快速业务通道

hibernate3学习笔记(七) Criteria Queries - 编程入门网

作者 佚名技术 来源 NET编程 浏览 发布时间 2012-06-20
_.age as age0_0_ from user this_ order by this_.age ascid name/age11 yangye/null12 yangye/null9 yangye/2310 yangye/232 chenyan/261 shenbin/28Hibernate: select this_.id as id0_0_, this_.name as name0_0_, this_.age as age0_0_ from user this_ where this_.age>? and this_.age<?id name/age2 chenyan/269 yangye/2310 yangye/23Hibernate: select this_.id as id0_0_, this_.name as name0_0_, this_.age as age0_0_ from user this_ where (this_.age=? or this_.age is null)id name/age9 yangye/2310 yangye/2311 yangye/null12 yangye/nullHibernate: select this_.id as id0_0_, this_.name as name0_0_, this_.age as age0_0_ from user this_ where this_.name LIKE (?)id name/age2 chenyan/269 yangye/2310 yangye/2311 yangye/null12 yangye/nullHibernate: select this_.id as id0_0_, this_.name as name0_0_, this_.age as age0_0_ from user this_ where this_.age BETWEEN (?) AND (?)id name/age1 shenbin/282 chenyan/26Hibernate: select this_.id as id0_0_, this_.name as name0_0_, this_.age as age0_0_ from user this_ limit ?, ?id name/age10 yangye/2311 yangye/nullHibernate: select count(*) as y0_ from user this_6Hibernate: select avg(this_.age) as y0_ from user this_25.0Hibernate: select this_.age as y0_ from user this_ group by this_.agenull232628Hibernate: select this_.age as y0_, this_.name as y1_, count(*) as y2_ from user this_ group by this_.age, this_.namenull yangye 223 yangye 226 chenyan 128 shenbin 1Hibernate: select this_.id as id0_0_, this_.name as name0_0_, this_.age as age0_0_ from user this_ where this_.name like ? order by this_.age descid name/age2 chenyan/269 yangye/2310 yangye/2311 yangye/null12 yangye/nullHibernate: select this_.id as id0_0_, this_.name as name0_0_, this_.age as age0_0_ from user this_ where (this_.age=?)id name/age2 chenyan/26

hibernate3学习笔记(七) Criteria Queries(3)

时间:2011-02-02 csdn博客 沈斌

注意:

Restrictions的几个常用限定查询方法如下表所示:

方法 说明
Restrictions.eq 等于
Restrictions.allEq 使用Map,使用key/value进行多个等于的比对
Restrictions.gt 大于 >
Restrictions.ge 大于等于 >=
Restrictions.lt 小于 <
Restrictions.le 小于等于 <=
Restrictions.between 对应SQL的BETWEEN子句
Restrictions.like 对应SQL的LIKE子句
Restrictions.in 对应SQL的in子句
Restrictions.and and关系
Restrictions.or or关系
Restrictions.sqlRestriction SQL限定查询

此外,Criteria还可以进行复合查询。即在原有的查询基础上再进行查询,例如

凌众科技专业提供服务器租用、服务器托管、企业邮局、虚拟主机等服务,公司网站:http://www.lingzhong.cn 为了给广大客户了解更多的技术信息,本技术文章收集来源于网络,凌众科技尊重文章作者的版权,如果有涉及你的版权有必要删除你的文章,请和我们联系。以上信息与文章正文是不可分割的一部分,如果您要转载本文章,请保留以上信息,谢谢!

分享到: 更多

Copyright ©1999-2011 厦门凌众科技有限公司 厦门优通互联科技开发有限公司 All rights reserved

地址(ADD):厦门软件园二期望海路63号701E(东南融通旁) 邮编(ZIP):361008

电话:0592-5908028 传真:0592-5908039 咨询信箱:web@lingzhong.cn 咨询OICQ:173723134

《中华人民共和国增值电信业务经营许可证》闽B2-20100024  ICP备案:闽ICP备05037997号