STEquals (geometry Data Type)
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STEquals (geometry Data Type)

 

Returns 1 if a geometry instance represents the same point set as another geometry instance. Returns 0 if it does not.

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

other_geometry
Is another geometry instance to compare against the instance on which STEquals() is invoked.

SQL Server return type: bit

CLR return type: SqlBoolean

This method always returns null if the spatial reference IDs (SRIDs) of the geometry instances do not match.

The following example creates two geometry instances with STGeomFromText() that are equal but not trivially equal, and uses STEquals() to test their equality.

DECLARE @g geometry  
DECLARE @h geometry;  
SET @g = geometry::STGeomFromText('LINESTRING(0 2, 2 0, 4 2)', 0);  
SET @h = geometry::STGeomFromText('MULTILINESTRING((4 2, 2 0), (0 2, 2 0))', 0);  
SELECT @g.STEquals(@h);  

Spatial Indexes Overview
OGC Methods on Geometry Instances

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