STIsEmpty (geometry Data Type)

Applies to: SQL Server Azure SQL Database Azure SQL Managed Instance SQL analytics endpoint in Microsoft Fabric Warehouse in Microsoft Fabric

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

Syntax

  
.STIsEmpty ( )  

Note

To view Transact-SQL syntax for SQL Server 2014 (12.x) and earlier versions, see Previous versions documentation.

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