Re: Is it advisable to pg_upgrade directly from 9.0 to 9.3?

From: Leonardo Carneiro <chesterman86(at)gmail(dot)com>
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Cc: "pgsql-general(at)postgresql(dot)org" <pgsql-general(at)postgresql(dot)org>
Subject: Re: Is it advisable to pg_upgrade directly from 9.0 to 9.3?
Date: 2013-11-11 13:07:40
Message-ID: CAP5xjbsyQTrciThnPw05Fy0OXrnE1tLDPwK-5gQDZkdZbLwkmw@mail.gmail.com
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Yeah, the things that matters are always on top of the changelog, so it's
not much trouble to look after then.

On Thu, Nov 7, 2013 at 9:00 PM, Adrian Klaver <adrian(dot)klaver(at)gmail(dot)com>wrote:

> On 11/07/2013 11:07 AM, Greg Burek wrote:
>
>> On Wed, Nov 6, 2013 at 4:36 AM, Leonardo Carneiro
>> <chesterman86(at)gmail(dot)com <mailto:chesterman86(at)gmail(dot)com>> wrote:
>>
>> I don't think that there will be too much trouble, as long as you
>> follow every changelog tip (9.0->9.1, 9.1->9.2 and 9.2->9.3)
>>
>>
>> What if we don't follow the changelog tip? In this case, we have only
>> the 9.0 and 9.3 binaries installed and pg_upgrade directly to 9.3. Does
>> that cause fear?
>>
>
> Not so much fear as concern. One of my rules is that the good will take
> care of itself it is the bad you have to plan for. In this case it is not
> the nine changes that do not impact your code but the one that does. When
> going through the change logs the incompatibilities are listed at the top
> under the Migration to Version 9.* header. It does not take to long to
> double check. If you want to save time just look at the major version
> changes, i.e 9.X versus 9.X.x as incompatibilities are allowed in major
> version changes. Not that they do not happen in minor releases, but that is
> generally done to fix a security/major bug and I do not recall any in the
> range you are looking at.
>
> --
> Adrian Klaver
> adrian(dot)klaver(at)gmail(dot)com
>
>
>
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