chore: 重写初始提交(清空历史,整理后全量提交)

addon/mqttbroker/upgrade_time_fields.sql

@@ -0,0 +1,37 @@
+-- ============================================================
+-- addon/mqttbroker/upgrade_time_fields.sql
+-- 时间字段统一约定：create_at / update_at / delete_at
+-- 适用：已安装过 mqttbroker 插件的旧库（install.sql 的 IF NOT EXISTS 不会改已存在的表）
+-- 用法：在数据库客户端执行本文件即可（幂等，重复执行仅 CHANGE 同名列，无副作用）
+-- ============================================================
+
+ALTER TABLE `__PREFIX__mqttbroker_connection`
+  CHANGE `connect_time` `create_at` INT DEFAULT NULL COMMENT '连接时间',
+  CHANGE `update_time`  `update_at` INT DEFAULT NULL COMMENT '更新时间';
+
+ALTER TABLE `__PREFIX__mqttbroker_message`
+  CHANGE `create_time` `create_at` INT DEFAULT NULL COMMENT '时间',
+  DROP INDEX `idx_create_time`,
+  ADD INDEX `idx_create_at` (`create_at`);
+
+ALTER TABLE `__PREFIX__mqttbroker_topic`
+  CHANGE `create_time` `create_at` INT DEFAULT NULL COMMENT '订阅时间';
+
+ALTER TABLE `__PREFIX__mqttbroker_auth`
+  CHANGE `create_time` `create_at` INT DEFAULT NULL,
+  CHANGE `update_time` `update_at` INT DEFAULT NULL;
+
+ALTER TABLE `__PREFIX__mqttbroker_acl`
+  CHANGE `create_time` `create_at` INT DEFAULT NULL;
+
+ALTER TABLE `__PREFIX__mqttbroker_retain`
+  CHANGE `update_time` `update_at` INT DEFAULT NULL;
+
+ALTER TABLE `__PREFIX__mqttbroker_offline`
+  CHANGE `create_time` `create_at` INT DEFAULT NULL;
+
+ALTER TABLE `__PREFIX__mqttbroker_rule`
+  CHANGE `create_time` `create_at` INT DEFAULT NULL;
+
+ALTER TABLE `__PREFIX__mqttbroker_outbox`
+  CHANGE `create_time` `create_at` INT DEFAULT NULL;