20110825210251_change_menu_category_to_boolean.rb

class ChangeMenuCategoryToBoolean < ActiveRecord::Migration
  def self.up
    change_column :categories, :menu_category, :boolean, :default => false 
  end

  def self.down
    change_column :categories, :menu_category, :integer 
  end
end

** Invoke db:migrate (first_time)
** Invoke environment (first_time)
** Execute environment
** Execute db:migrate
==  ChangeMenuCategoryToBoolean: migrating ====================================
-- change_column(:categories, :menu_category, :boolean, {:default=>false})
rake aborted!
An error has occurred, this and all later migrations canceled:

undefined method `to_sym' for nil:NilClass
/opt/local/lib/ruby1.9/gems/1.9.1/gems/activesupport-3.0.7/lib/active_support/whiny_nil.rb:48:in `method_missing'
/opt/local/lib/ruby1.9/gems/1.9.1/gems/activerecord-3.0.7/lib/active_record/connection_adapters/abstract/schema_definitions.rb:487:in `column'
/opt/local/lib/ruby1.9/gems/1.9.1/gems/activerecord-3.0.7/lib/active_record/connection_adapters/sqlite_adapter.rb:325:in `block (2 levels) in copy_table'
/opt/local/lib/ruby1.9/gems/1.9.1/gems/activerecord-3.0.7/lib/active_record/connection_adapters/sqlite_adapter.rb:319:in `each'
/opt/local/lib/ruby1.9/gems/1.9.1/gems/activerecord-3.0.7/lib/active_record/connection_adapters/sqlite_adapter.rb:319:in `block in copy_table'
/opt/local/lib/ruby1.9/gems/1.9.1/gems/activerecord-3.0.7/lib/active_record/connection_adapters/abstract/schema_statements.rb:157:in `create_table'
/opt/local/lib/ruby1.9/gems/1.9.1/gems/activerecord-3.0.7/lib/active_record/connection_adapters/sqlite_adapter.rb:317:in `copy_table'
/opt/local/lib/ruby1.9/gems/1.9.1/gems/activerecord-3.0.7/lib/active_record/connection_adapters/sqlite_adapter.rb:311:in `move_table'
/opt/local/lib/ruby1.9/gems/1.9.1/gems/activerecord-3.0.7/lib/active_record/connection_adapters/sqlite_adapter.rb:304:in `block in alter_table'
/opt/local/lib/ruby1.9/gems/1.9.1/gems/activerecord-3.0.7/lib/active_record/connection_adapters/abstract/database_statements.rb:139:in `transaction'
/opt/local/lib/ruby1.9/gems/1.9.1/gems/activerecord-3.0.7/lib/active_record/connection_adapters/sqlite_adapter.rb:303:in `alter_table'
/opt/local/lib/ruby1.9/gems/1.9.1/gems/activerecord-3.0.7/lib/active_record/connection_adapters/sqlite_adapter.rb:260:in `change_column'
/opt/local/lib/ruby1.9/gems/1.9.1/gems/activerecord-3.0.7/lib/active_record/migration.rb:383:in `block in method_missing'
/opt/local/lib/ruby1.9/gems/1.9.1/gems/activerecord-3.0.7/lib/active_record/migration.rb:359:in `block in say_with_time'
/opt/local/lib/ruby1.9/1.9.1/benchmark.rb:294:in `measure'
/opt/local/lib/ruby1.9/gems/1.9.1/gems/activerecord-3.0.7/lib/active_record/migration.rb:359:in `say_with_time'
/opt/local/lib/ruby1.9/gems/1.9.1/gems/activerecord-3.0.7/lib/active_record/migration.rb:379:in `method_missing'
/Users/stephenprater/Sites/agrport/db/migrate/20110825210251_change_menu_category_to_boolean.rb:3:in `up'
/opt/local/lib/ruby1.9/gems/1.9.1/gems/activerecord-3.0.7/lib/active_record/migration.rb:312:in `block in migrate'
/opt/local/lib/ruby1.9/1.9.1/benchmark.rb:294:in `measure'
/opt/local/lib/ruby1.9/gems/1.9.1/gems/activerecord-3.0.7/lib/active_record/migration.rb:312:in `migrate'
/opt/local/lib/ruby1.9/gems/1.9.1/gems/activerecord-3.0.7/lib/active_record/migration.rb:395:in `migrate'
/opt/local/lib/ruby1.9/gems/1.9.1/gems/activerecord-3.0.7/lib/active_record/migration.rb:537:in `block (2 levels) in migrate'
/opt/local/lib/ruby1.9/gems/1.9.1/gems/activerecord-3.0.7/lib/active_record/migration.rb:611:in `call'
/opt/local/lib/ruby1.9/gems/1.9.1/gems/activerecord-3.0.7/lib/active_record/migration.rb:611:in `block in ddl_transaction'
/opt/local/lib/ruby1.9/gems/1.9.1/gems/activerecord-3.0.7/lib/active_record/connection_adapters/abstract/database_statements.rb:139:in `transaction'
/opt/local/lib/ruby1.9/gems/1.9.1/gems/activerecord-3.0.7/lib/active_record/transactions.rb:207:in `transaction'
/opt/local/lib/ruby1.9/gems/1.9.1/gems/activerecord-3.0.7/lib/active_record/migration.rb:611:in `ddl_transaction'
/opt/local/lib/ruby1.9/gems/1.9.1/gems/activerecord-3.0.7/lib/active_record/migration.rb:536:in `block in migrate'
/opt/local/lib/ruby1.9/gems/1.9.1/gems/activerecord-3.0.7/lib/active_record/migration.rb:523:in `each'
/opt/local/lib/ruby1.9/gems/1.9.1/gems/activerecord-3.0.7/lib/active_record/migration.rb:523:in `migrate'
/opt/local/lib/ruby1.9/gems/1.9.1/gems/activerecord-3.0.7/lib/active_record/migration.rb:433:in `up'
/opt/local/lib/ruby1.9/gems/1.9.1/gems/activerecord-3.0.7/lib/active_record/migration.rb:415:in `migrate'
/opt/local/lib/ruby1.9/gems/1.9.1/gems/activerecord-3.0.7/lib/active_record/railties/databases.rake:142:in `block (2 levels) in <top (required)>'
/opt/local/lib/ruby1.9/gems/1.9.1/gems/rake-0.9.2/lib/rake/task.rb:205:in `call'
/opt/local/lib/ruby1.9/gems/1.9.1/gems/rake-0.9.2/lib/rake/task.rb:205:in `block in execute'
/opt/local/lib/ruby1.9/gems/1.9.1/gems/rake-0.9.2/lib/rake/task.rb:200:in `each'
/opt/local/lib/ruby1.9/gems/1.9.1/gems/rake-0.9.2/lib/rake/task.rb:200:in `execute'
/opt/local/lib/ruby1.9/gems/1.9.1/gems/rake-0.9.2/lib/rake/task.rb:158:in `block in invoke_with_call_chain'
/opt/local/lib/ruby1.9/1.9.1/monitor.rb:201:in `mon_synchronize'
/opt/local/lib/ruby1.9/gems/1.9.1/gems/rake-0.9.2/lib/rake/task.rb:151:in `invoke_with_call_chain'
/opt/local/lib/ruby1.9/gems/1.9.1/gems/rake-0.9.2/lib/rake/task.rb:144:in `invoke'
/opt/local/lib/ruby1.9/gems/1.9.1/gems/rake-0.9.2/lib/rake/application.rb:112:in `invoke_task'
/opt/local/lib/ruby1.9/gems/1.9.1/gems/rake-0.9.2/lib/rake/application.rb:90:in `block (2 levels) in top_level'
/opt/local/lib/ruby1.9/gems/1.9.1/gems/rake-0.9.2/lib/rake/application.rb:90:in `each'
/opt/local/lib/ruby1.9/gems/1.9.1/gems/rake-0.9.2/lib/rake/application.rb:90:in `block in top_level'
/opt/local/lib/ruby1.9/gems/1.9.1/gems/rake-0.9.2/lib/rake/application.rb:129:in `standard_exception_handling'
/opt/local/lib/ruby1.9/gems/1.9.1/gems/rake-0.9.2/lib/rake/application.rb:84:in `top_level'
/opt/local/lib/ruby1.9/gems/1.9.1/gems/rake-0.9.2/lib/rake/application.rb:62:in `block in run'
/opt/local/lib/ruby1.9/gems/1.9.1/gems/rake-0.9.2/lib/rake/application.rb:129:in `standard_exception_handling'
/opt/local/lib/ruby1.9/gems/1.9.1/gems/rake-0.9.2/lib/rake/application.rb:59:in `run'
/opt/local/lib/ruby1.9/gems/1.9.1/gems/rake-0.9.2/bin/rake:32:in `<top (required)>'
/opt/local/bin/rake:19:in `load'
/opt/local/bin/rake:19:in `<main>'
Tasks: TOP => db:migrate