fix(sql): dedup deals-to-district assignment in ekb districts median refresh (#1352) #1678
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Reference: lekss361/gendesign#1678
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Проблема (#1352)
67_refresh_ekb_districts_median.sqlиспользовалST_Intersects-join без dedup → сделка на границе района считалась в нескольких районах, искажая медианы.Решение
Новая миграция
160_refresh_ekb_districts_median_dedup.sql(67 уже применена на прод, нельзя править in-place).CREATE OR REPLACEфункции:ST_Intersects→ST_Within(ST_Centroid(cq.geom), d.geom)+DISTINCT ON (cq.cad_number)→ каждый квартал ровно в одном районе. Сигнатура(window_months, min_deals)не изменена — все вызовы работают без правок.Verify (prod, окно 24 мес)
307 ложных назначений устранено. Зависимых view/FK нет (
pg_dependпуст).Closes #1352