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st_geogfromtext function

Applies to: check marked yes Databricks SQL check marked yes Databricks Runtime 17.1 and above

Important

This feature is in Public Preview.

Note

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_geogfromtext ( wktExpr )

Arguments

  • wktExpr: A STRING value, representing a geography in WKT format.

Returns

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

The function returns NULL if the input is NULL.

Error conditions

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

Examples

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