5615d58892a1_.py 文件源码

def upgrade():
    ### commands auto generated by Alembic - please adjust! ###
    op.add_column('conditional', sa.Column('i_evaluation', sa.Integer(), nullable=True))
    op.add_column('conditional', sa.Column('s_evaluation', sa.Integer(), nullable=True))
    op.drop_constraint('conditional_evaluation_fkey', 'conditional', type_='foreignkey')
    op.create_foreign_key(None, 'conditional', 'spring_evals', ['s_evaluation'], ['id'])
    op.create_foreign_key(None, 'conditional', 'freshman_eval_data', ['i_evaluation'], ['id'])
    op.drop_column('conditional', 'evaluation')
    ### end Alembic commands ###