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STNumGeometries (geography Data Type)

Returns the number of geometries that make up a geography instance.

Składnia

.STNumGeometries ( )

Return Types

SQL Server return type: int

CLR return type: SqlInt32

Uwagi

This method returns 1 if the geography instance is not a MultiPoint, MultiLineString, MultiPolygon, or GeometryCollection instance, or 0 if the geography instance is empty.

Examples

The following example creates a MultiPoint instance and uses STNumGeometries() to find out how many geometries the instance contains.

DECLARE @g geography;
SET @g = geography::STGeomFromText('MULTIPOINT((-122.360 47.656), (-122.343 47.656))', 4326);
SELECT @g.STNumGeometries();

Zobacz także

Inne zasoby

OGC Methods on Geography Instances