fix(db): миграция 269 — SET LOCAL lock_timeout внутри BEGIN/COMMIT (#2752)
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Вне транзакции SET LOCAL молча ничего не делает — гейт это ловит, и он поймал меня второй раз подряд, теперь локально, до CI. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
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-- lock_timeout (#2752): ALTER TABLE берёт ACCESS EXCLUSIVE на houses — при живом
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-- писателе (свип) ждал бы его бесконечно и копил очередь за собой; 5с — и миграция
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-- падает честно, деплой перезапускается, а не вешает базу.
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-- SET LOCAL действует только внутри транзакции — вне BEGIN он молча ничего не делает
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-- (гейт check-migration-lock-timeout это проверяет; на этом я и споткнулся).
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BEGIN;
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SET LOCAL lock_timeout = '5s';
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ALTER TABLE houses ADD COLUMN IF NOT EXISTS yandex_jk_resolve_tried_at timestamptz;
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COMMENT ON COLUMN houses.yandex_jk_resolve_tried_at IS
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'#2924: когда yandex_newbuilding_sweep последний раз пытался разрезолвить yandex_jk_slug и не смог; NULL = не пробовали или резолв удался';
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COMMIT;
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