ORA-13199: 0D geometries are not supported by geometry WKB/WKT generation.

Question

I want to get WKB data of some SDO_GEOMETRY field. I've tryed to use get_wkb function but when I execute statement like that
select c.geom.get_wkb() from ob c
I get error:
ORA-13199: 0D geometries are not supported by geometry WKB/WKT generation.
What does this error "means" and what should I do?
Thanks for answers.
Matej

Answer 1

Hello,
I get the same message on an Oracle 10.2.0.1.0 system.
ORA-19199: 0D geometries are not supported by geometry WKB/WKT generation.
ORA-06512: in "MDSYS.MD", Zeile 1723
I use following select:
select b.geom.GET_WKT() from bio2006 b where b.bio2006_ = 86
When I use another table this command works fine:
select a8.geom.GET_WKT() from multinet.mn_a8 a8 where a8.name = 'Aidhausen'
Both tables are filled by sqlldr (ctl & dat - files).
The both files look on the first view equal...
The meta data for bio2006 are equal to a8, here's the generated insert statement
INSERT INTO USER_SDO_GEOM_METADATA (TABLE_NAME, COLUMN_NAME, DIMINFO, SRID)
VALUES ('BIO2006', 'GEOM',
MDSYS.SDO_DIM_ARRAY
(MDSYS.SDO_DIM_ELEMENT('X', -180.000000000, 180.000000000, 0.500000000),
MDSYS.SDO_DIM_ELEMENT('Y', -90.000000000, 90.000000000, 0.500000000)
8307);
Does anybody know the reason for the error message?
Thanks,
Matthias