Lesson11

lesson11/task1.sql

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+#Задание1
+
+use shop;
+DROP TABLE IF exists logs;
+CREATE TABLE logs (
+	#id SERIAL PRIMARY KEY,
+    id_PK INT UNSIGNED,
+	table_name VARCHAR(25),
+	field_name VARCHAR(25),
+    created_at DATETIME DEFAULT NOW()
+)engine=archive;
+
+drop trigger if exists tr_logs_write_users;
+drop trigger if exists tr_logs_write_catalogs;
+drop trigger if exists tr_logs_write_products;
+delimiter //
+CREATE TRIGGER tr_logs_write_users After insert ON users
+FOR EACH ROW BEGIN
+  INSERT INTO logs
+	  (id_PK, table_name, field_name)
+  VALUES
+  	  (NEW.id, 'users', NEW.name);
+END//
+
+CREATE TRIGGER tr_logs_write_catalogs After insert ON catalogs
+FOR EACH ROW BEGIN
+  INSERT INTO logs
+	  (id_PK, table_name, field_name)
+  VALUES
+  	  (NEW.id, 'catalogs', NEW.name);
+END//
+
+CREATE TRIGGER tr_logs_write_products After insert ON products
+FOR EACH ROW BEGIN
+  INSERT INTO logs
+	  (id_PK, table_name, field_name)
+  VALUES
+  	  (NEW.id, 'products', NEW.name);
+END//
+
+delimiter ;
+
+### Test
+
+INSERT INTO users (name, birthday_at) VALUES
+  ('Сергей', '1995-10-15');
+
+INSERT INTO products
+  (name, description, price, catalog_id)
+VALUES
+  ('Intel Core i7-8100', 'Процессор для настольных персональных компьютеров, основанных на платформе Intel.', 8890.00, 1);
+
+INSERT INTO catalogs VALUES
+  (NULL, 'Блоки питания');
+
+
+
+
+#Задание2
+
+use shop;
+
+drop procedure if exists dorepeat;
+delimiter //
+
+CREATE PROCEDURE dorepeat()
+       BEGIN
+         SET @x = 0;
+         set @p1 = 1000000;
+         REPEAT
+           SET @x = @x + 1;
+           INSERT INTO users (name, birthday_at) VALUES
+             ('Геннадий', '1990-10-05');
+         UNTIL @x > @p1 END REPEAT;
+       END
+       //
+
+DELIMITER ;
+
+CALL dorepeat();

lesson11/task2.sql

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+################################
+#Задание1
+sadd 192.168.0.1 user1
+sadd 192.168.0.1 user2
+sadd 192.168.0.2 user3
+sadd 192.168.0.3 user4
+sass 192.168.0.1 user4
+sadd 192.168.0.1 user4
+sadd 192.168.0.2 user2
+smembers 192.168.0.1
+
+
+################################
+#Задание2
+select 2
+set user1 user1@mail.ru
+set user2 user2@mail.ru
+set user3 user3@mail.ru
+set user4 user4@mail.ru
+set user5 user5@mail.ru
+
+#Получаем email пользователя
+get user4
+
+#Получаем hash таблицу
+hset users:1 name "name1"
+hset users:1 name "n1@n.ru"
+hset users:2 name "name2"
+hset users:2 name "n2@n.ru"
+hset users:3 name "name3"
+hset users:3 name "n3@n.ru"
+
+hvals users:1
+hkeys users:1
+
+
+################################
+#Задание3
+db.shop.insert(
+{ 
+	"id":1,
+	"name":"Intel Core i3-8100",
+	"description":"Процессор для настольных персональных компьютеров, основанных на платформе Intel.",
+	"price":7890,
+	"catalog_id":1,
+	"creates_at":"2019-11-24 10:00:00",
+	"update_at":"2019-11-24 10:00:00"
+})
+db.shop.insert(
+{ 
+	"id":2,
+	"name":"Intel Core i5-7400",
+	"description":"Процессор для настольных персональных компьютеров, основанных на платформе Intel.",
+	"price":12700,
+	"catalog_id":1,
+	"creates_at":"2019-11-24 10:00:00",
+	"update_at":"2019-11-24 10:00:00"
+})
+db.shop.insert(
+{ 
+	"id":3,
+	"name":"Gigabyte H310M S2H",
+	"description":"Материнская плата Gigabyte H310M S2H, H310, Socket 1151-V2, DDR4, mATX",
+	"price":4790,
+	"catalog_id":2,
+	"creates_at":"2019-11-24 10:00:00",
+	"update_at":"2019-11-24 10:00:00"
+})
+
+db.shop.insert(
+{ 
+	"id":1,
+	"name":"Процессоры"
+})
+db.shop.insert(
+{ 
+	"id":2,
+	"name":"Материнские платы"
+})