STIsEmpty (geometry Data Type)

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

.STIsEmpty ( )

SQL Server return type: bit

CLR return type: SqlBoolean

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();

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