STIsEmpty (geography Data Type)

Applies to: SQL Server Azure SQL Database Azure SQL Managed Instance

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


.STIsEmpty ( )  


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

Return Types

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.

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

See Also

OGC Methods on Geography Instances