83 lines
3.9 KiB
SQL
83 lines
3.9 KiB
SQL
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DROP TABLE IF EXISTS order_details CASCADE;
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DROP TABLE IF EXISTS orders CASCADE;
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DROP TABLE IF EXISTS menu_item CASCADE;
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DROP TABLE IF EXISTS users CASCADE;
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CREATE TABLE users (
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uid SERIAL PRIMARY KEY,
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username VARCHAR(50) UNIQUE NOT NULL,
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password VARCHAR(255) NOT NULL,
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email VARCHAR(100)
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);
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CREATE TABLE menu_item (
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uid SERIAL PRIMARY KEY,
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name VARCHAR(50) NOT NULL,
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price DECIMAL(10, 2) NOT NULL CHECK (price > 0),
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category VARCHAR(50)
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);
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CREATE TABLE orders (
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uid SERIAL PRIMARY KEY,
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user_id INTEGER NOT NULL,
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order_date TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
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total_price DECIMAL(10, 2) NOT NULL CHECK (total_price >= 0),
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CONSTRAINT fk_orders_user
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FOREIGN KEY (user_id)
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REFERENCES users(uid)
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ON DELETE CASCADE
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);
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CREATE TABLE order_details (
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uid SERIAL PRIMARY KEY,
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order_id INTEGER NOT NULL,
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item_id INTEGER NOT NULL,
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quantity INTEGER NOT NULL CHECK (quantity > 0),
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item_price DECIMAL(10, 2) NOT NULL CHECK (item_price >= 0),
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CONSTRAINT fk_order_details_order
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FOREIGN KEY (order_id)
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REFERENCES orders(uid)
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ON DELETE CASCADE,
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CONSTRAINT fk_order_details_menu_item
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FOREIGN KEY (item_id)
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REFERENCES menu_item(uid)
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ON DELETE RESTRICT
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);
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INSERT INTO menu_item (name, price, category) VALUES
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('French Fries', 1.00, 'Appetizer'),
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('Chicken Burger', 4.05, 'Burger'),
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('Pepperoni Pizza', 8.39, 'Pizza'),
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('Milkshake', 2.20, 'Drink'),
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('Ravioli', 9.00, 'Pasta');
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INSERT INTO users (username, password, email) VALUES
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('saraz', '8d969eef6ecad3c29a3a629280e686cf0c3f5d5a86aff3ca12020c923adc6c92', 'sarrr@gmail.com'),
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('kave02', '8d969eef6ecad3c29a3a629280e686cf0c3f5d5a86aff3ca12020c923adc6c92', 'kaviii02@gmail.com'),
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('titami_t', '8d969eef6ecad3c29a3a629280e686cf0c3f5d5a86aff3ca12020c923adc6c92', 'titaza@gmil.com');
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INSERT INTO orders (user_id, order_date, total_price) VALUES
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(1, CURRENT_TIMESTAMP, 9.39),
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(2, CURRENT_TIMESTAMP, 13.05),
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(1, CURRENT_TIMESTAMP, 2.20),
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(3, CURRENT_TIMESTAMP, 8.39);
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INSERT INTO order_details (order_id, item_id, quantity, item_price) VALUES
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(1, 1, 1, 1.00),
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(1, 3, 1, 8.39),
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(2, 2, 1, 4.05),
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(2, 5, 1, 9.00),
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(3, 4, 1, 2.20),
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(4, 3, 1, 8.39); |