5f6cb6217ac5_.py 文件源码

def downgrade():
    # ### commands auto generated by Alembic - please adjust! ###
    op.add_column('event', sa.Column('token', sa.VARCHAR(), autoincrement=False, nullable=True))
    op.create_unique_constraint('event_token_key', 'event', ['token'])
    # ### end Alembic commands ###