# Introduction
The `AddWorkspaceForeignKeys1767002571103` migration would fail when
released in production right now, as `foreignKey` be applicable as
there's a lof of orphan entries in database
As a workaround in order not to block any patch release we're
fallbacking the migration using save point and an upgrade command that
will attempt to apply the `foreignKey` on every workspace upgrade until
it succeed
We should keep in mind that any new fresh self installation will have
the foreignKey double checked that it would not implies regression on
workspace deletion using the integration tests
## Cleaning upgrade command
We won't implement the cleaning command in this PR yet either will I as
discussed with @Weiko someone else might be taking the subject starting
next week
<!-- CURSOR_SUMMARY -->
---
> [!NOTE]
> Strengthens workspace data integrity and makes the FK migration
resilient.
>
> - Adds `upgrade:1-16:add-workspace-foreign-keys-migration` command to
apply `workspaceId` FKs once per run; wires into
`V1_16_UpgradeVersionCommandModule` and 1.16 upgrade sequence
> - Refactors migration `1767002571103` to use
`addWorkspaceForeignKeysQueries` util and wrap in a savepoint,
swallowing errors to avoid blocking releases
> - Extracts FK DDL into
`utils/1767002571103-addWorkspaceForeignKeys.util` for reuse by command
and migration
> - Removes duplicate `workspaceId` columns from entities (e.g.,
`cronTrigger`, `databaseEventTrigger`, `indexMetadata`,
`objectMetadata`, `roleTarget`, `role`, `serverlessFunction`) relying on
`SyncableEntity`; keeps indexes/relations
> - Marks legacy delete paths as deprecated; temporarily extends
`WorkspaceManagerService.delete` to also delete `serverlessFunction` by
`workspaceId`
> - Updates wiring to inject `ServerlessFunctionEntity` repository in
`workspace-manager` module/service and corresponding unit test
> - Extends integration tests and adds GraphQL helpers to create
serverless functions and triggers; verifies cascade deletion of related
metadata on workspace removal
>
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<!-- /CURSOR_SUMMARY -->
