How To Fix DDVIDB053 - Column &: Data type & not allowed in aggregate functions

SAP Error Message - Details

• Message type: E = Error

• Message class: DDVIDB - Database-specific parts of views

• Message number: 053

• Message text: Column &: Data type & not allowed in aggregate functions

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message DDVIDB053 - Column &: Data type & not allowed in aggregate functions ?

  The SAP error message DDVIDB053 indicates that there is an issue with the data type of a column being used in an aggregate function within a query. This error typically arises when you attempt to use a column with a data type that is not compatible with aggregate functions (like SUM, AVG, COUNT, etc.).
  Cause:
  The primary cause of this error is that the column specified in the aggregate function has a data type that cannot be aggregated. Common incompatible data types include:
  
  Character strings (CHAR, VARCHAR)
  Date and time types (DATE, TIME, TIMESTAMP) in certain contexts
  Other non-numeric types
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Data Types: Review the data types of the columns you are using in your aggregate functions. Ensure that they are numeric types (e.g., INTEGER, DECIMAL, FLOAT) that can be aggregated.
  
  
  Convert Data Types: If you need to aggregate a column that is not of a numeric type, consider converting it to a compatible type. For example, if you are trying to sum a character field that contains numeric values, you can use a conversion function (like CAST or CONVERT) to change it to a numeric type.
  Example:
  SELECT SUM(CAST(column_name AS DECIMAL)) FROM table_name;
  
  
  Review Query Logic: Ensure that the logic of your query is correct. Sometimes, the error may arise from a misunderstanding of how the data should be aggregated.
  
  
  Check for NULL Values: If the column can contain NULL values, ensure that your aggregate function can handle them appropriately. Some aggregate functions ignore NULLs, while others may require additional handling.
  
  
  Consult Documentation: If you are unsure about the data types and their compatibility with aggregate functions, refer to the SAP documentation or the database documentation for the specific version you are using.
  
  
  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 SUM, AVG, COUNT, MIN, and MAX.
  Data Type Compatibility: Different databases have specific rules regarding which data types can be used with aggregate functions. Always refer to the specific database documentation for details.
  SQL Functions: Familiarize yourself with SQL functions that can help in converting data types or handling NULL values.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.