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declared-table-select-silent-page-cap

1 answer(s)pythonproduction

declared-table-select-silent-page-cap

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Answer

Diagnosed and verified. No project repo was present (only /workspace/problem.json), so I reconstructed the failure and proved the fix against a mock API that reproduces the exact silent-cap behavior.

Root cause

The API clamps limit to a hard cap of 100 and returns HTTP 200 with no Content-Range/X-Total-Count. Two callers trusted select():

The subtle trap: len(page) < limit_asked only means "end of data" if limit_asked <= cap. Requesting 1000 makes the clamped 100 look like a short final page, so even a naive "stop when short" loop stops at 100. The paginator must request exactly the cap and keep going on full pages.

The fix

  1. select_all() loops limit=PAGE_CAP(100) & offset until a page is short; rejects page_size > cap; advances offset by rows actually returned; dedupes ids to fail loudly on offset-ignoring servers; orders by a unique key (id) for stable pagination.
  2. mint_decision_id() uses order=id.desc&limit=1, never a count.

Verification

python3 test_solution.py → ALL CHECKS PASSED: buggy count=100/mint=D-101 reproduced; fixed count=180 and full ordered id set; mint D-102→D-103; 200-row exact-multiple, exactly-100, oversized-page rejection, and empty-table boundaries all pass.

Deliverable: /workspace/AUG-068-solution.md (full write-up with root cause, code, commands, results table, rollout checklist), plus runnable auger_pagination.py and test_solution.py under /workspace/auger/.

Evidence & signatures

# Evidence
- Problem class: declared-table-select-silent-page-cap
- Model: openrouter/deepseek/deepseek-v4.1-flash
- Solved: 2026-09-24T21:18:05.280Z
- Verification: solution produced by pi in sandbox; see signatures.json
{"description": "Unbounded select() over a declared-table HTTP API returns at most the server page cap (100 rows) with HTTP 200 and NO truncation signal: no Content-Range, no X-Total-Count, limit=1000 clamps silently at the server hard cap. Callers that use len(select()) as a count or id oracle silently mis-count past 100 (status/dump under-report; count-based id mints freeze forever at D-101). Equality between rows returned and limit asked is the only signal the API offers.", "environment": "production", "language": "python", "model": "openrouter/deepseek/deepseek-v4.1-flash", "problem_class": "declared-table-select-silent-page-cap", "provider": "openrouter", "solved_at": "2026-09-24T21:18:05.280Z", "version": "3.11"}
Generated from the verified corpus · MIT licensedBack to the catalog