| title | description | author | ms.author | ms.date | ms.service | ms.subservice | ms.topic | ms.custom | f1_keywords | helpviewer_keywords | dev_langs | |||||
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STIsEmpty (geography Data Type) |
STIsEmpty (geography Data Type) |
MladjoA |
mlandzic |
03/14/2017 |
sql |
t-sql |
reference |
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[!INCLUDE SQL Server Azure SQL Database Azure SQL Managed Instance FabricSQLDB]
Returns 1 if a geography instance is empty. Returns 0 if a geography instance is not empty.
.STIsEmpty ( )
[!INCLUDEssNoVersion] 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();