How To Fix RSRTS_CDS011 - THEN clause (of case statement) is not a measure

SAP Error Message - Details

• Message type: E = Error

• Message class: RSRTS_CDS - Messages Transient CDS Queries

• Message number: 011

• Message text: THEN clause (of case statement) is not a measure

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSRTS_CDS011 - THEN clause (of case statement) is not a measure ?

  The SAP error message RSRTS_CDS011 indicates that there is an issue with the use of a CASE statement in a calculation view or a query where the THEN clause is not defined as a measure. This typically occurs in SAP HANA when you are trying to create a calculated column or a measure using a CASE statement, but the result of the CASE statement does not conform to the expected data type or context.
  Cause:
  
  Incorrect Data Type: The values returned in the THEN clause of the CASE statement are not of a measure type (e.g., numeric). For example, if you are trying to return a string or a non-aggregated value where a measure is expected, this error will occur.
  Context Misalignment: The context in which the CASE statement is used may not align with the expected measure context. For instance, if you are trying to use a CASE statement in a context that requires aggregation, but the result is not aggregated properly.
  Missing Aggregation: If the CASE statement is used in a context that requires aggregation (like in a measure), and the values returned are not aggregated, this can lead to the error.
  
  Solution:
  
  
  Check Data Types: Ensure that the values returned in the THEN clause of the CASE statement are of a measure type. If you are returning strings or other non-numeric types, consider converting them to a numeric type if applicable.
  Example:
  CASE 
      WHEN condition THEN CAST(value AS DECIMAL(10,2)) 
      ELSE 0 
  END
  
  
  Use Aggregation: If the CASE statement is being used in a measure context, ensure that the results are aggregated properly. You can use functions like SUM, AVG, COUNT, etc., to aggregate the results.
  Example:
  SUM(CASE 
      WHEN condition THEN value 
      ELSE 0 
  END)
  
  
  Review Context: Make sure that the CASE statement is being used in the correct context. If it is part of a calculated column, ensure that it is appropriate for that context. If it is part of a measure, ensure that it is defined correctly.
  
  
  Testing: Test the CASE statement independently to ensure that it returns the expected results without errors. You can run the SQL in a SQL console to validate the logic.
  
  
  Related Information:
  
  SAP HANA Documentation: Refer to the official SAP HANA documentation for more details on using CASE statements and measures in calculation views.
  Data Modeling Best Practices: Familiarize yourself with best practices in data modeling within SAP HANA, especially regarding measures and dimensions.
  Debugging Tools: Use debugging tools available in SAP HANA Studio or SAP Web IDE to trace the execution of your queries and identify where the error occurs.
  
  By following these steps, you should be able to resolve the RSRTS_CDS011 error and ensure that your CASE statements are correctly defined as measures.