53 lines
2.0 KiB
SQL
53 lines
2.0 KiB
SQL
-- Пользователи, корзина, заказы
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CREATE TABLE IF NOT EXISTS users (
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id SERIAL PRIMARY KEY,
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email VARCHAR(255) UNIQUE NOT NULL,
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password_hash VARCHAR(255) NOT NULL,
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name VARCHAR(255) NOT NULL DEFAULT '',
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phone VARCHAR(50) NOT NULL DEFAULT '',
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address TEXT NOT NULL DEFAULT '',
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created_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
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);
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CREATE TABLE IF NOT EXISTS carts (
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id SERIAL PRIMARY KEY,
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user_id INT REFERENCES users(id) ON DELETE CASCADE,
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session_key VARCHAR(64) NOT NULL DEFAULT '',
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updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
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);
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CREATE UNIQUE INDEX IF NOT EXISTS idx_carts_user ON carts (user_id) WHERE user_id IS NOT NULL;
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CREATE UNIQUE INDEX IF NOT EXISTS idx_carts_session ON carts (session_key) WHERE user_id IS NULL;
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CREATE TABLE IF NOT EXISTS cart_items (
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id SERIAL PRIMARY KEY,
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cart_id INT NOT NULL REFERENCES carts(id) ON DELETE CASCADE,
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product_id INT NOT NULL REFERENCES products(id) ON DELETE CASCADE,
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quantity INT NOT NULL DEFAULT 1 CHECK (quantity > 0),
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UNIQUE (cart_id, product_id)
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);
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CREATE TABLE IF NOT EXISTS orders (
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id SERIAL PRIMARY KEY,
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user_id INT REFERENCES users(id) ON DELETE SET NULL,
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guest_name VARCHAR(255) NOT NULL DEFAULT '',
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guest_email VARCHAR(255) NOT NULL DEFAULT '',
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guest_phone VARCHAR(50) NOT NULL DEFAULT '',
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address TEXT NOT NULL DEFAULT '',
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total NUMERIC(10, 2) NOT NULL DEFAULT 0,
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status VARCHAR(50) NOT NULL DEFAULT 'new',
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created_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
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);
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CREATE TABLE IF NOT EXISTS order_items (
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id SERIAL PRIMARY KEY,
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order_id INT NOT NULL REFERENCES orders(id) ON DELETE CASCADE,
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product_id INT NOT NULL,
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product_name VARCHAR(255) NOT NULL,
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price NUMERIC(10, 2) NOT NULL,
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quantity INT NOT NULL CHECK (quantity > 0)
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);
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CREATE INDEX IF NOT EXISTS idx_orders_user ON orders (user_id);
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