ST_BdPolyFromText function [Spatial]

Returns an ST_Polygon value built from the Well Known Text (WKT) representation of a multilinestring.

Syntax

[DBO.]ST_BdPolyFromText(wkt[, srid])

Parameters

Name	Type	Description
wkt	LONG VARCHAR	The WKT representation of a multilinestring value.
srid	INT	The SRID of the result. If not specified, the default is 0.

Returns

ST_Polygon Returns an ST_Polygon value built from the WKT representation of a multilinestring.
The spatial reference system identifier of the result is the given by parameter srid.

Remarks

The ST_BdPolyFromText function is equivalent to the following:

CREATE FUNCTION DBO.ST_BdPolyFromText( awkt LONG VARCHAR, srid INT DEFAULT 0 )
RETURNS ST_Polygon
BEGIN
    DECLARE mls ST_MultiLineString;
    SET mls = NEW ST_MultiLineString( awkt, srid );
    RETURN NEW ST_Polygon( mls );
END

Note

The ST_BdPolyFromText function is not present by default in newly created databases. Use the sa_install_feature system procedure to install the spatial SQL compatibility functions. See sa_install_feature system procedure.

Standards and compatibility

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