Demonstrate Objection.js crash on select(1) in eager join

objection_eager_join_select_1.js

const Knex = require('knex')
const objection = require('objection')
const Model = objection.Model

const knex = Knex({ client: 'pg', connection: { database: 'test' } })

Model.knex(knex)

class Foo extends Model {
  static get tableName () {
    return 'foo'
  }

  static get relationMappings () {
    return {
      bar: {
        relation: Model.HasOneRelation, // reverse link
        modelClass: Bar,
        join: {
          from: 'bar.foo_id',
          to: 'foo.id',
        },
      },
    }
  }
}

class Bar extends Model {
  static get tableName () {
    return 'bar'
  }
  static get idColumn () {
    return 'foo_id'
  }
}

async function main () {
  await knex.schema.createTable('foo', table => {
    table.integer('id').primary()
    table.string('name')
  })
  await knex.schema.createTable('bar', table => {
    table.integer('foo_id').primary()
    table.foreign('foo_id').references('foo.id')
  })
  await Foo.query().insert({id: 1, name: 'one'})
  await Foo.query().insert({id: 2, name: 'two'})
  await Bar.query().insert({foo_id: 2})

  const foosWithBar = await Foo.query()
    .eagerAlgorithm(Foo.JoinEagerAlgorithm)
    .eager('bar(bar)', {
      bar: query => query.select(1),
    })
    .whereNotNull('bar.foo_id')
  console.log('Foos with bar:', foosWithBar)
}

main().then(() => { console.log('finished') }).catch(err => { console.error(err) })