Re: grant on sequence and pg_restore/pg_dump problem

Tony Caduto wrote:
> Bruce Momjian wrote:
> > Tony Caduto wrote:
> >
> >> Hi,
> >> I did a quick search and didn't see anything on this, if I missed it
> >> sorry in advance.
> >> Anyway, I was doing a restore of a 8.1 database(on a 8.1 server) using
> >> the 8.2 pg_restore and it was throwing errors when it was trying to
> >> restore the permissions on the sequences.
> >> basically the pg_restore was using the grant on sequence against the 8.1
> >> database which of course 8.1 knows nothing about.
> >>
> >> Is there a switch or something I missed that would allow this to work
> >> properly on a 8.1 or lower database?
> >> Or do I have to now have 2 versions of dump/restore in order to do this?
> >>
> >
> > You can use 8.2 to dump 8.1, but for restore, you should use the same
> > version as the target database.
> >
> >
> So for admin tool vendors, we need to now ship more than one copy of
> pg_restore?
> Wasn't the restore pretty much backwards compatible until now?
> Certainly pg_restore must know what version of the server it's
> connecting to, shouldn't it be able to adjust the GRANT ON so on versions
> < 8.2 it does not use the SEQUENCE keyword?

We have never spent time making restore work for all versions, partly
because pg_dump typically dumps as text, and you just feed that into
psql.

--
Bruce Momjian <bruce(at)momjian(dot)us> http://momjian.us
EnterpriseDB http://www.enterprisedb.com

+ If your life is a hard drive, Christ can be your backup. +