- alter table device
- add asMessageChannel int default 0;
- alter table parent_platform
- add asMessageChannel int default 0;
- alter table device
- add mediaServerId varchar(50) default null;
- ALTER TABLE device
- ADD COLUMN `switchPrimarySubStream` bit(1) NOT NULL DEFAULT b'0' COMMENT '开启主子码流切换的开关(0-不开启,1-开启)现在已知支持设备为 大华、TP——LINK全系设备' AFTER `keepalive_interval_time`
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