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STGeometryType (geography Data Type)

Applies To: SQL Server 2014, SQL Server 2016 Preview

Topic Status: Some information in this topic is preview and subject to change in future releases. Preview information describes new features or changes to existing features in Microsoft SQL Server 2016 Community Technology Preview 2 (CTP2).

Returns the Open Geospatial Consortium (OGC) type name represented by a geography instance.

Applies to: SQL Server (SQL Server 2008 through current version), Azure SQL Database.

.STGeometryType ( )

SQL Server return type: nvarchar(4000)

CLR return type: SqlString

The OGC type names that can be returned by STGeometryType() are Point, LineString, CircularString, CompoundCurve, Polygon, CurvePolygon, GeometryCollection, MultiPoint, MultiLineString, and MultiPolygon.

The following example creates a Polygon instance and uses STGeometryType() to confirm that it is a polygon.

DECLARE @g geometry;
SET @g = geometry::STGeomFromText('POLYGON((-122.358 47.653, -122.348 47.649, -122.348 47.658, -122.358 47.658, -122.358 47.653))', 4326);
SELECT @g.STGeometryType();
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