How To Fix SDDL_PARSER_MSG025 - Aggregate functions are not allowed in the WHERE condition

SDDL_PARSER_MSG025 - Overview

• Message type: E = Error

• Message class: SDDL_PARSER_MSG - Message Class for DDL Parser

• Message number: 025

• Message text: Aggregate functions are not allowed in the WHERE condition

Self-Explanatory Message

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SDDL_PARSER_MSG025 - Details

• The SAP error message SDDL_PARSER_MSG025 indicates that you are trying to use aggregate functions (like SUM, COUNT, AVG, etc.) in the WHERE clause of a SQL query. In SQL, aggregate functions are not allowed in the WHERE clause because the WHERE clause is evaluated before the aggregation takes place. Instead, you should use the HAVING clause for filtering results after aggregation.
  
  Cause:
  The error occurs when a query attempts to filter records based on the result of an aggregate function in the WHERE clause. For example:
  SELECT customer_id, COUNT(order_id)
  FROM orders
  WHERE COUNT(order_id) > 5
  GROUP BY customer_id;
  In this example, the COUNT(order_id) is incorrectly placed in the WHERE clause.
  
  Solution:
  To resolve this error, you should move the aggregate function to the HAVING clause. The HAVING clause is specifically designed to filter records after the aggregation has been performed. Here’s how you can rewrite the above query correctly:
  SELECT customer_id, COUNT(order_id)
  FROM orders
  GROUP BY customer_id
  HAVING COUNT(order_id) > 5;
  
  Related Information:
  
  WHERE Clause: