roryfranklin

class Event < CouchRest::Model::Base
  use_database DB
  
  property :event_type, :type => String
  property :actioner_id, :type => String
  property :event_date, :type => String
  property :event_parent, :type => String
  property :event_hierarchy, :type => [String], :default => []
  property :old_state
  property :new_state

roryfranklin

var asy = require('async'),
    mc = require('mc'),
    f = require('fermata');
    
var DB = 'test';

var client = new mc.Client(),
    source = f.json("http://localhost:5984")(DB);

var page = {limit:5};

roryfranklin

class Car < ApplicationRecord
  belongs_to :user
end

roryfranklin

user = User.create
5.times do |i|
  Review.create(author: user)
  Car.create(user: user)
end

roryfranklin

irb(main)> user = User.first
  User Load (1.6ms)  SELECT  "users".* FROM "users" ORDER BY "users"."id" ASC LIMIT ?  [["LIMIT", 1]]
=> #<User id: 1, created_at: "2017-07-13 18:28:46", updated_at: "2017-07-13 18:28:46">
irb(main)> user.reviews.first.author.object_id == user.object_id
  Review Load (2.7ms)  SELECT  "reviews".* FROM "reviews" WHERE "reviews"."author_id" = ? ORDER BY "reviews"."id" ASC LIMIT ?  [["author_id", 1], ["LIMIT", 1]]
  User Load (6.3ms)  SELECT  "users".* FROM "users" WHERE "users"."id" = ? LIMIT ?  [["id", 1], ["LIMIT", 1]]
=> false
irb(main)> user.cars.first.user.object_id == user.object_id
  Car Load (1.7ms)  SELECT  "cars".* FROM "cars" WHERE "cars"."user_id" = ? ORDER BY "cars"."id" ASC LIMIT ?  [["user_id", 1], ["LIMIT", 1]]
=> true

roryfranklin

class User < ApplicationRecord
  has_many :reviews, inverse_of: 'author', foreign_key: 'author_id'
  has_many :cars
end

roryfranklin

irb(main)> user = User.first
  User Load (2.9ms)  SELECT  "users".* FROM "users" ORDER BY "users"."id" ASC LIMIT ?  [["LIMIT", 1]]
=> #<User id: 1, created_at: "2017-07-13 18:28:46", updated_at: "2017-07-13 18:28:46">
irb(main)> user.reviews.first.author.object_id == user.object_id
  CarReview Load (1.4ms)  SELECT  "reviews".* FROM "reviews" WHERE "reviews"."author_id" = ? ORDER BY "reviews"."id" ASC LIMIT ?  [["author_id", 1], ["LIMIT", 1]]
=> true
irb(main)> user.cars.first.user.object_id == user.object_id
  Car Load (1.7ms)  SELECT  "cars".* FROM "cars" WHERE "cars"."user_id" = ? ORDER BY "cars"."id" ASC LIMIT ?  [["user_id", 1], ["LIMIT", 1]]
=> true