通过ActiveRecord在Rails上连接MSSQL时的封闭连接

I wrote database.yml

我写了database.yml

  default: &default
  adapter: sqlserver
  host: 
  pool: <%= ENV.fetch("RAILS_MAX_THREADS") { 5 } %>
  username: 
  password:
  timeout: 5000

development:
  <<: *default
  database: 
  encoding: unicode

production:
  <<: *default
  database: 
  defa