youtube_playlist-8.x-1.x-dev/youtube_playlist.install

<?php

/**
 * @file
 */

use Drupal\Core\Field\BaseFieldDefinition;

/**
*
* Implementation of hook_update().
*/
function youtube_palylist_update_9010() {
  $database = \Drupal::database();
  $schema = $database->schema();
  if ($schema->tableExists('youtube_playlist') == FALSE) {
    \Drupal::entityTypeManager()->clearCachedDefinitions();
    \Drupal::entityDefinitionUpdateManager()
     ->installEntityType(\Drupal::entityTypeManager()->getDefinition('youtube_playlist'));
  }
}