From: Greg Pederson Date: 2007-01-14T10:10:33+09:00 Subject: Re: Rake aborted problem ------=_Part_62853_11501024.1168737026818 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline Disregard. I guess I missed updating my application to 1.2, but for the life of me can not ever remember doing that before, though I must have because my previous depot app worked fine....sorry to bother. On 1/13/07, Greg Pederson wrote: > > Hi all, > I know this is something probably really simple, but since I'm a noob I'm > stuck and can't figure it out. I'm doing the depot project/tutorial in > the > Agile Web Development with Rails. Here's what happens, while trying to > add > the second migration, adding a missing column, I generate the migration, > 002_add_price.rb, then make the changes as outlined in the book: > > class AddPrice < ActiveRecord::Migration > def self.up > add_column :products, :price, :decimal, :precision=>8, :scale=>2, > :default=>0 > end > > def self.down > remove_column :products, :price > end > end > > and then run rake db:migrate...which fails. > Here is the --trace > > C:\instantrails\work\depot>rake db:migrate --trace > (in C:/instantrails/work/depot) > ** Invoke db:migrate (first_time) > ** Invoke environment (first_time) > ** Execute environment > ** Execute db:migrate > == AddPrice: migrating > ======================================================== > -- add_column(:products, :price, :decimal, {:precision=>8, :scale=>2, > :default=> > 0}) > rake aborted! > You have a nil object when you didn't expect it! > You might have expected an instance of Array. > The error occured while evaluating nil.[] > C:/instantrails/InstantRails/ruby/lib/ruby/gems/1.8/gems/activerecord- > 1.14.4 > /lib > /active_record/connection_adapters/abstract/schema_statements.rb:259:in > `type_to > _sql' > C:/instantrails/InstantRails/ruby/lib/ruby/gems/1.8/gems/activerecord- > 1.14.4 > /lib > /active_record/connection_adapters/abstract/schema_statements.rb:122:in > `add_col > umn' > C:/instantrails/InstantRails/ruby/lib/ruby/gems/1.8/gems/activerecord- > 1.14.4 > /lib > /active_record/migration.rb:273:in `send' > C:/instantrails/InstantRails/ruby/lib/ruby/gems/1.8/gems/activerecord- > 1.14.4 > /lib > /active_record/migration.rb:273:in `method_missing' > C:/instantrails/InstantRails/ruby/lib/ruby/gems/1.8/gems/activerecord- > 1.14.4 > /lib > /active_record/migration.rb:257:in `say_with_time' > C:/instantrails/InstantRails/ruby/lib/ruby/1.8/benchmark.rb:293:in > `measure' > C:/instantrails/InstantRails/ruby/lib/ruby/gems/1.8/gems/activerecord- > 1.14.4 > /lib > /active_record/migration.rb:257:in `say_with_time' > C:/instantrails/InstantRails/ruby/lib/ruby/gems/1.8/gems/activerecord- > 1.14.4 > /lib > /active_record/migration.rb:271:in `method_missing' > ./db/migrate//002_add_price.rb:3:in `real_up' > C:/instantrails/InstantRails/ruby/lib/ruby/gems/1.8/gems/activerecord- > 1.14.4 > /lib > /active_record/migration.rb:210:in `send' > C:/instantrails/InstantRails/ruby/lib/ruby/gems/1.8/gems/activerecord- > 1.14.4 > /lib > /active_record/migration.rb:210:in `migrate' > C:/instantrails/InstantRails/ruby/lib/ruby/1.8/benchmark.rb:293:in > `measure' > C:/instantrails/InstantRails/ruby/lib/ruby/gems/1.8/gems/activerecord- > 1.14.4 > /lib > /active_record/migration.rb:210:in `migrate' > C:/instantrails/InstantRails/ruby/lib/ruby/gems/1.8/gems/activerecord- > 1.14.4 > /lib > /active_record/migration.rb:333:in `migrate' > C:/instantrails/InstantRails/ruby/lib/ruby/gems/1.8/gems/activerecord- > 1.14.4 > /lib > /active_record/migration.rb:328:in `each' > C:/instantrails/InstantRails/ruby/lib/ruby/gems/1.8/gems/activerecord- > 1.14.4 > /lib > /active_record/migration.rb:328:in `migrate' > C:/instantrails/InstantRails/ruby/lib/ruby/gems/1.8/gems/activerecord- > 1.14.4 > /lib > /active_record/migration.rb:295:in `up' > C:/instantrails/InstantRails/ruby/lib/ruby/gems/1.8/gems/activerecord- > 1.14.4 > /lib > /active_record/migration.rb:286:in `migrate' > C:/instantrails/InstantRails/ruby/lib/ruby/gems/1.8/gems/rails-1.1.6 > /lib/tasks/d > atabases.rake:4 > C:/instantrails/InstantRails/ruby/lib/ruby/gems/1.8/gems/rake-0.7.1 > /lib/rake.rb: > 387:in `call' > C:/instantrails/InstantRails/ruby/lib/ruby/gems/1.8/gems/rake-0.7.1 > /lib/rake.rb: > 387:in `execute' > C:/instantrails/InstantRails/ruby/lib/ruby/gems/1.8/gems/rake-0.7.1 > /lib/rake.rb: > 387:in `each' > C:/instantrails/InstantRails/ruby/lib/ruby/gems/1.8/gems/rake-0.7.1 > /lib/rake.rb: > 387:in `execute' > C:/instantrails/InstantRails/ruby/lib/ruby/gems/1.8/gems/rake-0.7.1 > /lib/rake.rb: > 357:in `invoke' > C:/instantrails/InstantRails/ruby/lib/ruby/1.8/thread.rb:135:in > `synchronize' > C:/instantrails/InstantRails/ruby/lib/ruby/gems/1.8/gems/rake-0.7.1 > /lib/rake.rb: > 350:in `invoke' > C:/instantrails/InstantRails/ruby/lib/ruby/gems/1.8/gems/rake-0.7.1 > /lib/rake.rb: > 1906:in `run' > C:/instantrails/InstantRails/ruby/lib/ruby/gems/1.8/gems/rake-0.7.1 > /lib/rake.rb: > 1906:in `each' > C:/instantrails/InstantRails/ruby/lib/ruby/gems/1.8/gems/rake-0.7.1 > /lib/rake.rb: > 1906:in `run' > C:/instantrails/InstantRails/ruby/lib/ruby/gems/1.8/gems/rake-0.7.1 > /bin/rake:7 > C:/instantrails/InstantRails/ruby/bin/rake.bat:25:in `load' > C:/instantrails/InstantRails/ruby/bin/rake.bat:25 > > Can anyone tell me what's happening and how you can decipher that info > from > above...so I can learn to troubleshoot on my own. > > Another thing to add is that this did work, and I deleted the project and > was trying to run through it again. > > Thank you in advance for your help, > Greg > > -- > "Politicians are like diapers, both need to be changed frequently and for > the same reasons." > > Greg Pederson > Greg.Pederson@gmail.com > > -- "Politicians are like diapers, both need to be changed frequently and for the same reasons." Greg Pederson Greg.Pederson@gmail.com ------=_Part_62853_11501024.1168737026818--