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From: Kashif Zeeshan <[email protected]>
To: Zwettler Markus (OIZ) <[email protected]>
Cc: [email protected] <[email protected]>
Subject: Re: best migration solution
Date: Thu, 25 Apr 2024 13:01:01 +0500
Message-ID: <CAAPsdhcZrHefKuJ33aNbGt7gMqnsZ8-8gE3zX2qGCK_mLA43uQ@mail.gmail.com> (raw)
In-Reply-To: <GV0P278MB0099D9368CEBEBF304405F778B172@GV0P278MB0099.CHEP278.PROD.OUTLOOK.COM>
References: <GV0P278MB0099D9368CEBEBF304405F778B172@GV0P278MB0099.CHEP278.PROD.OUTLOOK.COM>

On Thu, Apr 25, 2024 at 12:55 PM Zwettler Markus (OIZ) <
[email protected]> wrote:

> we have to migrate from hosted PG12 to containerized PG16 on private
> cloud.
>
>
>
> some of the installed PG12 extensions are not offered on the containerized
> PG16, eg. PostGIS related extensions like pg_routing and ogr_fdw.
>
> some of these extensions are not needed anymore. some of these extensions
> were installed in their own schema.
>
> we also need to change the database names and most role names due to
> external requirements.
>
>
>
>
>
> I came up with this solution.
>
>
>
> dump all roles with pg_dumpall.
>
> edit this dumpfile and
>
>    - exclude roles not needed
>    - change required role names
>
>
>
> dump all required databases with pg_dump
>
>    - in plain text
>    - exclude all schemas not needed
>
> edit this dump file and
>
>    - exclude any "create extension" command for not existing extensions
>    - change all required role names on permissions and ownerships
>
>
>
>
>
> any missings?
> any better solutions?
>
Hi

This solution is ok and should work.

Regards
Kashif Zeeshan
Bitnine Global

>
>
>
>
> I wonder whether a plain text dump could lead to conversion problems or
> something similar?
>
>
>

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