Update Saqel Platform: 2026-09-08 13:55:24

backend/migrations/20260908_runtime_schema_consolidation.sql

@@ -0,0 +1,34 @@
+-- Consolidates additive schema previously created lazily by request handlers.
+-- Run once on staging/production before disabling runtime DDL.
+
+ALTER TABLE `teachers`
+  ADD COLUMN `grades_taught` TEXT NULL,
+  ADD COLUMN `school_name` VARCHAR(255) NULL;
+
+ALTER TABLE `exam_attempts`
+  ADD COLUMN `completed_at` TIMESTAMP NULL DEFAULT NULL AFTER `ai_diagnostic_report`;
+
+CREATE TABLE IF NOT EXISTS `teacher_reviews` (
+  `id` BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
+  `teacher_id` BIGINT UNSIGNED NOT NULL,
+  `student_id` BIGINT UNSIGNED NOT NULL,
+  `course_id` BIGINT UNSIGNED NULL,
+  `lesson_id` BIGINT UNSIGNED NULL,
+  `rating_overall` DECIMAL(3,2) NOT NULL DEFAULT 5.00,
+  `rating_clarity` INT NOT NULL DEFAULT 5,
+  `rating_response_speed` INT NOT NULL DEFAULT 5,
+  `rating_socratic_interaction` INT NOT NULL DEFAULT 5,
+  `review_text` TEXT NULL,
+  `review_weight` DECIMAL(4,3) NOT NULL DEFAULT 1.000,
+  `student_watch_percentage` DECIMAL(5,2) NOT NULL DEFAULT 100.00,
+  `socratic_accuracy_rate` DECIMAL(5,2) NOT NULL DEFAULT 100.00,
+  `is_flagged_anomaly` TINYINT(1) NOT NULL DEFAULT 0,
+  `is_verified` TINYINT(1) NOT NULL DEFAULT 1,
+  `created_at` TIMESTAMP NULL DEFAULT CURRENT_TIMESTAMP,
+  PRIMARY KEY (`id`),
+  KEY `idx_teacher_reviews_teacher` (`teacher_id`),
+  KEY `idx_teacher_reviews_student` (`student_id`),
+  CONSTRAINT `fk_tr_teacher` FOREIGN KEY (`teacher_id`) REFERENCES `teachers` (`id`) ON DELETE CASCADE,
+  CONSTRAINT `fk_tr_student` FOREIGN KEY (`student_id`) REFERENCES `students` (`id`) ON DELETE CASCADE
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+