STNumPoints (geometry 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 sum of the number of points in each of the figures in a geometry instance.
The following example creates a LineString instance and uses STNumPoints() to determine how many points were used in the description of the instance.
DECLARE @g geometry; SET @g = geometry::STGeomFromText('LINESTRING(0 0, 2 2, 1 0)', 0); SELECT @g.STNumPoints();