ST_AsGML¶ Introduction: Return the GML string representation of a geometry Format: ST_AsGML (A: Geometry) Since: v1.3.0 Example: SELECT ST_AsGML(ST_GeomFromWKT('POLYGON((1 1, 8 1, 8 8, 1 8, 1 1))')) Output: 1.0,1.0 8.0,1.0 8.0,8.0 1.0,8.0 1.0,1.0