stisempty-geometry-data-type.md

title	description	author	ms.author	ms.date	ms.service	ms.subservice	ms.topic	f1_keywords	helpviewer_keywords	dev_langs	monikerRange
STIsEmpty (geometry Data Type)	STIsEmpty (geometry Data Type)	MladjoA	mlandzic	08/03/2017	sql	t-sql	reference	STIsEmpty_TSQL STIsEmpty (geometry Data Type)	STIsEmpty (geometry Data Type)	TSQL	=azuresqldb-current||>=sql-server-2016||>=sql-server-linux-2017||=azuresqldb-mi-current

STIsEmpty (geometry Data Type)

[!INCLUDE SQL Server Azure SQL Database Azure SQL Managed Instance]

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

Syntax

  
.STIsEmpty ( )  

Return Types

[!INCLUDEssNoVersion] 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