Using IF or SWITCH functions inside a DAX formula into a tabular model - SSAS 2012

Hi,
in a tabular model I've changed a DAX formula introducing the SWITCH function, but when I deploy the changed formula and open the Excel workbook the slicer connected to the pivot table doesn't highlight the slicer values involved as instead of old formula.
Any suggests to me in order to maintain the right behaviour for the slicers when a formula is re-written using an IF/SWITCH functions, please?
Thanks

I think that is the default behaviour and I can find a few justifications for it too...
For eg, if you have a complex IF condition, the measure will have to be evaluated for each value of the slicer for correctly finding the right values in the slicer to highlight, and that can make it REALLY slow.
Also, sometimes there is no correct values to highlight. For eg, if I have the products in the slicer and have a condition like
=IF(HASONEVALUE(Product[Product]),1)
then which Product should be highlighted? There is no correct value as any one of the Product selected on it's own will display value for the measure. And more than one products selected will display no value. So no matter what you display/highlight on the
slicer, there is no "correct" behaviour. In such a case, it is best left to display/highlight all values.
Cheers,
Jason | www.SqlJason.com
P.S. : Please click the 'Mark as Answer' button if a post solves your problem! :)

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Hi,
I am trying to setup Tabular Models on SSAS using AMO referring to the materials available at Technet and the Codeplex AMO Tabular Tutorial. I have a few questions/issues
currently and was hoping I could get some help from here. The tool I am working with currently supports Multidimensional mode via AMO and I am trying to extend most of its features from the Multidimensional model. So, some of the questions might not exactly
fit into the Tabular model and if so, please do point them out.
RELATIONSHIPS: While creating relationships among tables,
would it suffice to create the relationship in the Data Source View Schema (as the tool currently does for the Multidimensional mode) or should we explicitly create relationships under the dimensions that we create to represent the table in Tabular mode? The
latter is the approach mentioned in the tutorial and I wanted to know if there is any difference between the relationships created using the 2 methods.
MEASURES: I am trying to create measures using Native
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Binding for VertiPaq measure MEASURE_NAME in measure group MEASURE_GROUP_NAME is invalid because it does not match any property binding of the fact dimension
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Thank you.

RELATIONSHIPS: While creating relationships among tables,
would it suffice to create the relationship in the Data Source View Schema (as the tool currently does for the Multidimensional mode) or should we explicitly create relationships under the dimensions that we create to represent the table in Tabular mode? The
latter is the approach mentioned in the tutorial and I wanted to know if there is any difference between the relationships created using the 2 methods.
No - relationships in the DSV have no impact on the end model. You need to explicitly create relationships between your dimensions and measure groups for them to be picked up as relationships in your tabular model.
MEASURES: I am trying to create measures using Native OLAP
Measure objects in the Tabular model. I understand the shortcomings of this type of measures but I would still need to create them for basic aggregation functions like SUMMATION, COUNTS etc… I tried creating the measures using the same Measure Group that was
created to represent the table and used a ColumnBinding to the Measure’s source-column for the measure object’s source property but I get the following error:
Binding for VertiPaq measure MEASURE_NAME in measure group MEASURE_GROUP_NAME is invalid because it does not match any property binding of the fact dimension TABLE_NAME
Am I missing anything here? Is there a better way of creating OLAP measures in TABULAR model without using the default Table dimensions that we create?
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HIERARCHIES: I tried creating new Dimensions to hold hierarchies
for a table but when creating them, I get the error about MISSING ROWNUMBER attribute. Is this attribute mandatory for every dimension that is created?
To avoid this problem, I used the same dimension that was created to represent the table and tried adding inter-table attribute relationships to it but I get the following exception message
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VertiPaq property ‘’ cannot have a name binding.
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In general, can we create separate measure groups and dimensions, apart from the ones we use to represent the table, to store the custom measures and hierarchies? Is this a recommended
approach? This way, I am trying to keep things in parallel with the Multidimensional model that our tool currently supports but when I create such individual dimensions and measure groups, I get an error on the mismatch between the number of measure groups
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Hi Pscorca,
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Hi,
I'm testing the behaviour of a series of Dax formulas created in a my tabular model. In order to detect a "strange" anomaly, I'm analyzing in particular this formula:
IF( HASONEVALUE( Products[ProductID] ),
SWITCH(
VALUES( Products[CategoryID] ),
"Cat1", <measure_for_Cat1>,
"Cat2", <measure_for_Cat2>,
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Thanks

Hi ,
SUMMARIZE(<table>, <groupBy_columnName>[, <groupBy_columnName>]…[, <name>, <expression>]…)
SUMMARIZE(ResellerSales_USD
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, "Discount Amount (USD)", SUM(ResellerSales_USD[DiscountAmount])
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Please Mark This As Answer or vote for Helpful Post if this helps you to solve your question/problem. http://techequation.com

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Edited by: BluShadow on 16-May-2011 09:39
added {noformat}{noformat} tags. Please read: {message:id=9360002} for details on how to post code/data

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5
6     FUNCTION f2
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2 IS
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Message was edited by:
devmiral

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Dear Gurus,
I have following code
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OtherNoList := CRITERIA_LIST_TABLE();
SELECT DISTINCT REGEXP_SUBSTR('1,5,6,4', '[^\,]+',1, LEVEL ) BULK COLLECT INTO OtherNoList
FROM DUAL
CONNECT BY LEVEL <= REGEXP_COUNT('1,5,6,4', '\,') + 1 ;
QUERY_STRING := 'INSERT INTO TAB1 (C1,C2) '||
'SELECT C1,'||
'C2 '||
'FROM TAB1 ,'||
'TABLE( '||
'CAST (OtherNoList AS CRITERIA_LIST_TABLE) '||
') OTHRNOS '||
'WHERE TAB1.C1 = OTHRNOS.COLUMN_VALUE ';
DBMS_OUTPUT.PUT_LINE('Query String is '||QUERY_STRING);
EXECUTE IMMEDIATE QUERY_STRING;
END;
Can I use Table function inside dynamic query.
Thanking in advance
Sanjeev

Try:
DECLARE
TYPE CRITERIA_LIST_TABLE AS TABLE OF VARCHAR2(20);
OtherNoList CRITERIA_LIST_TABLE; /* CRITERIA_LIST_TABLE is index by table*/
QUERY_STRING VARCHAR2(4000);
BEGIN
OtherNoList := CRITERIA_LIST_TABLE();
SELECT DISTINCT REGEXP_SUBSTR('1,5,6,4', '[^\,]+',1, LEVEL ) BULK COLLECT INTO OtherNoList
FROM DUAL
CONNECT BY LEVEL <= REGEXP_COUNT('1,5,6,4', '\,') + 1 ;
QUERY_STRING := 'INSERT INTO TAB1 (C1,C2) '||
'SELECT C1,'||
'C2 '||
'FROM TAB1 ,'||
'TABLE( '||
'CAST (:OtherNoList AS CRITERIA_LIST_TABLE) '||
') OTHRNOS '||
'WHERE TAB1.C1 = OTHRNOS.COLUMN_VALUE ';
DBMS_OUTPUT.PUT_LINE('Query String is '||QUERY_STRING);
EXECUTE IMMEDIATE QUERY_STRING using OtherNoList;
END;p.s. not tested
Amiel Davis

Using IF or SWITCH functions inside a DAX formula into a tabular model - SSAS 2012

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