STIntersects (geometry Data Type)

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

Returns 1 if a geometry instance intersects another geometry instance. Returns 0 if it does not.

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

Syntax


.STIntersects ( other_geometry )  

Arguments

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

Return Types

SQL Server return type: bit

CLR return type: SqlBoolean

Remarks

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

Examples

The following example uses STIntersects() to determine if two geometry instances intersect each other.

DECLARE @g geometry;  
DECLARE @h geometry;  
SET @g = geometry::STGeomFromText('LINESTRING(0 2, 2 0, 4 2)', 0);  
SET @h = geometry::STGeomFromText('POINT(1 1)', 0);  
SELECT @g.STIntersects(@h);  

See Also

Spatial Indexes Overview
OGC Methods on Geometry Instances