On Fri, Mar 20, 2026 at 12:46 PM Tom Lane <tgl@sss.pgh.pa.us> wrote:
> I did see that, but it read to me that you were just guessing at that
> time. This morning I put Asserts into indexcmds.c that verified that
> it was trying to access the tupledesc for attno zero, and that proves
> there is a bug there. It also seems like a plausible explanation for
> why only one machine has exhibited the failure. (Your 0002 is a
> better version of said Asserts.)
Ah, OK. Yeah, I wasn't completely sure at the time whether there was
some kind of TupleDesc out there that would allow zero or negative
indexes safely. It seems like there is not.
--
Robert Haas
EDB: http://www.enterprisedb.com
