| alter table stream_push    add serverId varchar(50) not null;alter table device    add geoCoordSys varchar(50) not null;update device set device.geoCoordSys='WGS84';alter table device_channel    add longitudeGcj02 double default null;alter table device_channel    add latitudeGcj02 double default null;alter table device_channel    add longitudeWgs84 double default null;alter table device_channel    add latitudeWgs84 double default null;
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