150 lines
8.2 KiB
SQL
150 lines
8.2 KiB
SQL
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-- =========================================================================
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-- 存量升级：D17 一锁多网关（v1 库）
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--
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-- 背景：v1 的 lock_device 只有单个 gateway_id/group_id，同一把锁被两个网关
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-- 登记时后写入覆盖前值。D17 新增 lock_device_gateway 作为归属事实源：
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-- 一个 (device_id, gateway_id) 一行，分别记录该网关视角下的信号、在线、
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-- locklist 下发状态；lock_device.gateway_id/group_id 退化为「当前主控网关」
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-- 缓存，下发前由 RouteResolver 按 R1-R4 实时选路。
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--
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-- 执行前置：
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-- 1) 停止应用（至少停止门禁业务的下发与上行消费）；
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-- 2) 备份 lock_device / lock_gateway / sys_dict_type / sys_dict_data；
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-- 3) 先执行本脚本，再发布包含 D17 代码的版本。旧代码不认识新表，可继续
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-- 运行；新代码在归属表为空时会拒绝下发，因此不要跳过回填。
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--
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-- 可重复执行：建表用 if not exists，回填用 insert ... on duplicate key update。
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-- =========================================================================
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set names utf8mb4;
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-- =========================================================================
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-- 1、门锁-网关归属表
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-- =========================================================================
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create table if not exists lock_device_gateway (
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rel_id bigint(20) not null auto_increment comment '归属关系ID',
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device_id bigint(20) not null comment '门锁ID（lock_device.device_id）',
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gateway_id bigint(20) not null comment '网关ID（lock_gateway.gateway_id）',
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signal_strength varchar(8) default null comment '该网关视角下的锁信号强度（dBm，如 -42，用于选路比较）',
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last_signal_time datetime comment '该网关最后一次上报本锁信号/状态的时间',
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online_status char(1) default '2' comment '该网关视角下的锁在线状态（0在线 1离线 2未知，字典 lock_online_status）',
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bind_status char(1) default '0' comment 'locklist 下发状态（0待下发 1已下发 2下发失败，字典 lock_bind_status）',
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bind_msg varchar(512) default null comment 'locklist 下发结果说明',
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bind_time datetime comment '首次登记到该网关的时间',
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last_sync_time datetime comment '最后一次 locklist 同步时间',
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status char(1) default '0' comment '状态（0正常 1停用）',
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del_flag char(1) default '0' comment '删除标志（0代表存在 2代表删除）',
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create_by varchar(64) default '' comment '创建者',
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create_time datetime comment '创建时间',
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update_by varchar(64) default '' comment '更新者',
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update_time datetime comment '更新时间',
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remark varchar(500) default null comment '备注',
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primary key (rel_id),
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unique key uk_lock_device_gateway (device_id, gateway_id),
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key idx_lock_dg_gateway (gateway_id),
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key idx_lock_dg_device (device_id),
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key idx_lock_dg_route (gateway_id, online_status, last_signal_time),
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key idx_lock_dg_bind (bind_status)
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) engine=innodb comment = '门锁-网关归属表';
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-- =========================================================================
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-- 2、回填：存量「一锁一网关」关系转成归属记录
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-- - 只回填网关仍存在的记录；
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-- - bind_status 记为 1（已下发）：这些锁在旧模型下已经实际绑定并在用，
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-- 若不确定，可在回填后统一改为 0（待下发）并由后台重新下发 locklist；
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-- - 信号/在线取 lock_device 上的聚合值，作为该网关视角的初始值。
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-- =========================================================================
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insert into lock_device_gateway (
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device_id, gateway_id, signal_strength, last_signal_time, online_status,
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bind_status, bind_time, last_sync_time, status, del_flag, create_by, create_time, remark
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)
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select d.device_id,
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d.gateway_id,
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d.signal_strength,
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d.last_status_time,
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coalesce(d.online_status, '2'),
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'1',
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d.bind_time,
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d.bind_time,
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'0',
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'0',
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'migrate',
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now(),
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'D17 存量回填'
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from lock_device d
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join lock_gateway g on g.gateway_id = d.gateway_id
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where d.gateway_id is not null
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and d.del_flag = '0'
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and g.del_flag = '0'
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on duplicate key update
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status = '0',
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del_flag = '0',
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update_by = 'migrate',
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update_time = now();
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-- =========================================================================
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-- 3、校正主控网关缓存：group_id 以网关实际分组为准
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-- 回填后把 lock_device.group_id 与网关分组对齐，避免旧数据中的冗余列失真。
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-- =========================================================================
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update lock_device d
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join lock_gateway g on g.gateway_id = d.gateway_id
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set d.group_id = g.group_id,
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d.update_time = now()
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where d.gateway_id is not null
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and (d.group_id is null or d.group_id <> g.group_id);
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-- =========================================================================
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-- 4、字典：lock_bind_status（locklist 下发状态）
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-- =========================================================================
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delete from sys_dict_data where dict_type = 'lock_bind_status';
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delete from sys_dict_type where dict_type = 'lock_bind_status';
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insert into sys_dict_type (dict_name, dict_type, status, create_by, create_time, remark) values
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('门锁绑定状态', 'lock_bind_status', '0', 'admin', now(), 'locklist 下发状态');
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insert into sys_dict_data (dict_sort, dict_label, dict_value, dict_type, css_class, list_class, is_default, status, create_by, create_time, remark) values
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(1, '待下发', '0', 'lock_bind_status', '', 'info', 'Y', '0', 'admin', now(), ''),
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(2, '已下发', '1', 'lock_bind_status', '', 'success', 'N', '0', 'admin', now(), '网关已接收 locklist'),
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(3, '下发失败', '2', 'lock_bind_status', '', 'danger', 'N', '0', 'admin', now(), '');
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-- =========================================================================
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-- 5、执行后核对（只读，按需执行）
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-- =========================================================================
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-- 5.1 归属记录数与已绑定门锁数应一致
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-- select (select count(1) from lock_device_gateway where del_flag = '0') as rel_cnt,
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-- (select count(1) from lock_device where gateway_id is not null and del_flag = '0') as bound_device_cnt;
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--
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-- 5.2 已绑定但缺归属记录的门锁（应为空；有值说明网关已删除或回填被跳过）
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-- select d.device_id, d.device_sn, d.gateway_id
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-- from lock_device d
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-- left join lock_device_gateway dg
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-- on dg.device_id = d.device_id and dg.gateway_id = d.gateway_id and dg.del_flag = '0'
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-- where d.gateway_id is not null and d.del_flag = '0' and dg.rel_id is null;
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--
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-- 5.3 主控缓存与归属表不一致的门锁（下发前会由 RouteResolver 实时纠正）
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-- select d.device_id, d.device_sn, d.gateway_id, d.group_id, g.group_id as gateway_group_id
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-- from lock_device d
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-- left join lock_gateway g on g.gateway_id = d.gateway_id
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-- where d.gateway_id is not null and d.group_id <> g.group_id;
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--
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-- 5.4 字典
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-- select dict_type, count(1) from sys_dict_data
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-- where dict_type = 'lock_bind_status' group by dict_type; -- 期望 3
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-- =========================================================================
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-- 6、回滚
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-- 新代码依赖归属表，不能只删表：先回退到不含 D17 的应用版本，再执行：
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-- delete from sys_dict_data where dict_type = 'lock_bind_status';
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-- delete from sys_dict_type where dict_type = 'lock_bind_status';
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-- drop table if exists lock_device_gateway;
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-- lock_device.gateway_id/group_id 未被本脚本改写（仅按网关分组校正了
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-- group_id），回退后旧代码可直接按原字段工作。已执行的 group_id 校正如需
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-- 还原，请使用备份。
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-- =========================================================================
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