Ruby rails 错误耙 db:migrate

Question

每当我运行耙 db:migrate RAILS_ENV=development 它 returns 语法错误

rake aborted!
SyntaxError: /Users/IsaiahxD/.rvm/gems/ruby-  2.2.1@rails3tutorial/rails_projects/first_app/db/migrate/20150825050353_create_u    sers.rb:21: syntax error, unexpected keyword_end, expecting end-of-input
/Users/IsaiahxD/.rvm/gems/ruby-2.2.1/gems/activesupport- 4.2.3/lib/active_support/dependencies.rb:274:in `require'
/Users/IsaiahxD/.rvm/gems/ruby-2.2.1/gems/activesupport-4.2.3/lib/active_support/dependencies.rb:274:in `block in require'
/Users/IsaiahxD/.rvm/gems/ruby-2.2.1/gems/activesupport-4.2.3/lib/active_support/dependencies.rb:240:in `load_dependency'
/Users/IsaiahxD/.rvm/gems/ruby-2.2.1/gems/activesupport-4.2.3/lib/active_support/dependencies.rb:274:in `require'
/Users/IsaiahxD/.rvm/gems/ruby-2.2.1/gems/activerecord-4.2.3/lib/active_record/migration.rb:773:in `load_migration'
/Users/IsaiahxD/.rvm/gems/ruby-2.2.1/gems/activerecord-4.2.3/lib/active_record/migration.rb:769:in `migration'
/Users/IsaiahxD/.rvm/gems/ruby-2.2.1/gems/activerecord-4.2.3/lib/active_record/migration.rb:764:in `disable_ddl_transaction'
/Users/IsaiahxD/.rvm/gems/ruby-2.2.1/gems/activerecord-4.2.3/lib/active_record/migration.rb:1047:in `use_transaction?'
/Users/IsaiahxD/.rvm/gems/ruby-2.2.1/gems/activerecord-4.2.3/lib/active_record/migration.rb:1039:in `ddl_transaction'
/Users/IsaiahxD/.rvm/gems/ruby-2.2.1/gems/activerecord-4.2.3/lib/active_record/migration.rb:993:in `execute_migration_in_transaction'
/Users/IsaiahxD/.rvm/gems/ruby-2.2.1/gems/activerecord-4.2.3/lib/active_record/migration.rb:955:in `block in migrate'
/Users/IsaiahxD/.rvm/gems/ruby-2.2.1/gems/activerecord-4.2.3/lib/active_record/migration.rb:951:in `each'
/Users/IsaiahxD/.rvm/gems/ruby-2.2.1/gems/activerecord-4.2.3/lib/active_record/migration.rb:951:in `migrate'
/Users/IsaiahxD/.rvm/gems/ruby-2.2.1/gems/activerecord-4.2.3/lib/active_record/migration.rb:819:in `up'
/Users/IsaiahxD/.rvm/gems/ruby-2.2.1/gems/activerecord-4.2.3/lib/active_record/migration.rb:797:in `migrate'
/Users/IsaiahxD/.rvm/gems/ruby-2.2.1/gems/activerecord-4.2.3/lib/active_record/tasks/database_tasks.rb:137:in `migrate'
 /Users/IsaiahxD/.rvm/gems/ruby-2.2.1/gems/activerecord-4.2.3/lib/active_record/railties/databases.rake:44:in `block (2 levels) in <top (required)>'

任务：顶部 => db:migrate （使用 --trace 查看运行ning 任务的完整跟踪）

我检查了所有内容 returns

"20150825050353_create_users.rb:21: syntax error, unexpected keyword_end,  expecting end-of-input"


 class CreateUsers < ActiveRecord::Migration
  def up
    create_table :users do |t|
      t.column "first_name", :string, :limit => 25
      t.string  "last_name", :limit => 50
      t.string  "email", :default => "", :null => false
      t.string  "password", :limit => 40
      t.datetime "created_at"
      t.datetime "updated_at"
      t.timestamps null: false
    end
  end

  def down
    drop_table :users
  end
end

Answer 1

变化：

t.timestamps null: false

收件人：

t.timestamps :null => false

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