Geo-distance query - Tablestore - Alibaba Cloud Documentation Center

GeoDistanceQuery specifies the configurations of a geo-distance query. You can specify a circular geographical area that consists of a central point and radius as a query condition. Tablestore returns the rows in which the value of the specified column falls within the geographical circular area.

Data structure

message GeoDistanceQuery {
    optional string field_name = 1;
    optional string center_point = 2;
    optional double distance = 3;
}

Parameter	Type	Required	Description
field_name	string	Yes	The name of the attribute column. The column type must be GeoPoint.
center_point	string	Yes	The coordinate pair of the central point. The coordinate pair consists of latitude and longitude values. The value must be in the `latitude,longitude` format. Valid values of latitude: `[-90,+90]`. Valid values of longitude: `[-180,+180]`. For example, you can specify `35.8,-45.91`.
distance	double	Yes	The radius of the circular geographic area. Unit: meter.