How To Fix SDDL_PARSER_MSG118 - In view extends, no INNER JOIN must be used

SAP Error Message - Details

• Message type: E = Error

• Message class: SDDL_PARSER_MSG - Message Class for DDL Parser

• Message number: 118

• Message text: In view extends, no INNER JOIN must be used

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SDDL_PARSER_MSG118 - In view extends, no INNER JOIN must be used ?

  The SAP error message SDDL_PARSER_MSG118 indicates that there is an issue with the way you are trying to define a view in the SAP system, specifically when using the ABAP Dictionary (DDIC) to create or modify a view. The error message states: "In view extends, no INNER JOIN must be used." This typically occurs when you are trying to extend a view that is already defined, and you are attempting to use an INNER JOIN in the definition of that extended view.
  Cause:
  The primary cause of this error is the use of an INNER JOIN in a view extension. In SAP, when you extend a view, you are expected to use a LEFT OUTER JOIN instead of an INNER JOIN. This is because the view extension is meant to add additional fields to the existing view without filtering out any records that do not match the join condition.
  Solution:
  To resolve this error, you should modify the view definition to replace any INNER JOINs with LEFT OUTER JOINs. Here are the steps you can follow:
  
  
  Open the View Definition: Go to the transaction code SE11 (Data Dictionary) and open the view that you are trying to extend.
  
  
  Check the Join Conditions: Look for any INNER JOIN statements in the SQL code of the view.
  
  
  Modify the Joins: Change any INNER JOINs to LEFT OUTER JOINs. This will ensure that all records from the base view are retained, and only the matching records from the joined table are included.
  
  
  Activate the View: After making the changes, activate the view to ensure that the changes take effect.
  
  
  Test the View: Execute the view to verify that it works as expected and that the error message no longer appears.
  
  
  Related Information:
  
  View Types: Understand the different types of views in SAP (e.g., database views, projection views, and maintenance views) and their specific use cases.
  Join Types: Familiarize yourself with the differences between INNER JOIN and LEFT OUTER JOIN, as well as when to use each type in your SQL queries.
  SAP Documentation: Refer to the official SAP documentation for more details on view definitions and best practices for using joins in views.
  
  By following these steps and understanding the underlying principles, you should be able to resolve the SDDL_PARSER_MSG118 error and successfully extend your view in SAP.