gendesign/backend/app/services/site_finder
lekss361 a3e7d21e3a
fix(pzz_loader): replace bare db.rollback() with SAVEPOINT per-row (#124)
Per code review audit (May 14): transaction correctness bug в
`sync_pzz_zones_to_db()` — inner `db.rollback()` в loop сбрасывал outer
transaction на per-row failures → counts inserted/updated НЕ matched DB state.

## Fix

Wrap UPSERT в loop через `db.begin_nested()` (SAVEPOINT):
- Failure одной row → rollback только её savepoint, outer tx alive
- Successfully inserted rows accumulate в outer tx → commit final
- Outer try/except добавлен для unexpected error → rollback + log + raise
- `finally: db.close()` preserved

Pattern consistent с `domrf_kn.py` (где SAVEPOINT уже работает).

## Preserved

- Function signature + return shape {fetched, inserted, updated, skipped} — unchanged
- Logging contracts
- skipped count теперь корректно включает DB-failure rows (consistent with prior behavior)

## Tests

- No test_pzz_loader.py — skipped
- ruff + AST passed

## Vault

`fixes/Bug_Pzz_Loader_Missing_Savepoint_May14.md` — created (status: resolved).

Co-authored-by: lekss361 <claudestars@proton.me>
2026-05-14 23:29:23 +03:00
..
__init__.py init 2026-04-25 13:45:19 +03:00
cadastre_fetch.py feat(site-finder): auto-fetch cadastre geometry on-demand (#93) (#95) 2026-05-12 09:02:17 +03:00
filters.py init 2026-04-25 13:45:19 +03:00
noise_loader.py feat(site-finder): isochrones UI + networks VKH + OSM substations 2026-05-11 21:48:21 +03:00
parser.py init 2026-04-25 13:45:19 +03:00
poi_loader.py feat(site-finder): v3.1 — cad_parcels_geom, analyze fallback, POI lat/lon, OSM expand 2026-05-11 19:52:19 +03:00
pzz_loader.py fix(pzz_loader): replace bare db.rollback() with SAVEPOINT per-row (#124) 2026-05-14 23:29:23 +03:00
quarter_dump_lookup.py feat(site-finder): integrate nspd_quarter_dumps cache в analyze_parcel (#94 Sprint 1.1 FINAL) (#116) 2026-05-13 09:14:19 +03:00
scorer.py init 2026-04-25 13:45:19 +03:00