How To Fix SFSG_RP_MESSAGES135 - Different join types occur within the view

SAP Error Message - Details

• Message type: E = Error

• Message class: SFSG_RP_MESSAGES - Message Class for FastSearch Repository

• Message number: 135

• Message text: Different join types occur within the view

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SFSG_RP_MESSAGES135 - Different join types occur within the view ?

  The SAP error message SFSG_RP_MESSAGES135 indicates that there is an issue with the join types used within a view in the SAP system. This error typically arises when a view is defined with different types of joins (e.g., inner joins, left outer joins, right outer joins) that are not compatible with each other. 
  Cause:
  
  Inconsistent Join Types: The view may be trying to combine tables using different join types, which can lead to ambiguity in how the data should be retrieved.
  View Definition: The way the view is defined in the underlying SQL or ABAP code may not adhere to the rules of join compatibility.
  Data Model Design: The data model may not be designed properly, leading to conflicting join types.
  
  Solution:
  
  Review the View Definition: Check the SQL or ABAP code that defines the view. Ensure that all joins are of the same type or are logically compatible.
  Standardize Join Types: If possible, standardize the join types used in the view. For example, if you are using inner joins, ensure that all joins are inner joins.
  Refactor the View: If the view is complex, consider breaking it down into smaller views or using subqueries to simplify the logic and ensure consistent join types.
  Consult Documentation: Refer to SAP documentation or guidelines on how to properly define views and use joins.
  Testing: After making changes, test the view to ensure that it retrieves the expected results without errors.
  
  Related Information:
  
  Join Types: Understand the different types of joins (inner, left outer, right outer, full outer) and their implications on data retrieval.
  SAP Notes: Check SAP Notes for any specific patches or updates related to this error message.
  Performance Considerations: Be aware that using different join types can impact performance, so optimizing the view for performance may also be necessary.
  Data Integrity: Ensure that the data integrity is maintained when changing join types, as this can affect the results returned by the view.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with an SAP expert or reach out to SAP support for further assistance.