sequelize association problem

create.coffee

Sequelize = require 'sequelize'

sequelize = new Sequelize 'sequelize-test', 'postgres', 'changeme123',
    host: 'localhost'
    port: 5432
    dialect: 'postgres'

A = sequelize.define 'a', name: Sequelize.STRING
B = sequelize.define 'b', name: Sequelize.STRING

A.belongsTo B, as: 'relation1'
A.hasMany B, as: 'relation2'
B.hasMany A, as: 'relation2'

sequelize.sync().success ->
    chainer = new Sequelize.Utils.QueryChainer [
        A.create name: 'a1'
        A.create name: 'a2'
        B.create name: 'b1'
        B.create name: 'b2'
    ]
    chainer.run().success (res, a1, a2, b1, b2) ->
        chainer = new Sequelize.Utils.QueryChainer [
            a1.setRelation1 b1
            a2.setRelation1 b2
            b1.setRelation2 [a1]
            b2.setRelation2 [a1, a2]
        ]
        chainer.run().success ->
            console.log 'created database'

find.coffee

Sequelize = require 'sequelize'

sequelize = new Sequelize 'sequelize-test', 'postgres', 'changeme123',
    host: 'localhost'
    port: 5432
    dialect: 'postgres'

A = sequelize.define 'a', name: Sequelize.STRING
B = sequelize.define 'b', name: Sequelize.STRING

A.belongsTo B, as: 'relation1'
A.hasMany B, as: 'relation2'
B.hasMany A, as: 'relation2'

sequelize.sync().success ->
    chainer = new Sequelize.Utils.QueryChainer [
        A.find where: {name: 'a1'}
        A.find where: {name: 'a2'}
        B.find where: {name: 'b1'}
        B.find where: {name: 'b2'}
    ]
    chainer.run().success (res, a1, a2, b1, b2) ->
        console.log a1.name
        console.log a2.name
        console.log b1.name
        console.log b2.name
        chainer = new Sequelize.Utils.QueryChainer [
            a1.getRelation1()
            a2.getRelation1()
            b1.getRelation2()
            b2.getRelation2()
        ]
        chainer.run().success (res, i1, i2, is1, is2) ->
            console.log i1
            console.log i2
            console.log is1.map (i) -> i.name
            console.log is2.map (i) -> i.name

package.json

{
  "name": "sequelize-association-problem",
  "version": "0.0.0",
  "description": "",
  "main": "index.js",
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1"
  },
  "author": "",
  "license": "BSD-2-Clause",
  "dependencies": {
    "sequelize": "~2.0.0-beta.0",
    "pg": "~2.6.2"
  }
}