FUNCTION: MDSYS.OGC_GEOMETRYN

Source

1 FUNCTION OGC_GeometryN(
2   g ST_GeomCollection,
3   n Integer)
4     RETURN ST_Geometry IS
5   arr ST_GEOMETRY_ARRAY;
6 BEGIN
7   arr := g.ST_Geometries();
8   RETURN arr(n);
9 END OGC_GeometryN;