[osmosis-dev] Error reading API DB with --rd

[Кирилл Бестужев]

Thanks, I'll make a backup and will have a try. I anyway wanted to upgrade
postgres from 8.4...

Kirill

2012/9/18 Shaun McDonald <shaun at shaunmcdonald.me.uk>

>
> On 18 Sep 2012, at 13:25, Brett Henderson <brett at bretth.com> wrote:
>
> On 18 September 2012 22:15, Кирилл Бестужев <bestoujev at gmail.com> wrote:
>
>> Thanks for the explanation.
>>
>> The wiki page I am talking about is
>> http://wiki.openstreetmap.org/wiki/Rails_port/Database_schema
>>
>
> Okay.  It does appear to be out of date.  I believe the changes were made
> due to some limitations of Ruby on Rails.
>
>
> As it states in the second paragraph on that page, the migrations are the
> official current status. That page won't be manually updated as the DB is
> updated as it's too much work, and the info is already stored in the
> code/git repo.
>
>
>
>>
>> And about the upgrade - can I upgrade the rails port db schema without
>> loosing the data in the DB?
>>
>
> I believe so, because the main production database would have gone through
> the same upgrade steps.  I haven't done it myself though.
>
>
> If you have the rails codebase you should be able to run rake db:migrate
> and the upgrade to work through all the changes to the database. MySQL is
> not supported, only Postgres now.
>
> Shaun
>
>
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