文章提出了一种通过查询对象赋值组合动态生成查询条件的ORM解决方案，利用反射技术自动处理查询条件组合，避免手动拼接SQL。
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该方案通过组合数学中的子集选择问题来解释数据库访问中的动态查询问题，分析了现有ORM框架的局限性。提出了通过查询对象的赋值组合来动态生成查询条件的方法，利用反射技术自动处理条件组合和拼接。方案进一步支持字段特征映射比较、逻辑查询和子查询等复杂条件，形成了一种基于对象的动态查询语言，可直接根据查询对象赋值构建查询子句，预计可支持全部面向对象语言和数据库。
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