goosetest-516.js

var mongoose = require('./mongoose');
mongoose.connect('localhost', 'testing_516');

var ASchema = new mongoose.Schema({ 0: Number, 1: Number });

var A = mongoose.model('A', ASchema);

mongoose.connection.on('open', function () {
  var a = new A;
  a[0] = 100;
  a['1'] = 200;

  console.error('new', a);

  a.save(function (err) {
    if (err) return console.error(err.stack||err);
    A.findById(a, function (err, a) {
      if (err) return console.error(err.stack||err);
      console.error('found', a);
      console.error('a[0]: %d, a["0"]: %d, a[1]: %d, a["1"]: %d', a[0], a['0'], a[1], a['1']);
      mongoose.connection.db.dropDatabase(function () {
        mongoose.connection.close();
      });
    });
  });
});

/**
 * prints
 *
 * new { '0': 100, '1': 200, _id: 4e7c8d302e80a0645e000001 }
 * found { '0': 100, '1': 200, _id: 4e7c8d302e80a0645e000001 }
 * a[0]: 100, a["0"]: 100, a[1]: 200, a["1"]: 200
 */