新增 競賽建立、評審建立、團隊建立

database-migration-fix.sql

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+-- 資料庫結構修復遷移腳本
+-- 用於修復競賽相關表的結構問題
+
+-- 1. 為 competition_award_types 表添加 order_index 欄位
+ALTER TABLE `competition_award_types` 
+ADD COLUMN `order_index` INT DEFAULT 0 AFTER `color`;
+
+-- 為 order_index 添加索引
+ALTER TABLE `competition_award_types` 
+ADD INDEX `idx_order` (`order_index`);
+
+-- 2. 為 competition_teams 表添加 registered_at 欄位
+ALTER TABLE `competition_teams` 
+ADD COLUMN `registered_at` TIMESTAMP DEFAULT CURRENT_TIMESTAMP AFTER `submitted_at`;
+
+-- 3. 檢查並修復外鍵約束問題
+-- 首先檢查是否有孤立的關聯記錄
+DELETE FROM `competition_judges` 
+WHERE `competition_id` NOT IN (SELECT `id` FROM `competitions`);
+
+DELETE FROM `competition_teams` 
+WHERE `competition_id` NOT IN (SELECT `id` FROM `competitions`);
+
+DELETE FROM `competition_rules` 
+WHERE `competition_id` NOT IN (SELECT `id` FROM `competitions`);
+
+DELETE FROM `competition_award_types` 
+WHERE `competition_id` NOT IN (SELECT `id` FROM `competitions`);
+
+-- 4. 確保所有表都有正確的索引
+-- competition_judges 表
+ALTER TABLE `competition_judges` 
+ADD INDEX IF NOT EXISTS `idx_competition` (`competition_id`),
+ADD INDEX IF NOT EXISTS `idx_judge` (`judge_id`);
+
+-- competition_teams 表
+ALTER TABLE `competition_teams` 
+ADD INDEX IF NOT EXISTS `idx_competition` (`competition_id`),
+ADD INDEX IF NOT EXISTS `idx_team` (`team_id`);
+
+-- competition_rules 表
+ALTER TABLE `competition_rules` 
+ADD INDEX IF NOT EXISTS `idx_competition` (`competition_id`),
+ADD INDEX IF NOT EXISTS `idx_order` (`order_index`);
+
+-- competition_award_types 表
+ALTER TABLE `competition_award_types` 
+ADD INDEX IF NOT EXISTS `idx_competition` (`competition_id`),
+ADD INDEX IF NOT EXISTS `idx_order` (`order_index`),
+ADD INDEX IF NOT EXISTS `idx_is_active` (`is_active`);
+
+-- 5. 顯示修復結果
+SELECT 'Database migration completed successfully' as status;