我制作了一个使用默认的sqllite的rails 4应用程序。但是,在Heroku上运行我的第一次迁移我得到的错误,同时一切完美的作品在本地:Heroku db:在表格之前迁移添加迁移
$ heroku run rake db:migrate
错误:
Running `rake db:migrate` attached to terminal... up, run.3709
Migrating to AddIndexToUserName (20131003064019)
== AddIndexToUserName: migrating =============================================
-- add_index(:users, :name, {:unique=>true})
PG::UndefinedColumn: ERROR: column "name" does not exist
: CREATE UNIQUE INDEX "index_users_on_name" ON "users" ("name")
rake aborted!
An error has occurred, this and all later migrations canceled:
PG::UndefinedColumn: ERROR: column "name" does not exist
: CREATE UNIQUE INDEX "index_users_on_name" ON "users" ("name")/app/vendor/bundle/ruby/2.0.0/gems/activerecord-4.0.0/lib/active_record/connection_adapters/postgresql/database_statements.rb:128:in `exec'
/
这是我的database.yml
development:
adapter: postgresql
encoding: unicode
database: poets_app_development
pool: 5
username: alain
password: some_password
你是否按照导轨4指导? https://devcenter.heroku.com/articles/getting-started-with-rails4 – agmin
您是否已验证此迁移AddIndexToUserName(20131003064019) - 是否在为用户创建迁移后实际列出?还有,你所有的迁移都签入git?如果你有可能尝试重置你的数据库上的heroku'heroku pg:重置DATABASE',然后再迁移 – trh
是的这是正确的设计后创建用户(20131002004317),当我输入heroku pg:重置DATABASE和迁移错误是再次相同的(对不起,反应迟缓) –