Using POSTGIS to find points of interest within a radius(用postgis搜索某点半径内POI点)
I'verecentlylookedintousing PostGIS,anextensionthatenablessupportforspatialobjectsinPostgresSQLdatabase.TheproblemIwastryingtosolveis,givenapointwith(longitude,latitude),howcanIfindallotherpointswithi