Re: migrating data from an old postgres version

On Fri, Jul 15, 2016 at 9:46 AM, Willy-Bas Loos <willybas(at)gmail(dot)com> wrote:

> Hi,
>
> A coworker is getting a new laptop and he wants to migrate some data from
> his old one to the new one. So he installed postgres 9.5 on the new one and
> is asking me how to migrate the data from the old 8.4 database. This
> database includes postgis.
>
> I asked him to make a network connection so that he can make a dump from
> the 9.5 machine, but that seems to be tricky for him.
> He is inserting a harddrive in his new laptop which has the data directory
> on it.
>
> So i went to look for a 8.4 installer but it has been EOL for a while now,
> so i found no official source for that. But i found a 8.4.12 installer on
> filehorse.com
>
> Now, maybe this is overcautious, but being a linux man myself, i dislike
> installing unknown software. So is there an md5 signature for that
> installer around?
> Or maybe a more official source for a 8.4 installer?
>
> Cheers,
>
>
> --
> Willy-Bas Loos
>

Why can't he just do a
pg_dump -F p his_dbname > his_dbname.sql
Then copy dbname.sql to a jump/thumb drive on the old laptop
copy the data from the jump/thumb drive to the new laptop
create the new db in 9.5
and use pg_restore to load the his_dbname.sql ?

--
*Melvin Davidson*
I reserve the right to fantasize. Whether or not you
wish to share my fantasy is entirely up to you.