first commit

2026-06-20 14:22:31 +08:00
commit c2498911ab
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+-- 自动快照/备份策略重构迁移
+-- 1. 将 interval_hours 改为 interval_minutes（支持更细粒度的频率设置）
+-- 2. 移除 retention_count（额度直接继承自套餐包）
+
+-- =====================================================
+-- 1. 修改 snapshot_policies 表
+-- =====================================================
+
+-- 添加 interval_minutes 字段，默认值为原 interval_hours * 60
+ALTER TABLE "snapshot_policies" ADD COLUMN "interval_minutes" INTEGER NOT NULL DEFAULT 360;
+
+-- 迁移现有数据：将 interval_hours 转换为分钟
+UPDATE "snapshot_policies" SET "interval_minutes" = "interval_hours" * 60;
+
+-- 删除旧字段
+ALTER TABLE "snapshot_policies" DROP COLUMN "interval_hours";
+ALTER TABLE "snapshot_policies" DROP COLUMN "retention_count";
+
+-- =====================================================
+-- 2. 修改 backup_policies 表
+-- =====================================================
+
+-- 添加 interval_minutes 字段，默认值为原 interval_hours * 60
+ALTER TABLE "backup_policies" ADD COLUMN "interval_minutes" INTEGER NOT NULL DEFAULT 1440;
+
+-- 迁移现有数据：将 interval_hours 转换为分钟
+UPDATE "backup_policies" SET "interval_minutes" = "interval_hours" * 60;
+
+-- 删除旧字段
+ALTER TABLE "backup_policies" DROP COLUMN "interval_hours";
+ALTER TABLE "backup_policies" DROP COLUMN "retention_count";