select * from table where field1>field2 怎么实现啊
我用如下代码,不行,不知道为什么
GenericDelegator delegator = GenericDelegator.getGenericDelegator("default");
List exprlist = new ArrayList();
EntityExpr expr = new EntityExpr("field1",EntityOperator.LESS_THAN ,"field2");
exprlist.add(expr);
try {
list = delegator.findByCondition("table",
exprlist,
selectList);
} catch (GenericEntityException e) {
e.printStackTrace();
}