- 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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