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Java: Draft Aggregations #2181

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renejeglinsky merged 12 commits into from
Nov 12, 2025
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Java: Draft Aggregations #2181

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Java: Draft Aggregations
MattSchur Oct 29, 2025
d10d86d
Update java/fiori-drafts.md
beckermarc Oct 30, 2025
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Merge branch 'main' into java-draft-aggregations
renejeglinsky Nov 4, 2025
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Merge branch 'main' into java-draft-aggregations
renejeglinsky Nov 4, 2025
08e83f3
Merge branch 'main' into java-draft-aggregations
renejeglinsky Nov 4, 2025
369dabc
Merge branch 'main' into java-draft-aggregations
renejeglinsky Nov 4, 2025
cf38e91
Merge branch 'main' into java-draft-aggregations
renejeglinsky Nov 4, 2025
fd7d02a
Merge branch 'main' into java-draft-aggregations
renejeglinsky Nov 4, 2025
949184b
Merge branch 'main' into java-draft-aggregations
renejeglinsky Nov 4, 2025
e068633
Update java/fiori-drafts.md
beckermarc Nov 4, 2025
7c7be16
feedback and cosmetics
smahati Nov 6, 2025
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Merge branch 'main' into java-draft-aggregations
renejeglinsky Nov 7, 2025
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4 changes: 4 additions & 0 deletions java/fiori-drafts.md
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Expand Up @@ -60,6 +60,10 @@ public Result delegateToS4(ActiveReadEventContext context) {
When setting `cds.drafts.persistence` to `split` only queries that are specified by the SAP Fiori draft orchestration are supported.
:::

::: warning Aggregation Queries
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@renejeglinsky renejeglinsky Nov 4, 2025

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I have two thoughts:

  • two warnings next to each other? Can we avoid that?
  • It feels like this warning could be a subsection with its own L3 header. WDYT?

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@MattSchur MattSchur Nov 4, 2025

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fine by me

Aggregations over active and inactive draft entities are not supported. Results of queries with aggregation functions will return disjunct rows for active and inactive instead of aggregated rows. `IsActiveEntity` is always implicitly part of of the group-by clause.
:::

## Editing Drafts

When users edit a draft-enabled entity in the frontend, the following requests are sent to the CAP Java backend. As an effect, draft-specific events are triggered, as described in the following table. The draft-specific events are defined by the [DraftService](https://www.javadoc.io/doc/com.sap.cds/cds-services-api/latest/com/sap/cds/services/draft/DraftService.html) interface.
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