Can't locate revision identified by ''"
第一次初始化之后第一创建迁移脚本会出现上述错误，当前使用的数据库没有存放除了models.py中模型对应的表以外的表。如果有，请手动备份到另一个数据库。由于存在这些无关表，flask-migrate尝试去删除这些无关表，当这些表存在外键索引时，删除失败，则可能导致数据库迁移失败。
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相关文章
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