rubyonrailsin

Ok, So I figure I have to roll the database back and then migrate it
again.

However it just isnt doing anything when I call "rake db:rollback", or
even specify a STEP:

>rake db:rollback STEP=4
(in C:/Users/user/Documents/Aptana Studio Workspace/ProductCatalog)
>rake db:rollback STEP=10
(in C:/Users/user/Documents/Aptana Studio Workspace/ProductCatalog)
>rake db:migrate
(in C:/Users/user/Documents/Aptana Studio Workspace/ProductCatalog)
== CreateCategories: migrating
===============================================
-- create_table(:categories)
rake aborted!
An error has occurred, this and all later migrations canceled:

SQLite3::SQLException: table "categories" already exists: CREATE TABLE
"categories" ("id" INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, "name"
varchar(255), "image" varchar(255), "created_at" datetime,
"updated_at" datetime)

(See full trace by running task with --trace)

I just cant figure out why it wont rollback...

Please Help,

Thanks In Advance,

Joe

On Mar 21, 2:26 pm, Colin Law <clan...@googlemail.com> wrote:
> On 21 March 2010 13:40,  <yout...@dev-hq.co.uk> wrote:
>
> > Ok, I seem to have a problem already.
>
> > So first of all with these things, can I just change it in db/migrate/
> > WhateverFile.rb ?
> > Then when I have changed it how do I put these changes into action?
>
> I suggest you have a look at the rails guides athttp://guides.rubyonrails.org/.  Start with Getting Started, not
> surprisingly, then the next one is Database Migrations which should
> sort out your current problems.  Then move on and work you way through
> the others.
>
> The ones on ActiveRecord Associations and Debugging are compulsory reading.
>
> Colin

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