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Use CREATE TABLE IF NOT EXISTS and full DROP coverage in database_schema.sql

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Hamza-Ayed
2026-08-28 04:29:47 +03:00
parent 62ab0ab9a0
commit 1d6ba50b21
1 changed files with 26 additions and 24 deletions
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backend/database_schema.sql
+26 -24
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@@ -8,13 +8,15 @@ SET FOREIGN_KEY_CHECKS = 0;
-- ------------------------------------------------------------------------------
-- DROP ALL EXISTING TABLES IN REVERSE ORDER TO PREVENT FOREIGN KEY CONFLICTS
-- ------------------------------------------------------------------------------
DROP TABLE IF EXISTS `chat_messages`;
DROP TABLE IF EXISTS `student_mastery_analytics`;
DROP TABLE IF EXISTS `student_question_answers`;
DROP TABLE IF EXISTS `exam_attempts`;
DROP TABLE IF EXISTS `question_options`;
DROP TABLE IF EXISTS `questions`;
DROP TABLE IF EXISTS `exams`;
DROP TABLE IF EXISTS `quizzes`;
DROP TABLE IF EXISTS `chat_messages`;
DROP TABLE IF EXISTS `otp_verifications`;
DROP TABLE IF EXISTS `user_devices`;
DROP TABLE IF EXISTS `voice_notes`;
@@ -31,7 +33,7 @@ DROP TABLE IF EXISTS `schools`;
-- ------------------------------------------------------------------------------
-- 1. Table: schools (المدارس والجهات الشريكة - B2B مثل الثقافة العسكرية)
-- ------------------------------------------------------------------------------
CREATE TABLE `schools` (
CREATE TABLE IF NOT EXISTS `schools` (
`id` BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
`uuid` CHAR(36) NOT NULL,
`name` VARCHAR(255) NOT NULL,
@@ -50,7 +52,7 @@ CREATE TABLE `schools` (
-- ------------------------------------------------------------------------------
-- 2. Table: users (المستخدمون الموحدون - طلاب، معلمون، أولياء أمور، إدارة)
-- ------------------------------------------------------------------------------
CREATE TABLE `users` (
CREATE TABLE IF NOT EXISTS `users` (
`id` BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
`uuid` CHAR(36) NOT NULL,
`full_name` TEXT NOT NULL,
@@ -75,7 +77,7 @@ CREATE TABLE `users` (
-- ------------------------------------------------------------------------------
-- 3. Table: guardian_student (ربط أولياء الأمور بالأبناء - N:M)
-- ------------------------------------------------------------------------------
CREATE TABLE `guardian_student` (
CREATE TABLE IF NOT EXISTS `guardian_student` (
`id` BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
`guardian_id` BIGINT UNSIGNED NOT NULL,
`student_id` BIGINT UNSIGNED NOT NULL,
@@ -92,7 +94,7 @@ CREATE TABLE `guardian_student` (
-- ------------------------------------------------------------------------------
-- 4. Table: teacher_profiles (ملفات المعلمين ونسب الأرباح)
-- ------------------------------------------------------------------------------
CREATE TABLE `teacher_profiles` (
CREATE TABLE IF NOT EXISTS `teacher_profiles` (
`id` BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
`user_id` BIGINT UNSIGNED NOT NULL,
`bio` TEXT DEFAULT NULL,
@@ -109,7 +111,7 @@ CREATE TABLE `teacher_profiles` (
-- ------------------------------------------------------------------------------
-- 5. Table: subjects (المواد التعليمية)
-- ------------------------------------------------------------------------------
CREATE TABLE `subjects` (
CREATE TABLE IF NOT EXISTS `subjects` (
`id` BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
`name` VARCHAR(150) NOT NULL,
`code` VARCHAR(50) NOT NULL UNIQUE,
@@ -122,7 +124,7 @@ CREATE TABLE `subjects` (
-- ------------------------------------------------------------------------------
-- 6. Table: courses (الدورات التدريبية)
-- ------------------------------------------------------------------------------
CREATE TABLE `courses` (
CREATE TABLE IF NOT EXISTS `courses` (
`id` BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
`uuid` CHAR(36) NOT NULL,
`subject_id` BIGINT UNSIGNED NOT NULL,
@@ -146,7 +148,7 @@ CREATE TABLE `courses` (
-- ------------------------------------------------------------------------------
-- 7. Table: lessons (الدروس والفيديوهات المربوطة بـ Bunny Stream)
-- ------------------------------------------------------------------------------
CREATE TABLE `lessons` (
CREATE TABLE IF NOT EXISTS `lessons` (
`id` BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
`course_id` BIGINT UNSIGNED NOT NULL,
`title` VARCHAR(255) NOT NULL,
@@ -164,7 +166,7 @@ CREATE TABLE `lessons` (
-- ------------------------------------------------------------------------------
-- 8. Table: exams (الامتحانات الشاملة: درس، وحدة، فصل، ومحاكاة وزاري)
-- ------------------------------------------------------------------------------
CREATE TABLE `exams` (
CREATE TABLE IF NOT EXISTS `exams` (
`id` BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
`uuid` CHAR(36) NOT NULL,
`course_id` BIGINT UNSIGNED NOT NULL,
@@ -197,7 +199,7 @@ CREATE TABLE `exams` (
-- ------------------------------------------------------------------------------
-- 9. Table: questions (الأسئلة والتحليل المعرفي للذكاء الاصطناعي)
-- ------------------------------------------------------------------------------
CREATE TABLE `questions` (
CREATE TABLE IF NOT EXISTS `questions` (
`id` BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
`uuid` CHAR(36) NOT NULL,
`exam_id` BIGINT UNSIGNED NOT NULL,
@@ -219,7 +221,7 @@ CREATE TABLE `questions` (
-- ------------------------------------------------------------------------------
-- 10. Table: question_options (خيارات الإجابة والتغذية الراجعة)
-- ------------------------------------------------------------------------------
CREATE TABLE `question_options` (
CREATE TABLE IF NOT EXISTS `question_options` (
`id` BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
`question_id` BIGINT UNSIGNED NOT NULL,
`option_text` TEXT NOT NULL,
@@ -233,7 +235,7 @@ CREATE TABLE `question_options` (
-- ------------------------------------------------------------------------------
-- 11. Table: exam_attempts (محاولات ونتائج الامتحانات وتحليل الذكاء الاصطناعي)
-- ------------------------------------------------------------------------------
CREATE TABLE `exam_attempts` (
CREATE TABLE IF NOT EXISTS `exam_attempts` (
`id` BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
`uuid` CHAR(36) NOT NULL,
`student_id` BIGINT UNSIGNED NOT NULL,
@@ -259,7 +261,7 @@ CREATE TABLE `exam_attempts` (
-- ------------------------------------------------------------------------------
-- 12. Table: student_question_answers (تفاصيل إجابات الطالب على كل سؤال)
-- ------------------------------------------------------------------------------
CREATE TABLE `student_question_answers` (
CREATE TABLE IF NOT EXISTS `student_question_answers` (
`id` BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
`attempt_id` BIGINT UNSIGNED NOT NULL,
`student_id` BIGINT UNSIGNED NOT NULL,
@@ -282,7 +284,7 @@ CREATE TABLE `student_question_answers` (
-- ------------------------------------------------------------------------------
-- 13. Table: student_mastery_analytics (مؤشر الفهم التراكمي والجاهزية للوزاري)
-- ------------------------------------------------------------------------------
CREATE TABLE `student_mastery_analytics` (
CREATE TABLE IF NOT EXISTS `student_mastery_analytics` (
`id` BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
`student_id` BIGINT UNSIGNED NOT NULL,
`course_id` BIGINT UNSIGNED NOT NULL,
@@ -305,9 +307,9 @@ CREATE TABLE `student_mastery_analytics` (
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
-- ------------------------------------------------------------------------------
-- 11. Table: lesson_progress (سجل متابعة ونبض المشاهدة)
-- 14. Table: lesson_progress (سجل متابعة ونبض المشاهدة)
-- ------------------------------------------------------------------------------
CREATE TABLE `lesson_progress` (
CREATE TABLE IF NOT EXISTS `lesson_progress` (
`id` BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
`user_id` BIGINT UNSIGNED NOT NULL,
`lesson_id` BIGINT UNSIGNED NOT NULL,
@@ -324,9 +326,9 @@ CREATE TABLE `lesson_progress` (
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
-- ------------------------------------------------------------------------------
-- 12. Table: voice_notes (الملاحظات الصوتية والتفريغ الذكي)
-- 15. Table: voice_notes (الملاحظات الصوتية والتفريغ الذكي)
-- ------------------------------------------------------------------------------
CREATE TABLE `voice_notes` (
CREATE TABLE IF NOT EXISTS `voice_notes` (
`id` BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
`uuid` CHAR(36) NOT NULL,
`user_id` BIGINT UNSIGNED NOT NULL,
@@ -344,9 +346,9 @@ CREATE TABLE `voice_notes` (
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
-- ------------------------------------------------------------------------------
-- 13. Table: user_devices (بصمة الأجهزة المربوطة بالجلسات)
-- 16. Table: user_devices (بصمة الأجهزة المربوطة بالجلسات)
-- ------------------------------------------------------------------------------
CREATE TABLE `user_devices` (
CREATE TABLE IF NOT EXISTS `user_devices` (
`id` BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
`user_id` BIGINT UNSIGNED NOT NULL,
`device_fingerprint` VARCHAR(64) NOT NULL,
@@ -361,9 +363,9 @@ CREATE TABLE `user_devices` (
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
-- ------------------------------------------------------------------------------
-- 14. Table: otp_verifications (رموز التحقق عبر منصة صقل)
-- 17. Table: otp_verifications (رموز التحقق عبر منصة صقل)
-- ------------------------------------------------------------------------------
CREATE TABLE `otp_verifications` (
CREATE TABLE IF NOT EXISTS `otp_verifications` (
`id` BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
`phone_hash` VARCHAR(64) NOT NULL,
`otp_code_hash` VARCHAR(255) NOT NULL,
@@ -376,9 +378,9 @@ CREATE TABLE `otp_verifications` (
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
-- ------------------------------------------------------------------------------
-- 15. Table: chat_messages (المحادثات المباشرة بين الطلاب والمعلمين)
-- 18. Table: chat_messages (المحادثات المباشرة بين الطلاب والمعلمين)
-- ------------------------------------------------------------------------------
CREATE TABLE `chat_messages` (
CREATE TABLE IF NOT EXISTS `chat_messages` (
`id` BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
`uuid` CHAR(36) NOT NULL,
`sender_id` BIGINT UNSIGNED NOT NULL,