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Methods
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Class Public methods
new(options = {})
# File railties/lib/rails/commands/dbconsole/dbconsole_command.rb, line 12
def initialize(options = {})
  @options = options
end
start(*args)
# File railties/lib/rails/commands/dbconsole/dbconsole_command.rb, line 8
def self.start(*args)
  new(*args).start
end
Instance Public methods
config()
# File railties/lib/rails/commands/dbconsole/dbconsole_command.rb, line 91
def config
  @config ||= begin
    if configurations[environment].blank?
      raise ActiveRecord::AdapterNotSpecified, "'#{environment}' database is not configured. Available configuration: #{configurations.inspect}"
    else
      configurations[environment]
    end
  end
end
environment()
# File railties/lib/rails/commands/dbconsole/dbconsole_command.rb, line 101
def environment
  Rails.respond_to?(:env) ? Rails.env : Rails::Command.environment
end
start()
# File railties/lib/rails/commands/dbconsole/dbconsole_command.rb, line 16
def start
  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 "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
Instance Protected methods
configurations()
# File railties/lib/rails/commands/dbconsole/dbconsole_command.rb, line 106
def configurations
  require APP_PATH
  ActiveRecord::Base.configurations = Rails.application.config.database_configuration
  ActiveRecord::Base.configurations
end
find_cmd_and_exec(commands, *args)
# File railties/lib/rails/commands/dbconsole/dbconsole_command.rb, line 112
def find_cmd_and_exec(commands, *args)
  commands = Array(commands)

  dirs_on_path = ENV["PATH"].to_s.split(File::PATH_SEPARATOR)
  unless (ext = RbConfig::CONFIG["EXEEXT"]).empty?
    commands = commands.map { |cmd| "#{cmd}#{ext}" }
  end

  full_path_command = nil
  found = commands.detect do |cmd|
    dirs_on_path.detect do |path|
      full_path_command = File.join(path, cmd)
      File.file?(full_path_command) && File.executable?(full_path_command)
    end
  end

  if found
    exec full_path_command, *args
  else
    abort("Couldn't find database client: #{commands.join(', ')}. Check your $PATH and try again.")
  end
end