I am new to MDX queries. I have written a query which uses lead function to get values for (Current Week plus 1) as a new column for each of the metrics. Basically comparing current week value with last week's value. Without the new members the query runs within seconds. After adding the new members it runs forever. Pls suggest ways to optimize this query Thanks for help.
WITH
SET [Range] as strtomember
(" [Time].[Week].&["+ Format(DateAdd('d', - DatePart('w', Now(), 2), Now()+7), "yyyy-MM-ddT00:00:00")
+"]")
:strtomember
(" [Time].[Week].&["+ Format(DateAdd('d', - DatePart('w', Now(), 2), Now()+14), "yyyy-MM-ddT00:00:00")
+"]")
MEMBER [Measures].[SalesNew] as
CASE WHEN [Time].[Year].CURRENTMEMBER IS [Time].[Year].&[2019] THEN
sum([Time].[Day].CURRENTMEMBER.LEAD(7),[Measures].[Sales Prev])
ELSE null
END,FORMAT_STRING = "$#,###.00"
MEMBER [Measures].[Order UnitsNew] as
CASE WHEN [Time].[Year].CURRENTMEMBER IS [Time].[Year].&[2019] THEN
sum([Time].[Day].CURRENTMEMBER.LEAD(7),[Measures].[Order Units Prev])
ELSE null
END,FORMAT_STRING = "#,##0"
MEMBER [Measures].[Count of OrdersNew] as
CASE WHEN [Time].[Year].CURRENTMEMBER IS [Time].[Year].&[2019] THEN
sum([Time].[Day].CURRENTMEMBER.LEAD(7),[Measures].[Count of Orders Prev])
ELSE null
END,FORMAT_STRING = "#,##0"
SELECT
{ [Measures].[Sales],[Measures].[Sales Prev],[Measures].[SalesNew],[Measures].[Order Units],[Measures].[Order Units Prev],
[Measures].[Order UnitsNew], [Measures].[Count of Orders],[Measures].[Count of Orders Prev], [Measures].[Count of OrdersNew]} ON COLUMNS ,
[Range] *
[Time].[Day].[Day].ALLMEMBERS * -- 4
[Time].[Hour].ALLMEMBERS *
[Product].[Merch Dept].ALLMEMBERS *
[Product].[Class].ALLMEMBERS ON ROWS
FROM [Cube]