Files
shop10/postgres/init/01_schema.sql
T

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SQL

-- PostgreSQL 17 — схема магазина
CREATE TABLE IF NOT EXISTS users (
id SERIAL PRIMARY KEY,
email TEXT NOT NULL UNIQUE,
password_hash TEXT NOT NULL,
name TEXT NOT NULL,
role TEXT NOT NULL DEFAULT 'customer'
CHECK (role IN ('customer', 'admin')),
created_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
);
CREATE INDEX IF NOT EXISTS idx_users_role ON users(role);
CREATE TABLE IF NOT EXISTS categories (
id SERIAL PRIMARY KEY,
slug TEXT NOT NULL UNIQUE,
name TEXT NOT NULL
);
CREATE TABLE IF NOT EXISTS products (
id SERIAL PRIMARY KEY,
category_id INTEGER REFERENCES categories(id) ON DELETE SET NULL,
slug TEXT NOT NULL UNIQUE,
name TEXT NOT NULL,
description TEXT NOT NULL DEFAULT '',
price_cents INTEGER NOT NULL CHECK (price_cents >= 0),
stock INTEGER NOT NULL DEFAULT 0 CHECK (stock >= 0),
image_url TEXT,
created_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
);
CREATE TABLE IF NOT EXISTS orders (
id SERIAL PRIMARY KEY,
user_id INTEGER NOT NULL REFERENCES users(id),
status TEXT NOT NULL DEFAULT 'pending'
CHECK (status IN ('pending', 'paid', 'shipped', 'cancelled')),
total_cents INTEGER NOT NULL CHECK (total_cents >= 0),
customer_name TEXT NOT NULL,
customer_email TEXT NOT NULL,
customer_phone TEXT NOT NULL DEFAULT '',
address TEXT NOT NULL,
created_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
);
CREATE TABLE IF NOT EXISTS order_items (
id SERIAL PRIMARY KEY,
order_id INTEGER NOT NULL REFERENCES orders(id) ON DELETE CASCADE,
product_id INTEGER NOT NULL REFERENCES products(id),
quantity INTEGER NOT NULL CHECK (quantity > 0),
price_cents INTEGER NOT NULL CHECK (price_cents >= 0)
);
CREATE INDEX IF NOT EXISTS idx_products_category ON products(category_id);
CREATE INDEX IF NOT EXISTS idx_orders_user ON orders(user_id);
CREATE INDEX IF NOT EXISTS idx_products_name ON products(name);