STNumGeometries (geometry Data Type)
Applies to: SQL Server Azure SQL Database Azure SQL Managed Instance
Returns the number of geometries that comprise a geometry instance.
Syntax
.STNumGeometries ( )
Note
To view Transact-SQL syntax for SQL Server 2014 (12.x) and earlier versions, see Previous versions documentation.
Return Types
SQL Server return type: int
CLR return type: SqlInt32
Remarks
This method returns 1 if the geometry instance is not a MultiPoint, MultiLineString, MultiPolygon, or GeometryCollection instance, and 0 if the geometry instance is empty.
Note
If a GeometryCollection has nested empty elements, STNumGeometries()
will not return 0. Though the elements in the GeometryCollection instance are empty, the instance itself is not an empty set.
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