`st_geogfromwkt` function

Applies to: Databricks SQL Databricks Runtime 17.1 and above

Preview

注記

This feature is not available on Databricks SQL Classic warehouses. To learn more about Databricks SQL warehouses, see SQL warehouse types

Parses the WKT description of a geography and returns the corresponding GEOGRAPHY value. The SRID value of the returned GEOGRAPHY value is 4326.

Syntax

st_geogfromwkt ( wktExpr )

A value of type GEOGRAPHY(4326), corresponding to the input WKT description.

The function returns NULL if the input is NULL.

If the value of wktExpr is an invalid WKT description, the function returns WKT_PARSE_ERROR.

SQL
-- Simple example.
> SELECT st_asgeojson(st_geogfromwkt('POINT Z (1 2 3)'));
  {"type":"Point","coordinates":[1,2,3]}