code: function validateUpdates (updates, meta) {
    var language = meta.language
    var i, j, update
  
    if (!updates || !updates.length)
      throw new BadRequestError(
        message('UpdateRecordsInvalid', language))
  
    for (i = 0, j = updates.length; i < j; i++) {
      update = updates[i]
      if (!update[primaryKey])
        throw new BadRequestError(
          message('UpdateRecordMissingID', language))
    }
  }
docs: Validate updates.