51 lines
2.0 KiB
SQL
51 lines
2.0 KiB
SQL
CREATE TABLE IF NOT EXISTS cart (
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cart_id SERIAL PRIMARY KEY,
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user_id INTEGER REFERENCES users(user_id) ON DELETE CASCADE,
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product_id INTEGER REFERENCES products(product_id) ON DELETE CASCADE,
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quantity INTEGER DEFAULT 1 CHECK (quantity > 0),
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created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
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updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
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UNIQUE(user_id, product_id)
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);
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CREATE TABLE IF NOT EXISTS orders (
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order_id SERIAL PRIMARY KEY,
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order_number VARCHAR(50) UNIQUE NOT NULL,
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user_id INTEGER REFERENCES users(user_id) ON DELETE SET NULL,
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customer_name VARCHAR(100) NOT NULL,
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customer_email VARCHAR(255) NOT NULL,
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customer_phone VARCHAR(20) NOT NULL,
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delivery_address TEXT NOT NULL,
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delivery_region VARCHAR(100),
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postal_code VARCHAR(20),
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delivery_method VARCHAR(50) DEFAULT 'courier',
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payment_method VARCHAR(50) DEFAULT 'card',
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subtotal DECIMAL(10, 2) NOT NULL,
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discount_amount DECIMAL(10, 2) DEFAULT 0,
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delivery_price DECIMAL(10, 2) DEFAULT 0,
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final_amount DECIMAL(10, 2) NOT NULL,
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promo_code VARCHAR(50),
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status VARCHAR(30) DEFAULT 'pending',
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notes TEXT,
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created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
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updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
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completed_at TIMESTAMP
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);
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CREATE TABLE IF NOT EXISTS order_items (
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item_id SERIAL PRIMARY KEY,
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order_id INTEGER REFERENCES orders(order_id) ON DELETE CASCADE,
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product_id INTEGER REFERENCES products(product_id) ON DELETE SET NULL,
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product_name VARCHAR(200) NOT NULL,
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product_price DECIMAL(10, 2) NOT NULL,
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quantity INTEGER NOT NULL CHECK (quantity > 0),
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total_price DECIMAL(10, 2) NOT NULL,
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created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
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);
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CREATE INDEX IF NOT EXISTS idx_cart_user ON cart(user_id);
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CREATE INDEX IF NOT EXISTS idx_orders_user ON orders(user_id);
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CREATE INDEX IF NOT EXISTS idx_orders_status ON orders(status);
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CREATE INDEX IF NOT EXISTS idx_orders_created ON orders(created_at);
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CREATE INDEX IF NOT EXISTS idx_order_items_order ON order_items(order_id);
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