77 lines
3.2 KiB
SQL
77 lines
3.2 KiB
SQL
-- =======================================================
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-- USER TABLE
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-- =======================================================
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CREATE TABLE users(
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id SERIAL PRIMARY KEY,
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username VARCHAR(50) UNIQUE NOT NULL,
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password_hash TEXT NOT NULL,
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email VARCHAR(250)
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);
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-- =======================================================
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-- MENU ITEM TABLE
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-- =======================================================
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CREATE TABLE menu(
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id SERIAL PRIMARY KEY,
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name VARCHAR(250) NOT NULL,
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description TEXT,
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price NUMERIC NOT NULL CHECK (price > 0),
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category VARCHAR(50)
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);
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-- =======================================================
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-- ORDER TABLE
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-- =======================================================
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CREATE TABLE orders (
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id SERIAL PRIMARY KEY,
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user_id INT NOT NULL,
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created_at TIMESTAMP NOT NULL,
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total_price NUMERIC NOT NULL,
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FOREIGN KEY (user_id) REFERENCES users(id)
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);
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-- =======================================================
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-- ORDER DETAIL TABLE
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-- =======================================================
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CREATE TABLE order_details(
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id SERIAL PRIMARY KEY,
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order_id INT NOT NULL,
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menu_id INT NOT NULL,
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quantity NUMERIC NOT NULL CHECK (quantity > 0),
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item_price NUMERIC NOT NULL CHECK (item_price > 0),
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FOREIGN KEY (order_id) REFERENCES orders(id),
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FOREIGN KEY (menu_id) REFERENCES menu(id)
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);
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-- =======================================================
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-- INITIAL MENU DATA
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-- =======================================================
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insert into menu (name, description, price, category) values ('Margherita Pizza', 'Classic pizza with tomato sauce, mozzarella, and basil.', 12.99, 'Pizza');
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insert into menu (name, description, price, category) values ('Pepperoni Pizza', null, 14.49, 'Pizza');
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insert into menu (name, description, price, category) values ('Cheeseburger', 'Beef patty with cheddar cheese, lettuce, and tomato.', 10.99, 'Burger');
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insert into menu (name, description, price, category) values ('Chicken Burger', null, 11.49, 'Burger');
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insert into menu (name, description, price, category) values ('Caesar Salad', 'Romaine lettuce, croutons, parmesan, and Caesar dressing.', 8.99, 'Salad');
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insert into menu (name, description, price, category) values ('Greek Salad', null, 9.49, 'Salad');
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insert into menu (name, description, price, category) values ('French Fries', 'Crispy golden potato fries.', 4.99, 'Side');
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insert into menu (name, description, price, category) values ('Onion Rings', null, 5.49, 'Side');
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insert into menu (name, description, price, category) values ('Espresso', null, 2.99, 'Drink');
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insert into menu (name, description, price, category) values ('Cappuccino', 'Espresso with steamed milk and milk foam.', 4.49, 'Drink');
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insert into menu (name, description, price, category) values ('Chocolate Cake', null, 6.99, 'Dessert');
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insert into menu (name, description, price, category) values ('Cheesecake', 'Creamy cheesecake served with berry sauce.', 7.49, 'Dessert');
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-- =======================================================
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-- VERIFICATION QUERIES
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-- =======================================================
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SELECT * FROM users;
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SELECT * FROM menu;
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SELECT * FROM orders;
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SELECT * FROM order_details;
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