ST_AsText - Amazon Neptune
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ST_AsText

ST_AsText returns the well-known text (WKT) representation of an input geometry.

Syntax

ST_AsText(geo)

Arguments

  • geo - A value of data type GEOMETRY, or an expression that evaluates to a GEOMETRY.

Return type

STRING

If geo is null, then null is returned.

If the input parameter is not a Geometry, then a BadRequestException is returned.

If the result is larger than a 64-KB STRING, then an error is returned.

Examples

RETURN ST_AsText(ST_GeomFromText('POLYGON((0 0,0 1,1 1,1 0,0 0))'))             
POLYGON((0 0,0 1,1 1,1 0,0 0))