rake db:migrate 在开发中运行良好,应用程序也是如此。只有有了heroku,我才会遇到麻烦
$ heroku run rake db:migrate
Running `rake db:migrate` attached to terminal... up, run.5905
-- create_table(:users)
-- create_table(:users)
rake aborted!
ActiveRecord::MigrationProxy#disable_ddl_transaction delegated to
migration.disable_ddl_transaction, but migration is nil:
#<struct ActiveRecord::MigrationProxy name="DeviseCreateAdmins",
version=20130802210826, filename="/app/db/migrate/20130802210826_devise_create_admins.rb",
scope=""
迁移文件:
class DeviseCreateAdmins < ActiveRecord::Migration
create_table :users do |t|
t.database_authenticatable
t.confirmable
t.recoverable
t.rememberable
t.trackable
t.timestamps
end
end
有人对迁移失败的原因有任何想法吗?