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