STGeometryN (geometry Data Type)
Applies to: SQL Server Azure SQL Database Azure SQL Managed Instance SQL analytics endpoint in Microsoft Fabric Warehouse in Microsoft Fabric
Returns a specified geometry in a geometry collection.
Syntax
.STGeometryN ( expression )
Note
To view Transact-SQL syntax for SQL Server 2014 (12.x) and earlier versions, see Previous versions documentation.
Arguments
expression
Is an int expression between 1 and the number of geometry instances in the geometrycollection.
Return Types
SQL Server return type: geometry
CLR return type: SqlGeometry
Remarks
This method returns null if the parameter is larger than the result of STNumGeometries()
and will throw an ArgumentOutOfRangeException if the expression parameter is less than 1.
Examples
The following example creates a MultiPoint``geometry collection
and uses STGeometryN()
to find the second geometry
instance of the collection.
DECLARE @g geometry;
SET @g = geometry::STGeomFromText('MULTIPOINT(0 0, 13.5 2, 7 19)', 0);
SELECT @g.STGeometryN(2).ToString();
See Also
الملاحظات
https://aka.ms/ContentUserFeedback.
قريبًا: خلال عام 2024، سنتخلص تدريجيًا من GitHub Issues بوصفها آلية إرسال ملاحظات للمحتوى ونستبدلها بنظام ملاحظات جديد. لمزيد من المعلومات، راجعإرسال الملاحظات وعرضها المتعلقة بـ