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verify/backend/migrations/migrate_to_balance.sql
2026-04-27 17:22:56 +08:00

73 lines
3.0 KiB
SQL

-- 数据库迁移脚本:统一收费模式为余额
-- 执行前请备份数据库
-- 1. 为app_users表添加balance字段(如果不存在)
ALTER TABLE app_users ADD COLUMN IF NOT EXISTS balance DECIMAL(10,2) DEFAULT 0;
-- 2. 为applications表添加相关字段(如果不存在)
ALTER TABLE applications ADD COLUMN IF NOT EXISTS deduction_cycle VARCHAR(20) DEFAULT 'per_use';
ALTER TABLE applications ADD COLUMN IF NOT EXISTS deduction_amount DECIMAL(10,2) DEFAULT 1;
ALTER TABLE applications ADD COLUMN IF NOT EXISTS trial_balance DECIMAL(10,2) DEFAULT 0;
-- 3. 为card_types表修改value字段类型(如果需要)
ALTER TABLE card_types MODIFY COLUMN value DECIMAL(10,2);
-- 4. 迁移app_users数据:将expiry_at和points转换为balance
-- 注意:这里需要根据实际业务逻辑调整转换规则
-- 4.1 对于订阅模式用户,将剩余时间转换为余额
-- 假设:1小时 = 1余额单位
UPDATE app_users au
JOIN applications a ON au.application_id = a.id
SET au.balance =
CASE
WHEN au.expiry_at IS NULL THEN 0
WHEN au.expiry_at = '9999-12-31 23:59:59' THEN -1
ELSE GREATEST(0, TIMESTAMPDIFF(HOUR, NOW(), au.expiry_at))
END
WHERE a.billing_type = 'subscription' AND au.balance = 0;
-- 4.2 对于计时模式用户,将剩余时间转换为余额
-- 假设:1分钟 = 0.01余额单位
UPDATE app_users au
JOIN applications a ON au.application_id = a.id
SET au.balance =
CASE
WHEN au.expiry_at IS NULL THEN 0
WHEN au.expiry_at = '9999-12-31 23:59:59' THEN -1
ELSE GREATEST(0, TIMESTAMPDIFF(MINUTE, NOW(), au.expiry_at) * 0.01)
END
WHERE a.billing_type = 'timer' AND au.balance = 0;
-- 4.3 对于点卡模式用户,将points转换为balance
UPDATE app_users au
JOIN applications a ON au.application_id = a.id
SET au.balance =
CASE
WHEN au.points = -1 THEN -1
ELSE COALESCE(au.points, 0)
END
WHERE a.billing_type = 'points' AND au.balance = 0;
-- 5. 更新applications表的billing_type值
-- 将'timer'保持不变,将'point'改为'count'
UPDATE applications SET billing_type = 'count' WHERE billing_type = 'point';
-- 6. 删除不再需要的字段(可选,建议保留一段时间以便回滚)
-- ALTER TABLE app_users DROP COLUMN IF EXISTS expiry_at;
-- ALTER TABLE app_users DROP COLUMN IF EXISTS points;
-- ALTER TABLE applications DROP COLUMN IF EXISTS point_deduction_cycle;
-- ALTER TABLE applications DROP COLUMN IF EXISTS points_per_cycle;
-- ALTER TABLE applications DROP COLUMN IF EXISTS point_price;
-- ALTER TABLE applications DROP COLUMN IF EXISTS trial_type;
-- ALTER TABLE applications DROP COLUMN IF EXISTS trial_duration;
-- ALTER TABLE applications DROP COLUMN IF EXISTS trial_points;
-- ALTER TABLE card_types DROP COLUMN IF EXISTS billing_type;
-- 7. 创建索引以提高查询性能
CREATE INDEX IF NOT EXISTS idx_app_users_balance ON app_users(balance);
CREATE INDEX IF NOT EXISTS idx_applications_billing_type ON applications(billing_type);
-- 迁移完成
SELECT 'Migration completed successfully!' as status;