How To Fix SDDL_PARSER_MSG031 - Conditions must not contain any LOB columns

SAP Error Message - Details

• Message type: E = Error

• Message class: SDDL_PARSER_MSG - Message Class for DDL Parser

• Message number: 031

• Message text: Conditions must not contain any LOB columns

What causes this issue?

Conditions cannot have columns with the type STRING, RAWSTRING, LCHR, or
LRAW.
Elements with these ABAP Dictionary data types are known as LOBs (Large
Objects).

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SDDL_PARSER_MSG031 - Conditions must not contain any LOB columns ?

  The SAP error message SDDL_PARSER_MSG031 indicates that there is an issue with the use of LOB (Large Object) columns in the conditions of a query or a data definition language (DDL) statement. LOB columns are typically used to store large amounts of data, such as text, images, or binary data, and they cannot be used in certain contexts, such as conditions or comparisons in SQL statements.
  Cause:
  The error occurs when you attempt to use LOB columns in a condition (e.g., WHERE clause, JOIN condition) in a query or when defining a data structure that is not allowed to include LOB columns in its conditions. This is a limitation in the way that LOB data types are handled in SQL.
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Review the Query/DDL Statement: Check the SQL query or DDL statement that is causing the error. Identify any conditions that involve LOB columns.
  
  
  Modify the Conditions: If you find that LOB columns are being used in conditions, you will need to modify your query or DDL statement to avoid using LOB columns in those contexts. This may involve:
  
  Removing the LOB column from the condition.
  Using a different column that is not a LOB type for the condition.
  If necessary, consider restructuring your data model to avoid the need for LOB columns in conditions.
  
  
  
  Use Subqueries or Temporary Tables: If you need to filter based on LOB data, consider using subqueries or temporary tables to first retrieve the necessary data without LOB columns, and then perform the filtering or joining in a subsequent step.
  
  
  Check SAP Documentation: Refer to the SAP documentation for any specific guidelines or limitations regarding the use of LOB columns in your version of SAP.
  
  
  Related Information:
  
  LOB Types: In SAP, LOB types include CLOB (Character Large Object) and BLOB (Binary Large Object). These types are used for storing large text or binary data.
  Performance Considerations: Using LOB columns can have performance implications, especially in queries. It is generally advisable to minimize their use in conditions and joins.
  SAP Notes: Check for any relevant SAP Notes or updates that may address this issue or provide additional guidance on handling LOB columns.
  
  By following these steps, you should be able to resolve the SDDL_PARSER_MSG031 error and successfully execute your query or DDL statement.