PostGis判断两个地理信息的距离是否小于某个值

by giser · 2019-04-03

st_dwithin(geom1, geom2, distance) –> 如果geom1和geom2的距离小于distance就返回true, 否则返回false

转载自：https://blog.csdn.net/hodd1988/article/details/8803393