Stefan Kaltenbrunner <stefan@kaltenbrunner.cc> writes:
> During testing of 8.1 I found that using pg_dumpall (-g) against a live
> 8.0 install that has at least one GROUP defined results in the following
> warning while it creates the CREATE ROLE statements in the dump:
> row number 0 is out of range 0..-1
Fixed, thanks for the report!
AFAICT, this is purely cosmetic, and the dump is OK anyway. But it's
definitely an oversight.
regards, tom lane