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Message type: E = Error
Message class: SD_CDS_PROJECTION - Message for Projection Entities
Message number: 009
Message text: Definition of a Where-Condition is not supported in Projection View
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SD_CDS_PROJECTION009
- Definition of a Where-Condition is not supported in Projection View ?The SAP error message SD_CDS_PROJECTION009 indicates that there is an issue with the definition of a where-condition in a projection view within the Core Data Services (CDS) framework. This error typically arises when you attempt to use a where-condition in a projection view, which is not supported by the CDS framework.
Cause:
The primary cause of this error is that projection views in CDS are designed to define a specific structure of data without applying any filtering or conditions. When you try to include a where-condition in a projection view, the system raises this error because it violates the intended use of projection views.
Solution:
To resolve this error, you can consider the following approaches:
Remove the Where-Condition: If the where-condition is not essential for the projection view, you can simply remove it. This will allow the projection view to function correctly without any filtering.
Use a Different Type of View: If you need to apply filtering, consider using a different type of CDS view, such as a Basic View or a Composite View. These types of views allow for more complex logic, including where-conditions.
Refactor the View: If you need to keep the projection view but also require filtering, you can create a separate view that includes the necessary where-conditions and then join or use that view in your projection view.
Check Documentation: Review the SAP documentation for Core Data Services to understand the limitations and best practices for creating projection views. This can help you design your views correctly from the start.
Related Information:
By following these steps, you should be able to resolve the error and create a functional CDS view that meets your requirements.
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