const orm = require('ormnomnom')

class Package {
  constructor (opts) {
    Object.assign(this, opts)
  }
}

class Author {
  constructor (opts) {
    Object.assign(this, opts)
  }
}

const PackageObjects = orm(Package, {
  id: { type: 'integer' },
  name: { type: 'string', pattern: '^[a-z0-9]$'},
  author: orm.fk(Author)
})

const AuthorObjects = orm(Author, {
  id: { type: 'integer' },
  name: { type: 'string', pattern: '^[a-z0-9]$'},
  email: { type: 'string', format: 'email'}
})

PackageObjects.filter({'author.name:startsWith': 'Gary'}).then(objects => {
  // list of objects
})