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บริหารจัดการงานเปล/database_v5.sql

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+-- 1. เพิ่มคอมลัมน์ใหม่ในตาราง jobs
+ALTER TABLE `jobs` 
+ADD COLUMN `is_scheduled` TINYINT(1) DEFAULT 0 AFTER `equipment_id`,
+ADD COLUMN `scheduled_time` DATETIME DEFAULT NULL AFTER `is_scheduled`,
+ADD COLUMN `infection_control` TINYINT(1) DEFAULT 0 AFTER `scheduled_time`,
+ADD COLUMN `rating` INT DEFAULT NULL AFTER `completed_at`,
+ADD COLUMN `feedback` TEXT DEFAULT NULL AFTER `rating`;
+
+-- 2. สร้างตาราง job_messages (แชท)
+CREATE TABLE IF NOT EXISTS `job_messages` (
+  `id` INT AUTO_INCREMENT PRIMARY KEY,
+  `job_id` INT NOT NULL,
+  `user_id` INT NOT NULL,
+  `message` TEXT NOT NULL,
+  `created_at` TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+  FOREIGN KEY (`job_id`) REFERENCES `jobs`(`id`) ON DELETE CASCADE,
+  FOREIGN KEY (`user_id`) REFERENCES `users`(`id`) ON DELETE CASCADE
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;