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35 lines
935 B
Python
35 lines
935 B
Python
"""fork
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Revision ID: 8f11cadae6a8
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Revises: a8184a265190
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Create Date: 2023-06-14 14:18:04.714697
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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 = '8f11cadae6a8'
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down_revision = 'a8184a265190'
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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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with op.batch_alter_table('books', schema=None) as batch_op:
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batch_op.add_column(sa.Column('original_book_id', sa.Integer(), nullable=True))
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batch_op.create_foreign_key(None, 'books', ['original_book_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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with op.batch_alter_table('books', schema=None) as batch_op:
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batch_op.drop_constraint(None, type_='foreignkey')
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batch_op.drop_column('original_book_id')
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# ### end Alembic commands ###
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