STIsEmpty (geography Data Type)

SQL Server 2008 Books Online (November 2009)

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

Syntax

.STIsEmpty ( )

Return Types

SQL Server return type: bit

CLR return type: SqlBoolean

Examples

The following example creates an empty geography instance and uses STIsEmpty() to verify that the instance is empty.

DECLARE @g geography;
SET @g = geography::STGeomFromText('POLYGON EMPTY', 4326);
SELECT @g.STIsEmpty();