How To Fix SADL_GW_DT_CDS044 - Statements of type 'union' are not allowed in consumption CDS view &1.

SADL_GW_DT_CDS044 - Overview

• Message type: E = Error

• Message class: SADL_GW_DT_CDS - Messages CDS Checks

• Message number: 044

• Message text: Statements of type 'union' are not allowed in consumption CDS view &1.

Self-Explanatory Message

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SADL_GW_DT_CDS044 - Details

• The error message SADL_GW_DT_CDS044 in SAP indicates that there is an issue with the definition of a Core Data Services (CDS) view, specifically that it contains a UNION statement, which is not allowed in consumption CDS views. This error typically arises when you are trying to create a CDS view that is intended to be consumed by OData services or other applications, and it includes a UNION operation.
  Cause
  The primary cause of this error is the use of a UNION operator in the definition of a CDS view that is meant for consumption. Consumption CDS views are designed to be simple and efficient for data retrieval, and the use of UNION complicates the data model, making it unsuitable for consumption scenarios.
  Solution
  To resolve this error, you can consider the following approaches:
  
  
  Refactor the CDS View:
  
  Instead of using a UNION, try to achieve the same result using other SQL constructs that are allowed in