STIsEmpty (geography Data Type)

 

THIS TOPIC APPLIES TO:yesSQL Server (starting with 2008)yesAzure SQL DatabasenoAzure SQL Data Warehouse noParallel Data Warehouse

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.

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

OGC Methods on Geography Instances

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