juanthropic opened a new pull request, #13424:
URL: https://github.com/apache/trafficserver/pull/13424
Add a `sort-destination QUERY` operator to header_rewrite that stably
sorts the request URL's query parameters by name. Normalizing parameter
order lets varied client query strings map to one origin request, which
helps origin-side caching and dedup.
The sort logic lives in a new pure, TS-API-free `sort_query()` helper
with its own unit test, kept separate from the operator so the
cache-key and parent-key operators can reuse it in a later PR.
- `sort_query()` uses a stable sort, so duplicate-named parameters keep
their relative order.
- Empty tokens from leading, trailing, or consecutive `&` are dropped.
- Docs note that `QUERY` is the only supported part; any other part is a
no-op, matching the sibling `rm-destination` wording.
Covered by a Catch2 unit test for the helper and an end-to-end Proxy
Verifier test that checks an unsorted client query reaches the origin
sorted.
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