ruby-on-rails - 升级到 Yosemite 10.10 后无法连接到 postgresql 数据库

Question

更新到 Yosemite 10.10 后，我无法连接到我的 postgresql 数据库。我运行 Rails 控制台并尝试获取第一个用户，但出现此错误...

>     ➜  game_golf git:(master) ✗ rails c
>     Loading development environment (Rails 4.1.4)
>     [1] pry(main)> User.first
>     PG::ConnectionBad: could not connect to server: Connection refused
>       Is the server running on host "localhost" (::1) and accepting
>       TCP/IP connections on port 5432?
>     could not connect to server: Connection refused
>       Is the server running on host "localhost" (127.0.0.1) and accepting
>       TCP/IP connections on port 5432?
>     from /Users/pauldornfeld/.rbenv/versions/2.1.2/lib/ruby/gems/2.1.0/gems/activerecord-4.1.4/lib/active_record/connection_adapters/postgresql_adapter.rb:888:in `initialize'
>     [2] pry(main)>

我该怎么办!我试图重新安装 postgresql，重新安装自制软件。请帮忙!

Answer 1

我找到了 this .

cd /usr/local/var/postgres
mkdir pg_tblspc pg_twophase pg_stat_tmp

它对我有用。