How To Fix DD_CDS_ANALYSIS248 - Path expression can be replaced with "&1.&2"

DD_CDS_ANALYSIS248 - Overview

• Message type: E = Error

• Message class: DD_CDS_ANALYSIS - CDS code inspector messages

• Message number: 248

• Message text: Path expression can be replaced with "&1.&2"

What causes this issue?

Usage of the path expression <association name>.<attribute name> can be
replaced with <data source name>.<attribute name>

System Response

Usage of the association in the path expression leads to an unnecessary
LEFT OUTER JOIN on the DB level

How to fix this error?

Use the attribute directly or the path <data source name>.<attribute
name>

Error message extract from SAP system. Copyright SAP SE.

DD_CDS_ANALYSIS248 - Details

• The SAP error message DD_CDS_ANALYSIS248 indicates that there is an issue with the path expression used in a Core Data Services (CDS) view. Specifically, the message suggests that the path expression can be simplified or replaced with a more efficient alternative, represented as "&1.&2". This typically means that the current path expression is unnecessarily complex or can be optimized.
  
  Cause:
  
  Complex Path Expression: The path expression in your CDS view may be using a longer or more complicated syntax than necessary.
  Redundant Joins: The expression might involve redundant joins or associations that can be simplified.
  Incorrect Syntax: There may be a syntactical error or misuse of associations in the CDS view.
  
  
  Solution:
  
  Review the Path Expression: Check the path expression in your CDS view and identify where it can be simplified. Look for opportunities to replace complex expressions with the suggested simpler form "&1.&2".
  Use Associations: If you are using joins, consider using associations instead, as they