這是我原來的遷移:軌數據庫遷移,未定義的方法`to_sym」,不能找出語法
class CreateUsers < ActiveRecord::Migration
def self.up
ActiveRecord::Base.transaction do
create_table "users", :force => true do |t|
t.string :login, :limit => 40
t.string :name, :limit => 100, :default => '', :null => true
t.string :email, :limit => 100
t.string :crypted_password, :limit => 40
t.string :salt, :limit => 40
t.string :remember_token, :limit => 40
t.datetime :remember_token_expires_at
t.string :activation_code, :limit => 40
t.datetime :activated_at, :datetime
t.string :state, :null => :no, :default => 'passive'
t.datetime :deleted_at
t.integer :occupation_id, :null => :yes
t.datetime :paid_up_to_date, :date
t.timestamps
end
我試圖改變的‘狀態’爲‘主動’的默認,而不是被動的 這是我的第二次嘗試;
class ChangeUserStateDefault < ActiveRecord::Migration
def self.up
change_column :users, :state, :null => :no, :default => 'active'
end
後整個錯誤:自帶前後 「未定義的方法」 的部分。問題是哪個類/對象引發了這個錯誤? – 2010-05-01 15:03:53
== ChangeUserStateDefault:migrating ========================================= - change_column(:users,:state,{:default =>「active」,:null =>:no}) rake中止! 發生錯誤,本次及所有後來的遷移取消: 未定義的方法'to_sym'爲{:default =>「active」,:null =>:否}:哈希 – sysconfig 2010-05-01 15:05:25