31 lines
827 B
Python
31 lines
827 B
Python
"""empty message
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Revision ID: 6624244a249e
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Revises: 8f8001e98e65
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Create Date: 2020-02-10 20:25:34.448725
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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 = '6624244a249e'
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down_revision = '8f8001e98e65'
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branch_labels = None
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depends_on = None
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def upgrade():
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# ### commands auto generated by Alembic - please adjust! ###
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op.add_column('proposal', sa.Column('live_draft_parent_id', sa.Integer(), nullable=True))
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op.create_foreign_key(None, 'proposal', 'proposal', ['live_draft_parent_id'], ['id'])
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# ### end Alembic commands ###
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def downgrade():
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# ### commands auto generated by Alembic - please adjust! ###
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op.drop_constraint(None, 'proposal', type_='foreignkey')
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op.drop_column('proposal', 'live_draft_parent_id')
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# ### end Alembic commands ###
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