Views Argument Cache with Indexing: Update argument index table `aid` length

MODULENAME.install

<?php
/**
 * @file
 */

/**
 * Implements hook_schema_alter().
 */
function MODULENAME_schema_alter(&$schema) {
  if (isset($schema['views_arg_cache_index_arguments'])) {
    $schema['views_arg_cache_index_arguments']['fields']['aid']['size'] = 'big';
  }
}

/**
 * Increase the size of the `views_arg_cache_index_arguments.aid` column.
 */
function MODULENAME_update_7001() {
  if (module_exists('views_arg_cache_index')) {
    // Flush all Views Arg Cache Index views and tables.
    $query = db_select('views_arg_cache_index', 'v')
      ->fields('v', array('cid'))
      ->execute();
    $cids = $query->fetchAllAssoc('cid');
    cache_clear_all(array_keys($cids), VIEWS_ARG_CACHE_INDEX_CACHE_TABLE, TRUE);
    db_truncate('views_arg_cache_index')->execute();
    db_truncate('views_arg_cache_index_arguments')->execute();

    $schema = drupal_get_schema('views_arg_cache_index_arguments');
    $schema['fields']['aid']['size'] = 'big';
    db_change_field('views_arg_cache_index_arguments', 'aid', 'aid', $schema['fields']['aid']);
  }
}