fix(tradein): миграция публичного токена без lock_timeout — гейт #2752
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278 делает ALTER TABLE trade_in_estimates ADD COLUMN + CREATE UNIQUE INDEX на ЖИВОЙ таблице (1123 строки на проде). ALTER берёт ACCESS EXCLUSIVE: без lock_timeout он встал бы в очередь за запросами приложения и утащил их за собой. Обёрнуто в BEGIN + SET LOCAL lock_timeout = '5s' + COMMIT по образцу 272_houses_region_code.sql.
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@ -19,6 +19,12 @@
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--
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-- Dependencies: trade_in_estimates (миграция 001+).
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-- Deploy order: применять после 277.
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BEGIN;
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-- Конвенция проекта (#2752): ALTER TABLE на ЖИВОЙ таблице берёт ACCESS
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-- EXCLUSIVE, и без lock_timeout встанет в очередь за запросами приложения,
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-- утащив их за собой. trade_in_estimates — таблица боевая (1123 строки на
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-- 29.08), поэтому это не формальность.
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SET LOCAL lock_timeout = '5s';
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ALTER TABLE trade_in_estimates
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ADD COLUMN IF NOT EXISTS public_token_hash text,
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@ -35,3 +41,5 @@ COMMENT ON COLUMN trade_in_estimates.public_token_hash IS
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'sha256(hex) капабилити-токена бесплатной части (app/api/public/mera.py). Сам токен не хранится.';
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COMMENT ON COLUMN trade_in_estimates.public_token_expires_at IS
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'До какого момента работает GET /api/public/mera/estimate/{token}. Не связан с expires_at/retain_until.';
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COMMIT;
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