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@@ -0,0 +1,51 @@
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+begin;
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+
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+-- Создаем таблицу званий
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+create table ranks (id serial primary key, name varchar(32));
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+
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+-- Создаем таблицу пользователей
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+create table users (id uuid primary key default gen_random_uuid(), name varchar(64), rank_id integer);
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+
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+-- Привязываем users(rank_id) -> ranks(id)
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+alter table users add foreign key(rank_id) references ranks(id);
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+
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+-- Заполняем звания
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+insert into ranks(name) values ('Рядовой');
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+insert into ranks(name) values ('Ефрейтор');
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+insert into ranks(name) values ('Младший сержант');
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+insert into ranks(name) values ('Сержант');
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+insert into ranks(name) values ('Старший сержант');
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+insert into ranks(name) values ('Старшина');
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+insert into ranks(name) values ('Прапорщик');
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+insert into ranks(name) values ('Старший прапорщик');
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+insert into ranks(name) values ('Младший лейтенант');
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+insert into ranks(name) values ('Лейтенант');
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+insert into ranks(name) values ('Старший лейтенант');
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+insert into ranks(name) values ('Капитан');
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+insert into ranks(name) values ('Майор');
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+insert into ranks(name) values ('Подполковник');
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+insert into ranks(name) values ('Полковник');
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+insert into ranks(name) values ('Генерал майор');
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+insert into ranks(name) values ('Генерал лейтенант');
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+insert into ranks(name) values ('Генерал полковник');
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+insert into ranks(name) values ('Генерал армии');
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+insert into ranks(name) values ('Маршал России');
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+
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+-- Обновляем username(varchar) -> user_id(uuid) в measurement_batch
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+alter table measurement_batch rename column username to user_id;
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+alter table measurement_batch alter column user_id type uuid using null;
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+
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+-- Привязываем measurement_batch(user_id) -> users(id)
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+alter table measurement_batch add foreign key(user_id) references users(id);
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+
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+-- Заполняем тестовые данные:
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+-- -- Пользователь
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+insert into users(name, rank_id) values ('Левитан Всеволод Романович', (select id from ranks order by id desc limit 1));
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+-- -- Измерение
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+insert into measurement_batch(start_period, user_id, pos_x, pos_y) values (now(), (select id from users limit 1), 69.00, 42.00);
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+
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+commit;
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+
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+
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+-- Проверяем
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+select batch.id, batch.start_period, concat(rnk.name, ' ', usr.name), batch.pos_x, batch.pos_y from measurement_batch batch join users usr on batch.user_id = usr.id join ranks rnk on usr.rank_id = rnk.id;
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