Returns 1 if a geography instance is empty. Returns 0 if a geography instance is not empty.
.STIsEmpty ( )
SQL Server return type: bit
CLR return type: SqlBoolean
The following example creates an empty geography instance and uses STIsEmpty() to verify that the instance is empty.
geography
STIsEmpty()
DECLARE @g geography; SET @g = geography::STGeomFromText('POLYGON EMPTY', 4326); SELECT @g.STIsEmpty();