How To Fix DDLS142 - Identifiers, literals, and CASE are allowed in aggregate functions

DDLS142 - Overview

• Message type: E = Error

• Message class: DDLS - For DDL source handling

• Message number: 142

• Message text: Identifiers, literals, and CASE are allowed in aggregate functions

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message DDLS142 - Identifiers, literals, and CASE are allowed in aggregate functions ?

  The SAP error message DDLS142 indicates that there is an issue with the use of identifiers, literals, or the CASE statement within aggregate functions in your SQL query. This error typically arises when you are trying to use these elements in a way that is not permitted by the SQL syntax or the specific database rules.
  
  Cause:
  The error occurs when:
  
  You are using identifiers (like column names) or literals (constant values) directly within an aggregate function (like SUM, COUNT, AVG, etc.) in a way that is not allowed.
  You are trying to use a CASE statement inside an aggregate function incorrectly.
  
  Example of the Error:
  SELECT SUM(CASE WHEN column_name = 'value' THEN column_name ELSE 0 END) 
  FROM table_name;
  In this example, if column_name is not a numeric type, it could lead to the DDLS142 error.
  
  Solution:
  To resolve this error, you should:
  
  Check the Syntax: Ensure that you are using the correct syntax for aggregate functions. Aggregate functions should