5f6302b63190_remove_event_title_and_create_location_.py 文件源码

def downgrade():
    # ### commands auto generated by Alembic - please adjust! ###
    op.add_column('event', sa.Column('title', sa.VARCHAR(), autoincrement=False, nullable=False))
    op.drop_constraint(None, 'event', type_='foreignkey')
    op.create_unique_constraint('event_title_key', 'event', ['title'])
    op.drop_column('event', 'location_id')
    op.drop_table('location')
    # ### end Alembic commands ###