Creates a curve polygon from a curve representing the exterior ring and a list of curves representing interior rings, all in a specified spatial reference system.
SELECT NEW ST_CurvePolygon( NEW ST_LineString ('LineString (-5 -1, 5 -1, 0 9, -5 -1)'), NEW ST_CircularString ('CircularString (-2 2, -2 4, 2 4, 2 2, -2 2)'))
SQL/MM (ISO/IEC 13249-3: 2006) 8.2.2