STIsEmpty (geometry Data Type)

**APPLIES TO:** SQL Server (starting with 2008) Azure SQL Database Azure SQL Data Warehouse Parallel Data Warehouse

Returns 1 if a geometry instance is empty. Returns 0 if a geometry instance is not empty.

Syntax

  
.STIsEmpty ( )  

Return Types

SQL Server return type: bit

CLR return type: SqlBoolean

Examples

The following example creates an empty geometry instance and uses STIsEmpty() to test whether the instance is empty.

DECLARE @g geometry;  
SET @g = geometry::STGeomFromText('POLYGON EMPTY', 0);  
SELECT @g.STIsEmpty();  

See Also

OGC Methods on Geometry Instances