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STAsText (geometry Data Type)

Applies To: SQL Server 2014, SQL Server 2016 Preview

Topic Status: Some information in this topic is preview and subject to change in future releases. Preview information describes new features or changes to existing features in Microsoft SQL Server 2016 Community Technology Preview 2 (CTP2).

Returns the Open Geospatial Consortium (OGC) Well-Known Text (WKT) representation of a geometry instance. This text will not contain any Z (elevation) or M (measure) values carried by the instance.

Applies to: SQL Server (SQL Server 2012 through current version), Azure SQL Database.

.STAsText ( )

SQL Server return type: nvarchar(max)

CLR return type: SqlChars

The following example creates a LineString geometry instance from (0,0) to (2,3) from text. STAsText() returns the result in text.

DECLARE @g geometry;
SET @g = geometry::STGeomFromText('LINESTRING(0 0, 2 3)', 0);
SELECT @g.STAsText();

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