DDLS112 - The current expression is not supported in the selection list

SAP Error Message - Details

• Message type: E = Error

• Message class: DDLS - For DDL source handling

• Message number: 112

• Message text: The current expression is not supported in the selection list

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message DDLS112 - The current expression is not supported in the selection list ?

  The SAP error message DDLS112 ("The current expression is not supported in the selection list") typically occurs when there is an issue with the SQL expression used in a selection list of a database view or a query. This error can arise in various contexts, such as when working with ABAP programs, database views, or when executing SQL queries in the SAP environment.
  Cause:
  The error is generally caused by one of the following reasons:
  
  
  Unsupported Expressions: The expression used in the selection list is not supported by the database or the SQL dialect being used. This can happen if you are trying to use complex expressions, functions, or operations that are not allowed in the selection list.
  
  
  Data Type Mismatch: There may be a mismatch in data types between the fields being selected and the expected types in the database.
  
  
  Incorrect Syntax: There could be a syntax error in the SQL statement or the way the selection list is constructed.
  
  
  Database Limitations: Some databases have limitations on what can be included in a selection list, especially when it comes to aggregate functions or subqueries.
  
  
  Solution:
  To resolve the DDLS112 error, you can take the following steps:
  
  
  Review the SQL Expression: Check the SQL expression in the selection list for any unsupported functions or operations. Simplify the expression if necessary.
  
  
  Check Data Types: Ensure that the data types of the fields in the selection list are compatible with each other and with the expected output.
  
  
  Correct Syntax: Review the SQL syntax for any errors. Make sure that the selection list is properly formatted and adheres to the SQL standards supported by your database.
  
  
  Use Supported Functions: If you are using functions or expressions, ensure that they are supported in the context of the selection list. For example, avoid using aggregate functions directly in the selection list without a GROUP BY clause.
  
  
  Test in Smaller Parts: If the query is complex, try breaking it down into smaller parts to isolate the issue. Test each part separately to identify where the error occurs.
  
  
  Consult Documentation: Refer to the SAP documentation or the database documentation for any specific limitations or guidelines regarding SQL expressions and selection lists.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Database Documentation: Review the documentation for the specific database you are using (e.g., HANA, Oracle, SQL Server) for any limitations or specific syntax requirements.
  ABAP Development: If you are working in ABAP, consider using the ABAP debugger to step through the code and identify where the error is occurring.
  
  By following these steps, you should be able to identify and resolve the cause of the DDLS112 error in your SAP environment.