janiussyafiq opened a new pull request, #12796:
URL: https://github.com/apache/apisix/pull/12796
### Description
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#### Which issue(s) this PR fixes:
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Fixes #6939
This PR implements subordinate (parent–child) relationship validation for
stream routes in the Admin API, as proposed in issue #6939. Previously, stream
routes could reference a superior_id without any validation, which could lead
to invalid configurations, broken dependencies, and runtime routing errors.
This change ensures that:
• Any referenced superior stream route must exist.
• The protocols between subordinate and superior routes must
match.
• A superior stream route cannot be deleted if it is still
referenced by another route.
Also added some test cases for this update.
### Checklist
- [x] I have explained the need for this PR and the problem it solves
- [x] I have explained the changes or the new features added to this PR
- [x] I have added tests corresponding to this change
- [ ] I have updated the documentation to reflect this change
- [ ] I have verified that this change is backward compatible (If not,
please discuss on the [APISIX mailing
list](https://github.com/apache/apisix/tree/master#community) first)
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