Returns the geometry of one component member of a composite geometry type (ST_GeomCollection, ST_MultiPoint, ST_MultiLineString, or ST_MultiPolygon). The element to be returned is specified by position with the collection.
Returns the geometry of one component member of a composite geometry type (ST_GeomCollection, ST_MultiPoint, ST_MultiLineString, or ST_MultiPolygon). The element to be returned is specified by position with the collection.