feat(sf-18): is_sales_started flag для domrf_kn_objects #292
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Reference: lekss361/gendesign#292
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Delete branch "fix/sf-18-pre-sale-flag"
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Summary
SF FixList #18 (Wave 3) — отличать «Строящиеся с открытыми продажами» от pre-sale (квартиры ещё не выложены). Создаёт
v_domrf_objects_with_sales— обёртка надdomrf_kn_objectsс derived-полемis_sales_started: bool.Audit (region_cd=66, site_status='Строящиеся')
5.7% — это реальный pre-sale pool, который сейчас не различается в UI.
Design — VIEW, не GENERATED column
PostgreSQL не поддерживает subquery в
GENERATED ALWAYS AS. Alternatives:v_domrf_objects_with_sales— идемпотентно, нет backfill, всегда актуально (читает из base + flats live)Changes
data/sql/105_add_sales_started_flag.sql—CREATE OR REPLACE VIEWfixes/Fix_SF_PreSaleFlag_May17.mdBase table
domrf_kn_objectsНЕ меняется.How to use
Test plan
SELECT is_sales_started, COUNT(*) FROM v_domrf_objects_with_sales WHERE region_cd=66 AND site_status='Строящиеся' GROUP BY 1— ~1247 TRUE, ~75 FALSEidx_kn_flats_objв EXISTS subqueryRelated: epic #271 item #18 · Wave 3 (P2)
Merged via deep-code-reviewer — verdict APPROVE.
EXPLAIN verified: Bitmap Index Scan on
domrf_kn_objects+ Index Only Scan ondomrf_kn_flats(usesidx_kn_flats_obj). Cost 5445.89 — acceptable для 1322 строящихся.Sequential numbering OK: 100..104 заняты, 105 — next free. No view name collision (24 existing views проверены).