arthurnn

class Face
  belongs_to :man
end

class Man
  has_one :face

  before_save do
    # this will autosave the parent.
    create_face!

arthurnn

diff --git a/lib/moped/connection/queue.rb b/lib/moped/connection/queue.rb
index fe3a336..82fc666 100644
--- a/lib/moped/connection/queue.rb
+++ b/lib/moped/connection/queue.rb
@@ -84,7 +84,7 @@ module Moped
         loop do
           return queue.pop unless queue.empty?
           wait = deadline - Time.now
-          raise Timeout::Error, "Waited for item but none was pushed." if wait <= 0
+          raise Timeout::Error, "Waited for item but none was pushed. [thread list: #{Thread.list}, current: #{Thread.current.object_id}]" if wait <= 0

arthurnn

Counter Cache

###Example: Model definition:

  class Person
    include Mongoid::Document
    has_many :kittens
    field :kittens_counter, type: Integer, default: 0
 end

arthurnn

class PostSerializer
  embed :ids
end

class CatSerializer
  embed :ids, include: true
end

arthurnn

class MongoidConnectionMiddleware
  def initialize(app)
    @app = app
  end

  def call(env)
    @app.call(env)
  ensure
    clean_connection
  end

arthurnn

class Hotel
  include Mongoid::Document
  field :name, localize: true
  field :coordinates
end

2_000.times do |i|
  Hotel.create!(name: "hotel #{i}", coordinates: i*2)
end

arthurnn

Arthurs-MacBook-Pro:~ arthurnn$ mongo mongodb://heroku_app19278391:[email protected]:53858/heroku_app19278391
MongoDB shell version: 2.4.7
connecting to: mongodb://heroku_app19278391:[email protected]:53858/heroku_app19278391
Thu Nov  7 19:00:39.329   Assertion failure _setName.size() src/mongo/client/dbclientinterface.h 211
0x10a63c530 0x10a615687 0x10a58e376 0x10a578852 0x10a60ac01 0x10a5fba1f 0x10a6fa638 0x1cfdb5b06362
 0   mongo                               0x000000010a63c530 _ZN5mongo15printStackTraceERSo + 64
 1   mongo                               0x000000010a615687 _ZN5mongo12verifyFailedEPKcS1_j + 295
 2   mongo                               0x000000010a58e376 _ZN5mongo16ConnectionStringC2ENS0_14ConnectionTypeERKSsS3_ + 390
 3   mongo                               0x000000010a578852 _ZN5mongo16ConnectionString5parseERKSsRSs + 322
 4   mongo                               0x000000010a60ac01 _ZN5mongo17mongoConsExternalEPNS_7V8ScopeERKN2v89

arthurnn

require 'moped'

logg = Logger.new $stdout
logg.level = 0
Moped.logger = logg

s = Moped::Session.new(['ds053858.mongolab.com:53858'], {database: 'heroku_app19278391', pool_size: 1})
s.login('heroku_app19278391', '79n011fsj88dh88d8q8g2k5k4j')
p s.command(ismaster: 1)

arthurnn

require 'mongoid'
require 'mongoid/support/query_counter'

CONFIG = {
  sessions: {
    default: {
      database: "mongoid_test",
      hosts: [ "localhost:27017" ]
    }
  }

arthurnn

require 'mongoid'
require 'mongoid/support/query_counter'

CONFIG = {
  sessions: {
    default: {
      database: "mongoid_test",
      hosts: [ "localhost:27017" ]
    }
  }