class Mysql2::Fibered::Client

Public Instance Methods

query(sql, opts={}) click to toggle source
# File lib/active_record/connection_adapters/em_mysql2_adapter.rb, line 42
def query(sql, opts={})
  if ::EM.reactor_running?
    super(sql, opts.merge(:async => true))
    deferrable = ::EM::DefaultDeferrable.new
    ::EM.watch(self.socket, Watcher, self, deferrable).notify_readable = true
    fiber = Fiber.current
    deferrable.callback do |result|
      fiber.resume(result)
    end
    deferrable.errback do |err|
      fiber.resume(err)
    end
    Fiber.yield.tap do |result|
      raise result if result.is_a?(Exception)
    end
  else
    super(sql, opts)
  end
end