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
Atsiliepimai
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