Note
Access to this page requires authorization. You can try signing in or changing directories.
Access to this page requires authorization. You can try changing directories.
Applies to: 
Databricks SQL 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 true if the input GEOGRAPHY or GEOMETRY value does not contain any non-empty points.
Syntax
st_isempty ( geoExpr )
Arguments
geoExpr: AGEOGRAPHYorGEOMETRYvalue.
Returns
A value of type BOOLEAN, true if the input GEOGRAPHY or GEOMETRY value does not contain any non-empty points.
The function returns NULL if the input is NULL.
Examples
-- Returns false for geometry containing non-empty points.
> SELECT st_isempty(st_geomfromtext('MULTIPOINT(10 34,44 57,EMPTY)'));
false
-- Returns true for geometry containing only empty points.
> SELECT st_isempty(st_geogfromtext('MULTIPOINT(EMPTY,EMPTY)'));
true