Adding Formulas in Data Aggregator

Perform the following steps to derive formulas for the data columns in eMACH-Sigma Studio:

1. Click Data Builder and collate data based on your requirement.

   Refer Creating Data Aggregator for Complex Report – Sample 1 for more information on collating data sources using Data Builder.

2. Click any child data.
   
   All the data information appears on the right-hand side of the page.
   
   

3. Click Derived Columns tab.
   
   
4. Provide name for the new column in Derived Column ID field.
   
   

5. Enter the formula for the column in Formula field.
   
   

   Tip

   Complex formulas for derived columns based on conditions can be specified in any of the following ways:

   • Using the CASE WHEN expression in the SQL select statement while creating the datasource in Studio

   OR

   • For other samples of  Java Expression Language (JEXL) operators, Refer JEXL operators.
6. Click Save.
7. Once the derived column is saved, it gets displayed on the right side. You can also delete the derived column by clicking the close icon.
   
   
8. Click Save to save the data aggregator.