"Edwin Quijada" <listas_quijada(at)hotmail(dot)com> writes:
> I am trying to do a dump all and when I do this I get this error
> pg_dumpall: query failed: ERROR: Unable to convert abstime 'invalid' to
> timestamp
IIRC it is possible to get this error in some upgrade scenarios if you
have pg_shadow rows whose "valuntil" field is "invalid". Set those
entries to something else (NULL, perhaps) and you should be okay.
regards, tom lane