使用 ST_SPHERICALDISTANCE 的两个地理坐标之间的 Teradata 距离

Question

我了解到，在 Teradata 版本 13 及更高版本中，您可以使用 ST_SPHERICALDISTANCE 计算地理距离。我在 Teradata 中写了一个简单的测试查询：

Select
Cast('POINT(-35.0000, 150.0000)' As ST_GEOMETRY) As location1,
Cast('POINT(-35.0000, 149.0000)' As ST_GEOMETRY) As location2,
location1.ST_SPHERICALDISTANCE(location2) As Distance_In_km

但收到以下错误：

Teradata row not delivered (trget): 13 OGRGeometryFactoryX::createFromWkt failed.

这是查询或配置的问题吗？谢谢

Answer 1

只需删除点定义中的逗号:)

Select
Cast('POINT(-35.0000 150.0000)' As ST_GEOMETRY) As location1,
Cast('POINT(-35.0000 149.0000)' As ST_GEOMETRY) As location2,
location1.ST_SPHERICALDISTANCE(location2) As Distance_In_km

顺便说一句，另一种创建点的方法：

NEW ST_GEOMETRY('POINT(-35.0000 150.0000)')

使用 ST_SPHERICALDISTANCE 的两个地理坐标之间的 Teradata 距离

Teradata distance between two geo-coordinates using ST_SPHERICALDISTANCE

sql

geospatial

teradata