sledgepos.sql

SET SQL_MODE = "NO_AUTO_VALUE_ON_ZERO";
START TRANSACTION;
SET time_zone = "+00:00";

CREATE TABLE `categories` (
  `id` int(11) NOT NULL,
  `name` varchar(100) NOT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci;


CREATE TABLE `orders` (
  `id` int(11) NOT NULL,
  `order_date` datetime NOT NULL,
  `total` decimal(10,2) NOT NULL,
  `tax` decimal(10,2) NOT NULL,
  `subtotal` decimal(10,2) NOT NULL,
  `user_id` int(11) NOT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci;


CREATE TABLE `order_items` (
  `id` int(11) NOT NULL,
  `order_id` int(11) NOT NULL,
  `product_id` int(11) NOT NULL,
  `quantity` int(11) NOT NULL,
  `price` decimal(10,2) NOT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci;

CREATE TABLE `products` (
  `id` int(11) NOT NULL,
  `name` varchar(100) NOT NULL,
  `price` decimal(10,2) NOT NULL,
  `category_id` int(11) NOT NULL,
  `image_url` varchar(255) DEFAULT NULL,
  `barcode` varchar(100) NOT NULL DEFAULT '',
  `tax_rate` int(11) NOT NULL DEFAULT 19
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci;

CREATE TABLE `users` (
  `id` int(11) NOT NULL,
  `username` varchar(50) NOT NULL,
  `password` varchar(255) NOT NULL,
  `role` enum('admin','cashier') DEFAULT 'cashier'
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci;

ALTER TABLE `categories`
  ADD PRIMARY KEY (`id`);


ALTER TABLE `orders`
  ADD PRIMARY KEY (`id`),
  ADD KEY `user_id` (`user_id`);

ALTER TABLE `order_items`
  ADD PRIMARY KEY (`id`),
  ADD KEY `order_id` (`order_id`),
  ADD KEY `product_id` (`product_id`);

ALTER TABLE `products`
  ADD PRIMARY KEY (`id`),
  ADD KEY `category_id` (`category_id`);


ALTER TABLE `users`
  ADD PRIMARY KEY (`id`),
  ADD UNIQUE KEY `username` (`username`);


ALTER TABLE `categories`
  MODIFY `id` int(11) NOT NULL AUTO_INCREMENT;


ALTER TABLE `orders`
  MODIFY `id` int(11) NOT NULL AUTO_INCREMENT;

ALTER TABLE `order_items`
  MODIFY `id` int(11) NOT NULL AUTO_INCREMENT;


ALTER TABLE `products`
  MODIFY `id` int(11) NOT NULL AUTO_INCREMENT;


ALTER TABLE `users`
  MODIFY `id` int(11) NOT NULL AUTO_INCREMENT;


ALTER TABLE `orders`
  ADD CONSTRAINT `orders_ibfk_1` FOREIGN KEY (`user_id`) REFERENCES `users` (`id`);


ALTER TABLE `order_items`
  ADD CONSTRAINT `order_items_ibfk_1` FOREIGN KEY (`order_id`) REFERENCES `orders` (`id`),
  ADD CONSTRAINT `order_items_ibfk_2` FOREIGN KEY (`product_id`) REFERENCES `products` (`id`);

ALTER TABLE `products`
  ADD CONSTRAINT `products_ibfk_1` FOREIGN KEY (`category_id`) REFERENCES `categories` (`id`);
COMMIT;