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How to use functions in IDT

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Hi,

 

I am trying to create dimensions in the business layer however I am having issue to create some due to the functions since I am a beginner.

 

I am trying to create the following fields:

 

1. Material Number - I want  to pull all the data from fact table in the dfx except for null values

2. Requirement type - I want to pull data from the fact table where the values in the field is 'AR'

3. Requirement qty - I want to pull data from the fact table where the values are greater than null values

4. Item is deleted - I want to pull all the data from fact table except for 'X'

5. Movement type - I want to pull only data with '261' from the fact table.

 

Material Number

Is coming from this field and in this field is where I would like to exclude 'Null' values

12-15-2015 11-37-49 AM.jpg

 

Requirement Type

Is coming from the field as below and here I where I only want to pull data with 'AR' value.

12-15-2015 11-37-49 AM.jpg

 

Requirement Qty

Is coming from the field below and I want to pull data > 'Null' value

12-15-2015 11-37-49 AM.jpg

 

Item is deleted

Is coming from the field below where I want to pull data except for 'X'.

12-15-2015 11-37-49 AM.jpg

 

Movement Type I will follow the logic as in Requirement Type.

 

Please assist me with the functions and also where I can learn move on how to use functions in Information Design Tool.

 

I know how to use 'CASE WHEN...THEN' which works like the "If...ElseIf..." function.

 

Thank you in advance and looking forward to learn better,

 

Thank you in advance for all the help.


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