How To Fix DD_CDS_ANALYSIS301 - &1 is calculated in view &2 and should not be used in conditions

SAP Error Message - Details

• Message type: E = Error

• Message class: DD_CDS_ANALYSIS - CDS code inspector messages

• Message number: 301

• Message text: &1 is calculated in view &2 and should not be used in conditions

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message DD_CDS_ANALYSIS301 - &1 is calculated in view &2 and should not be used in conditions ?

  The SAP error message DD_CDS_ANALYSIS301 indicates that a certain field (denoted as &1) is calculated in a Core Data Services (CDS) view (denoted as &2) and should not be used in conditions. This typically arises when you attempt to use a calculated field in a WHERE clause or in a condition that requires a direct database column.
  Cause:
  
  Calculated Fields: The field in question is derived from other fields through calculations or aggregations in the CDS view. SAP does not allow these calculated fields to be used in conditions because they are not stored directly in the database but are computed at runtime.
  Performance Considerations: Using calculated fields in conditions can lead to performance issues, as the database engine cannot optimize queries involving these fields in the same way it can with direct column references.
  
  Solution:
  
  Modify the Query: Instead of using the calculated field in the WHERE clause or conditions, consider using the underlying fields that are used to calculate the value. This may involve rewriting the logic of your query to filter based on the base fields.
  Create a New CDS View: If you need to filter based on the calculated value, consider creating a new CDS view that includes the calculated field as a direct output and allows for filtering based on that field.
  Use a Different Approach: If the calculated field is essential for your logic, you might need to handle the filtering in the application layer after retrieving the data, rather than in the database query.
  
  Related Information:
  
  CDS Views: Core Data Services (CDS) are a way to define semantic data models in SAP. They allow for the creation of complex data models that can include calculated fields, associations, and more.
  Performance Optimization: When designing CDS views, it's important to consider how the data will be queried and to avoid using calculated fields in conditions to ensure optimal performance.
  SAP Documentation: For more detailed information, refer to the official SAP documentation on CDS views and best practices for their use.
  
  By following these guidelines, you should be able to resolve the error and optimize your use of CDS views in SAP.