strToMember,strToTuple, strToSet, strToValue以及一些成员属性, 以及其使用

这几个函数用来动态生成成员, 元素, 集合或者value.

例如

with  member  Measures.FactiTVUserInfoCountNotNull
as
iif( [Measures].[FactiTVUserInfoCount]<=0,0,[Measures].[FactiTVUserInfoCount])

 SELECT NON EMPTY { [Measures].[FactiTVUserInfoCountNotNull] } ON COLUMNS
 , 
 { 
             [DimUser].[UserID].[UserID].ALLMEMBERS 
             * [DimUser].[UserStatus].[UserStatus].ALLMEMBERS 
             * [DimUser].[SourceName].[SourceName].ALLMEMBERS 
             * [DimUser].[SourceID].[SourceID].ALLMEMBERS 
             * [DimUser].[AgentName].[AgentName].ALLMEMBERS 
             * 
(
                        strtomember("[CDate].[DateHierarchy].[CalendarDate].["+@StartDate+"]")
                        :strtomember("[CDate].[DateHierarchy].[CalendarDate].["+@EndDate+"]")
                    )
 } DIMENSION PROPERTIES MEMBER_CAPTION, MEMBER_UNIQUE_NAME ON ROWS 
 FROM [iTVDW]

这个例子用的是AdventureWorks数据库. 这里使用传进来的参数动态生成了成员. 可以完成动态查询的功能.

还有几个成员属性. CURRENTMEMBER.MEMBER_CAPTION, CURRENTMEMBER.UNIQUENAME, CURRENTMEMBER.LEVEL.ORDINAL

WITH
MEMBER [Measures].[ParameterCaption] AS
 [Product].[Product Categories].CURRENTMEMBER.MEMBER_CAPTION
MEMBER [Measures].[ParameterValue] AS
 [Product].[Product Categories].CURRENTMEMBER.UNIQUENAME
MEMBER [Measures].[ParameterLevel] AS
 [Product].[Product Categories].CURRENTMEMBER.LEVEL.ORDINAL

我们从字面上来理解. 这三个属性是 成员标题. 唯一标识, 级别的序数.

SELECT
 {
 [Measures].[ParameterCaption],
 [Measures].[ParameterValue],
 [Measures].[ParameterLevel]
 } ON COLUMNS,
 {
 Descendants(
 [Product].[Product Categories].[All Products],
 [Product].[Product Categories].[Subcategory],
 SELF_AND_BEFORE
 )
 } ON ROWS 
FROM [Step-by-Step]

这样的. 就是Member_Caption.  可以唯一找到这个member的. 就是 uniqueName. 级别就更好理解了.

这几个东西比较使用. 比如可以用作选择字典(相当于asp.net里面查询页的dropdownlist.). 比如, 我们现在来制作一个.

with 
member Measures._Key as [DimUser].[AgentName].currentMember.member_caption
member Measures._Value as [DimUser].[AgentID].currentMember.uniqueName

select 
{Measures._Key, Measures._Value} on 0,
{
    ([DimUser].[AgentID].children-[DimUser].[AgentID].[All].UNKNOWNMEMBER
    )*[DimUser].[AgentName].children
} on 1
from [itvdw]