3620d7cac37b_table_constrains.py 文件源码

def downgrade():
    op.alter_column('app', 'name', nullable=True)
    op.alter_column('app', 'short_name', nullable=True)
    op.alter_column('app', 'description', nullable=True)
    op.alter_column('app', 'owner_id', nullable=True)
    # Task
    op.alter_column('task', 'app_id', nullable=True)

    # TaskRun
    op.alter_column('task_run', 'app_id', nullable=True)
    op.alter_column('task_run', 'task_id', nullable=True)