Thread: Upgrading to a major version

> JORGE MALDONADO <jorgemal1960@gmail.com> hat am 21. März 2016 um 16:22
> geschrieben:
>
>
> Hello,
>
> I am actually using PostgreSQL 9.1 and I am thinking about upgrading to
> version 9.4 or 9.5. I have read that the most feasible and secure way to
> upgrade PostgreSQL to a major version is by using pg_dump/pg_restore. Is
> this correct?


pg_dump dumps only one database, for a complete backup for the upgrade i would
suggest pg_dumpall,
this dumps also global objects (user).

The result is a plain ASCII-File, this can you play with psql. You should use
the pg_dump(all) from the higher
version if possible.


>
> Does an upgrade applies for going from 32-bit to 64-bit?

you can also change the platform, a dump is (should be) independed.


--
Andreas Kretschmer
http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services

Hi Jorge,

Have you read the upgrade documentation for 9.5?

http://www.postgresql.org/docs/9.5/static/upgrading.html

The up-shot is that if you are upgrading in place, pg_upgrade might very
well work (definitely should have a backup available just in case), but if
you are moving to a new, non-ABI-compatible platform, you will have to go
via pg_dumpall.

On Mon, Mar 21, 2016 at 10:22:26AM -0500, JORGE MALDONADO wrote:
> Hello,
>
> I am actually using PostgreSQL 9.1 and I am thinking about upgrading to
> version 9.4 or 9.5. I have read that the most feasible and secure way to
> upgrade PostgreSQL to a major version is by using pg_dump/pg_restore. Is
> this correct?
>
> Does an upgrade applies for going from 32-bit to 64-bit?
>
> Respectfully
> Jorge Maldonado

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