026-02-06 12:00:00.000000
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"""
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from typing import Sequence, Union
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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: str = 'c3d4e5f6a7b8'
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down_revision: Union[str, Sequence[str], None] = 'b2c3d4e5f6a7'
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branch_labels: Union[str, Sequence[str], None] = None
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depends_on: Union[str, Sequence[str], None] = None
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def upgrade() -> None:
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op.add_column(
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'routes',
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sa.Column(
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'parent_route_id',
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sa.Integer(),
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sa.ForeignKey('routes.id', ondelete='CASCADE'),
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nullable=True,
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index=True,
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),
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)
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def downgrade() -> None:
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op.drop_column('routes', 'parent_route_id')
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