I believe that major future releases are already assumed to require an
export and re-import of the existing data.  As long as we include scripts
that properly handle pre-3.2 data, administrators should be able to migrate
their existing data.

- Jen


On Thu, May 14, 2009 at 3:59 PM, Cris J Holdorph <[email protected]>wrote:

> What's the 'migration' for an existing uportal installation to a new
> installation?
>
> ---- Cris J H
>
> Jen Bourey wrote:
>
>> Hi all,
>>
>> As part of the Portlet Administration Portlet work (UP-2047), Unicon has
>> been working on a re-implementation of IChannelRegistryStore and the
>> ChannelRegistryManager.  I've been working on replacing the existing channel
>> and channel type persistence with a more modern JPA/Hibernate approach, as
>> well as splitting the existing ChannelDefinition and ChannelType classes
>> into interface/implementation pairs.  This work should allow us to remove
>> some of the legacy database code from uPortal and move four tables
>> (UP_CHANNEL, UP_CHAN_TYPE, UP_CHANNEL_PARAM, and UP_CHANNEL_MDATA) from
>> tables.xml to hibernate.  I'm hoping that this work will better position us
>> to make changes to the associated domain objects and service layer code in
>> preparation for some proposed portlet approval lifecycle work (email to
>> follow).
>>
>> To start, I've tried to preserve the existing data tables as much as
>> possible, and they should continue to have the same table and column names.
>>  However, I've moved the sequences away from the custom uportal sequence and
>> changed the classname of the channel definition entity.  As a result,
>> committing this patch will require anyone working in the trunk to
>> re-initialize his or her database.  I'd like to commit this work sometime
>> tomorrow.  Does anyone have objections to this work appearing in trunk
>> tomorrow or have concerns about needing to run an initdb?
>>
>> - Jen
>>
>> --
>> Jen Bourey
>>
>> --
>>
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>
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-- 
Jen Bourey

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