分组概念

initialize/migrate/database/02142_add_groups.down.sql

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+-- Purpose: Rollback node group management tables
+-- Author: Tension
+-- Date: 2025-02-23
+-- Updated: 2025-03-06
+
+-- ===== Remove system configuration entries =====
+DELETE FROM `system` WHERE `category` = 'group' AND `key` IN ('enabled', 'mode', 'auto_create_group');
+
+-- ===== Remove columns and indexes from subscribe table =====
+ALTER TABLE `subscribe` DROP INDEX IF EXISTS `idx_node_group_id`;
+ALTER TABLE `subscribe` DROP COLUMN IF EXISTS `node_group_id`;
+ALTER TABLE `subscribe` DROP COLUMN IF EXISTS `node_group_ids`;
+
+-- ===== Remove columns and indexes from user_subscribe table =====
+ALTER TABLE `user_subscribe` DROP INDEX IF EXISTS `idx_node_group_id`;
+ALTER TABLE `user_subscribe` DROP COLUMN IF EXISTS `node_group_id`;
+
+-- ===== Remove columns and indexes from nodes table =====
+ALTER TABLE `nodes` DROP COLUMN IF EXISTS `node_group_ids`;
+
+-- ===== Drop group_history_detail table =====
+DROP TABLE IF EXISTS `group_history_detail`;
+
+-- ===== Drop group_history table =====
+DROP TABLE IF EXISTS `group_history`;
+
+-- ===== Drop node_group table =====
+DROP TABLE IF EXISTS `node_group`;