Rather than continue to use a fully qualified object name throughout a query, Castor's OQL implementation supports the use of aliases for objects.
Castor的OQL实现并不在整个查询中继续使用全限定对象名，相反它支持对象别名的使用。
Therefore, using a different target schema name may lead to problems if there are qualified objects within the object body.
因此，如果对象体中有限定对象，那么不同的目标模式名就可能导致问题。
The "qname" parameter passed in on initialization of the wrapper object is the XML Qualified name of the property that is being requested.
在包装对象初始化阶段传入的“qname”参数是所请求的属性的XML限定名称。
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