用友NC二次开发平台——查询引擎用友NC平台技术部2003-12-31目录第一章前言..........................................................................................31.产品的前身...............................................................................................32.产品的需求背景.......................................................................................3第二章查询引擎的管理调度..............................................................51.对象树管理...............................................................................................51.1目录管理..................................................................................................................51.2对象管理..................................................................................................................62.切换定义数据源.......................................................................................6第三章查询引擎的查询模型..............................................................81.参数控制...................................................................................................82.SQL设计..................................................................................................92.1数据字典................................................................................................................102.2向导设计................................................................................................................102.3手工设计................................................................................................................133.数据交叉.................................................................................................133.1第一类（投影）交叉.............................................................................................133.2第二类（旋转）交叉.............................................................................................154.代码嵌入.................................................................................................164.1SQL整理.................................................................................................................164.2数据加工................................................................................................................184.3穿透规则................................................................................................................215.查询浏览.................................................................................................245.1查询执行与展现.....................................................................................................245.2数据导出................................................................................................................245.3创建物化表............................................................................................................246.查询任务.................................................................................................25第四章查询引擎的界面模型............................................................261.引用查询.................................................................................................262.格式设计.................................................................................................272.1控件管理...
