How To Fix DDLS287 - AVG is for current expression, e.g. aggregate function not supported

SAP Error Message - Details

• Message type: E = Error

• Message class: DDLS - For DDL source handling

• Message number: 287

• Message text: AVG is for current expression, e.g. aggregate function not supported

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message DDLS287 - AVG is for current expression, e.g. aggregate function not supported ?

  The SAP error message DDLS287 indicates that there is an issue with the use of an aggregate function in a SQL statement or a data definition language (DDL) operation. Specifically, the error message suggests that the average (AVG) function is being used in a context where it is not supported, typically outside of a proper aggregation context.
  Cause:
  
  
  Improper Use of Aggregate Functions: The AVG function is an aggregate function that is meant to be used in conjunction with a GROUP BY clause or in a context where aggregation is appropriate. If it is used in a SELECT statement without proper grouping or in a context that does not allow for aggregation, this error will occur.
  
  
  Contextual Misplacement: The error can also arise if the AVG function is used in a subquery or a join condition where it is not valid.
  
  
  SQL Syntax Issues: There may be syntax errors in the SQL statement that lead to the misinterpretation of the AVG function.
  
  
  Solution:
  
  
  Check SQL Syntax: Review the SQL statement for any syntax errors. Ensure that the AVG function is used correctly.
  
  
  Use GROUP BY Clause: If you are trying to calculate the average of a set of values, ensure that you are using a GROUP BY clause to group the results appropriately. For example:
  SELECT column1, AVG(column2)
  FROM table_name
  GROUP BY column1;
  
  
  Contextual Placement: Ensure that the AVG function is placed in a valid context. If you are using it in a subquery, make sure that the subquery is structured correctly.
  
  
  Review Documentation: Consult the SAP documentation or SQL reference for the specific database you are using to understand the correct usage of aggregate functions.
  
  
  Related Information:
  
  
  Aggregate Functions: These are functions that perform a calculation on a set of values and return a single value. Common aggregate functions include AVG, SUM, COUNT, MIN, and MAX.
  
  
  SQL Grouping: When using aggregate functions, it is essential to group the data appropriately to avoid errors. The GROUP BY clause is used to arrange identical data into groups.
  
  
  SAP Notes and Community: If the issue persists, consider checking SAP Notes or the SAP Community for similar issues and solutions provided by other users.
  
  
  By following these steps, you should be able to resolve the DDLS287 error and correctly implement the AVG function in your SQL statements.