FUNCTION: MDSYS.OGC_INTERIORRINGN

Source

1 FUNCTION OGC_InteriorRingN(
2   p ST_Polygon,
3   n Integer)
4     RETURN ST_LineString IS
5   arr ST_LineString_Array;
6 BEGIN
7   arr := p.ST_InteriorRingsP();
8   RETURN arr(n);
9 END OGC_InteriorRingN;