BlogJava-followith-随笔分类-sqlhttp://www.blogjava.net/followith/category/33236.htmlzh-cnTue, 19 Aug 2008 08:51:17 GMTTue, 19 Aug 2008 08:51:17 GMT60oracle中将查询条件设为当天（sql和hibernate有区别）http://www.blogjava.net/followith/archive/2008/08/19/223034.htmlfollowithfollowithTue, 19 Aug 2008 08:00:00 GMThttp://www.blogjava.net/followith/archive/2008/08/19/223034.htmlhttp://www.blogjava.net/followith/comments/223034.htmlhttp://www.blogjava.net/followith/archive/2008/08/19/223034.html#Feedback2http://www.blogjava.net/followith/comments/commentRss/223034.htmlhttp://www.blogjava.net/followith/services/trackbacks/223034.html   实践通过，但trunc是oracle函数，即除oracle以外的函数不能够使用（不建议使用，移植性差）
 (2)select * from comment where createtime > sysdate-2
  实践通过，对所有的数据库都通用
 (3)select * from comment where createtime > new Date() -2
  实践未通过

但是在grails下使用
def list = Comment.findAllByCreateTimeGreaterThan(new Date() - 2, params)为什么是可以的呢？params是分页参数
 



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