Class: Rails::DBConsole

# File 'railties/lib/rails/commands/dbconsole.rb', line 107

def environment
  if Rails.respond_to?(:env)
    Rails.env
  else
    ENV["RAILS_ENV"] || ENV["RACK_ENV"] || "development"
  end
end

# File 'railties/lib/rails/commands/dbconsole.rb', line 18

def start
  options = parse_arguments(arguments)
  ENV['RAILS_ENV'] = options[:environment] || environment

  case config["adapter"]
  when /^(jdbc)?mysql/
    args = {
      'host'      => '--host',
      'port'      => '--port',
      'socket'    => '--socket',
      'username'  => '--user',
      'encoding'  => '--default-character-set',
      'sslca'     => '--ssl-ca',
      'sslcert'   => '--ssl-cert',
      'sslcapath' => '--ssl-capath',
      'sslcipher' => '--ssl-cipher',
      'sslkey'    => '--ssl-key'
    }.map { |opt, arg| "#{arg}=#{config[opt]}" if config[opt] }.compact

    if config['password'] && options['include_password']
      args << "--password=#{config['password']}"
    elsif config['password'] && !config['password'].to_s.empty?
      args << "-p"
    end

    args << config['database']

    find_cmd_and_exec(['mysql', 'mysql5'], *args)

  when /^postgres|^postgis/
    ENV['PGUSER']     = config["username"] if config["username"]
    ENV['PGHOST']     = config["host"] if config["host"]
    ENV['PGPORT']     = config["port"].to_s if config["port"]
    ENV['PGPASSWORD'] = config["password"].to_s if config["password"] && options['include_password']
    find_cmd_and_exec('psql', config["database"])

  when "sqlite"
    find_cmd_and_exec('sqlite', config["database"])

  when "sqlite3"
    args = []

    args << "-#{options['mode']}" if options['mode']
    args << "-header" if options['header']
    args << File.expand_path(config['database'], Rails.respond_to?(:root) ? Rails.root : nil)

    find_cmd_and_exec('sqlite3', *args)

  when "oracle", "oracle_enhanced"
    logon = ""

    if config['username']
      logon = config['username']
      logon << "/#{config['password']}" if config['password'] && options['include_password']
      logon << "@#{config['database']}" if config['database']
    end

    find_cmd_and_exec('sqlplus', logon)

  when "sqlserver"
    args = []

    args += ["-D", "#{config['database']}"] if config['database']
    args += ["-U", "#{config['username']}"] if config['username']
    args += ["-P", "#{config['password']}"] if config['password']

    if config['host']
      host_arg = "#{config['host']}"
      host_arg << ":#{config['port']}" if config['port']
      args += ["-S", host_arg]
    end

    find_cmd_and_exec("sqsh", *args)

  else
    abort "Unknown command-line client for #{config['database']}."
  end
end