MySQL rounding dates with Knex

index.js

var assert = require('assert')
var knex = require('knex')
var mysql = knex({
  client: 'mysql',
  connection: {
    database: 'bookshelf_test',
    user: 'root',
    encoding: 'utf8'
  }
})
var sqlite = knex({
  client: 'sqlite3',
  connection: {filename: ':memory:'},
  useNullAsDefault: true
})
var db = mysql // Change this to test another client

before(function() {
  return db.schema.dropTableIfExists('cars').then(function() {
    return db.schema.createTable('cars', function(table) {
      table.increments()
      table.string('name', 10)
      table.timestamps()
    })
  })
})

after(function() {
  return db.schema.dropTableIfExists('cars').finally(function() {
    return db.destroy()
  })
})

describe('hasTimestamps', function() {
  it('maintains a consistent date value between saving and fetching rows', function() {
    var createdAt = new Date()
    var updatedAt = createdAt

    return db('cars').insert({name: 'car', created_at: createdAt}).then(function() {
      return db('cars').where({id: 1})
    }).then(function(car) {
      if (db.client.dialect === 'sqlite3') car[0].created_at = new Date(car[0].created_at)
      assert.equal(car[0].created_at.toJSON(), createdAt.toJSON())
    })
  })
})

package.json

{
  "name": "knex_timestamps",
  "version": "0.0.1",
  "description": "Test timestamps",
  "main": "index.js",
  "scripts": {
    "test": "mocha index.js"
  },
  "dependencies": {
    "knex": "0.14.4",
    "mysql": "*",
    "mocha": "*",
    "sqlite3": "*"
  },
  "author": "Ricardo Graça <ricardo@devius.net>",
  "license": "ISC"
}