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Regression in Oracle 23c when running spatial query combining MULTIPOLYGON and POINT in a GEOMETRYCOLLECTION

Lukas EderApr 4 2023

This query worked fine in 21c but now fails in 23c (I'm using https://hub.docker.com/r/gvenzl/oracle-free):

select sdo_geometry(wkt => 'GEOMETRYCOLLECTION (
   MULTIPOLYGON (((40 40, 20 45, 45 30, 40 40)), ((20 35, 10 30, 10 10, 30 5, 45 20, 20 35), (30 20, 20 15, 20 25, 30 20))),
   POINT (40 30)
)
', srid => null)
from DUAL

The failure is:

SQL Error [600] [60000]: ORA-00600: internal error code, arguments: [kghstack_underflow_internal_1], [0x7EFE8247CA08], ["mdfwkt.c":1028], [], [], [], [], [], [], [], [], []
ORA-06512: at "MDSYS.SDO_UTIL", line 7714
ORA-06512: at "MDSYS.SDO_UTIL", line 7802
ORA-06512: at "MDSYS.SDO_GEOMETRY", line 196
ORA-06512: at line 1
This post has been answered by Gerald Venzl-Oracle on Apr 5 2023
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Added on Apr 4 2023
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