st_geometrytype function
Applies to: 
Databricks Runtime 17.1 and above
Preview
This feature is in Public Preview.
Returns the type of the input GEOGRAPHY or GEOMETRY value as a string.
Syntax
st_geometrytype ( geoExpr )
Arguments
geoExpr: AGEOGRAPHYorGEOMETRYvalue.
Returns
A value of type STRING, representing the type of the input geometry.
The value returned is as follows:
- For points, the expression returns
ST_Point. - For linestrings, the expression returns
ST_LineString. - For polygons, the expression returns
ST_Polygon. - For multipoints, the expression returns
ST_MultiPoint. - For multilinestrings, the expression returns
ST_MultiLineString. - For multipolygons, the expression returns
ST_MultiPolygon. - For geometry collections, the expression returns
ST_GeometryCollection.
The function returns NULL if the input is NULL.
Examples
SQL
-- Returns the type of a point geometry.
> SELECT st_geometrytype(st_geomfromtext('POINT(4 5)'));
ST_Point
-- Returns the type of a geometry collection.
> SELECT st_geometrytype(st_geomfromtext('GEOMETRYCOLLECTION(POINT(4 5),LINESTRING(-4 5,7 8))'));
ST_GeometryCollection