Accepted Solutions (1)
Dear @kaiwen_,
In Public Cloud when you add an attachment for example a PDF to a supplier invoice the binary file is stored in an attachment repository, while SAP stores the business-object linkage/metadata (who/when, BO key, filename/MIME type, repository reference, etc.). SAP’s docs explicitly describe the model as “content + metadata stored in the repository” and discuss repository options for attachment storage
More details below:
1. Standard repository
- SAP documentation for Public Cloud states that the default repository for unstructured content is Document Service in SAP BTP
- Practically the repository is not inside your Public Cloud database in the way business tables are it’s a separate content store managed/provisioned alongside your Public Cloud tenant
More details below:
2. Third party repository
- SAP supports integrating an external repository via CMIS and the customer-managed communication scenario SAP_COM_0597
- SAP Integrating SAP Document Management guidance also references activating the needed communication arrangements including SAP_COM_0597 for SAP BTP Document Management connectivity
More details below:
Attachment Service as the standard attachment handling layer used by Fiori apps:
- It’s a reusable Fiori/UI component + backend services that lets apps upload, list, download, delete and in Advanced Attachment Service scenarios, things like check-in/check-out/versioning
- It orchestrates storage it links the attachment to the business object and calls the repository typically via CMIS to store/retrieve the file content. SAP notes that the attachment service processing leverages the DMS and GOS frameworks and interacts with repositories via CMIS
- It also enforces some technical constraints for example, SAP states a 100 MB per-file upload limit for Attachment Service usage in certain apps/scenarios
More details below:
https://userapps.support.sap.com/sap/support/knowledge/en/3591125
In CBC look at configuration activity below (103583) to see which repository is active.
Best Regards,
Dawid
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