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st_asewkt 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.

Returns the input GEOGRAPHY or GEOMETRY value in Extended WKT (EWKT) format.

Syntax

st_asbinary ( geoExpr )

Arguments

  • geoExpr: A GEOGRAPHY or GEOMETRY value.

Returns

A value of type STRING. The returned value is the Extended WKT (EWKT) description of the input GEOGRAPHY or GEOMETRY value.

The function returns NULL if the input is NULL.

Examples

-- Export a 3DZ Cartesian point, given in GeoJSON format, in EWKT format.
> SELECT st_asewkt(st_geomfromgeojson('{"type":"Point","coordinates":[2.718281828,3.141592653,100]}'));
  SRID=4326;POINT Z (2.718281828 3.141592653 100)