How To Fix SDDL_PARSER_MSG423 - Functions are not allowed in the SEGREGATE-BY clause

SAP Error Message - Details

• Message type: E = Error

• Message class: SDDL_PARSER_MSG - Message Class for DDL Parser

• Message number: 423

• Message text: Functions are not allowed in the SEGREGATE-BY clause

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SDDL_PARSER_MSG423 - Functions are not allowed in the SEGREGATE-BY clause ?

  The SAP error message SDDL_PARSER_MSG423 indicates that there is an issue with the use of functions in the SEGREGATE-BY clause of a query or data operation. This error typically arises in the context of SAP Data Services or similar environments where data transformation and manipulation are performed.
  Cause:
  The error occurs because the SEGREGATE-BY clause is designed to categorize or group data based on specific fields or attributes. However, it does not support the use of functions (like aggregations, calculations, or transformations) within its definition. The clause expects only field names or simple expressions that do not involve any function calls.
  Solution:
  To resolve this error, you should:
  
  
  Review the Query: Check the SQL or data transformation query where the SEGREGATE-BY clause is used. Identify any functions that are being applied within this clause.
  
  
  Remove Functions: Modify the SEGREGATE-BY clause to include only field names or simple expressions without any functions. For example, if you have something like:
  SEGREGATE-BY FUNCTION_NAME(field)
  Change it to:
  SEGREGATE-BY field
  
  
  Use Alternative Approaches: If you need to perform calculations or transformations, consider doing this in a different part of your query, such as in a SELECT statement or a WHERE clause, before or after the SEGREGATE-BY operation.
  
  
  Testing: After making the necessary changes, test the query again to ensure that it executes without errors.
  
  
  Related Information:
  
  Documentation: Refer to the SAP Data Services documentation or the specific documentation for the tool you are using to understand the syntax and limitations of the SEGREGATE-BY clause.
  Best Practices: Familiarize yourself with best practices for writing queries in SAP environments, especially regarding grouping and aggregation.
  Community Forums: If you continue to face issues, consider reaching out to SAP community forums or support for additional insights and assistance.
  
  By following these steps, you should be able to resolve the error and successfully execute your data operations.