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Class: Rails::DBConsole

Relationships & Source Files
Inherits: Object
Defined in: railties/lib/rails/commands/dbconsole/dbconsole_command.rb

Class Method Summary

Instance Method Summary

Constructor Details

.new(options = {}) ⇒ DBConsole

[ GitHub ] 

  


# File 'railties/lib/rails/commands/dbconsole/dbconsole_command.rb', line 12



def initialize(options = {})
  @options = options
  @options[:environment] ||= Rails::Command.environment
end


  







Class Method Details



  

    .start(*args)  
  

  [ GitHub ]


  

  


# File 'railties/lib/rails/commands/dbconsole/dbconsole_command.rb', line 8



def self.start(*args)
  new(*args).start
end


  







Instance Method Details



  

    #adapter_class   (private)
  

  [ GitHub ]


  

  


# File 'railties/lib/rails/commands/dbconsole/dbconsole_command.rb', line 53



def adapter_class
  ActiveRecord::ConnectionAdapters.resolve(db_config.adapter)
rescue LoadError
  ActiveRecord::ConnectionAdapters::AbstractAdapter
end


  








  

    #configurations   (private)
  

  [ GitHub ]


  

  


# File 'railties/lib/rails/commands/dbconsole/dbconsole_command.rb', line 59



def configurations # :doc:
  require APP_PATH
  ActiveRecord::Base.configurations = Rails.application.config.database_configuration
  ActiveRecord::Base.configurations
end


  








  

    #database  
  

  [ GitHub ]


  

  


# File 'railties/lib/rails/commands/dbconsole/dbconsole_command.rb', line 44



def database
  @options[:database]
end


  








  

    #db_config  
  

  [ GitHub ]


  

  


# File 'railties/lib/rails/commands/dbconsole/dbconsole_command.rb', line 23



def db_config
  @db_config ||= begin
    # If the user provided a database, use that. Otherwise find
    # the first config in the database.yml
    config = if database
      @db_config = configurations.configs_for(env_name: environment, name: database, include_hidden: true)
    else
      @db_config = configurations.find_db_config(environment)
    end

    unless config
      missing_db = database ? "'#{database}' database is not" : "No databases are"
      raise ActiveRecord::AdapterNotSpecified,
        "#{missing_db} configured for '#{environment}'. Available configuration: #{configurations.inspect}"
    end

    config.validate!
    config
  end
end


  








  

    #environment  
  

  [ GitHub ]


  

  


# File 'railties/lib/rails/commands/dbconsole/dbconsole_command.rb', line 48



def environment
  @options[:environment]
end


  








  

    #start  
  

  [ GitHub ]


  

  


# File 'railties/lib/rails/commands/dbconsole/dbconsole_command.rb', line 17



def start
  adapter_class.dbconsole(db_config, @options)
rescue NotImplementedError, ActiveRecord::AdapterNotFound, LoadError => error
  abort error.message
end