摘要： Hibernate HQL class a extend b ;find ("from b') 会出现 from b union from a的结果 阅读全文

摘要： <?xml version="1.0" encoding="utf-8"?><!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN""http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd"><!-- Mapping file autogenerated by MyEclipse Persistence Tools--> 阅读全文