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From: Rohit Yadav <rohit.yadav@shapeblue.com>
To: "dev@cloudstack.apache.org" <dev@cloudstack.apache.org>
CC: "fgaudreault@cloudops.com" <fgaudreault@cloudops.com>
Subject: Re: Cherry-picking fix that may change 4.3.1 schema
Thread-Topic: Cherry-picking fix that may change 4.3.1 schema
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Date: Tue, 2 Sep 2014 16:04:12 +0000
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If you=92re not going to read anything because the thread has gone too long=
 already, read this:

4.4.0 is already out there, if we release 4.3.1 there is no way people can =
upgrade to 4.4.0 as the upgrade paths exist in the 4.4.0 release itself whi=
ch does not know about 4.3.1

On 02-Sep-2014, at 5:48 pm, Will Stevens <wstevens@cloudops.com> wrote:
> @Rohit
> I think we are playing with fire here a bit.  DB changes should be made o=
n
> major releases and we should try to avoid DB changes on minor releases
> because of this type of problem.  We have to keep the upgrade paths as
> clean as possible because we don't want people running into issues when
> they upgrade their prod boxes.
>
> I think we are going to have a problem with this one because I think the
> 4.4.1 branch is going to be released before the 4.3.1 branch, so the
> upgrade path will be broken.  My understanding is that the 4.4.1 branch i=
s
> planned to be launched on Monday (Sept 8th), so I expect there will be a
> problem with the upgrade path if we implement this change in 4.3.1.  That=
s
> my two cents anyway=85

Sorry to break you this, the issue I=92m raising here has always existed be=
fore. Just that it was not widely shared and was silently fixed by develope=
rs.

This is also the first time that we=92re planning to release a minor versio=
n from previous major release. That is we already released 4.4.0 and now we=
=92re going to release 4.3.1.

Database upgrade paths from previous releases are only added in next releas=
es. And, you may go look at the code to see that all minor upgrades do intr=
oduce some db changes and not just read emails. Sometime they don=92t have =
to put an explicit schema-AtoB.sql and their cleanup files.


In any case, due to the way we release ACS. People won=92t be able to upgra=
de from 4.3.1 to 4.4.0 anyway.

Regards,
Rohit Yadav
Software Architect, ShapeBlue
M. +41 779015219 | rohit.yadav@shapeblue.com
Blog: bhaisaab.org | Twitter: @_bhaisaab


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