bot-backend
4e95cf622c
#774-2 Parts 2/3/4 (Part 1 UNIQUE/dedup deferred — cadnum data not flowing). Part 2 — fingerprint<->alias sync: two scrapers with same address but coords beyond the 4-decimal fingerprint rounding produced distinct fp -> duplicate houses. Add Tier 2b lookup by normalized_address after Tier 2a (fingerprint) misses, register the new fp via _insert_alias; alias upsert DO NOTHING -> DO UPDATE SET fingerprint to keep alias synced. Part 3 — collapse double-nested SAVEPOINT: removed redundant inner db.begin_nested() around match_or_create_house inside _link_listing_to_house. Outer per-row SAVEPOINT in save_listings already isolates a failing lot from siblings and from the listings INSERT (per backend.md). BEHAVIOR NOTE: a house-match failure now aborts the whole hook for that lot (incl. listing_source link) atomically instead of partially committing it. Part 4 — confidence/method wiring deferred to #774-3 (matcher not on ingestion path; listing_sources columns exist, written as source_link=1.0). Refs #849 |
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