function search_api_update_7113 in Search API 7

Removes superfluous data from the stored index options.

File

./search_api.install, line 845

Install, update and uninstall functions for the Search API module.

Code

function search_api_update_7113() {
  $indexes = db_select('search_api_index', 'i')
    ->fields('i')
    ->execute();
  foreach ($indexes as $index) {
    $options = unserialize($index->options);

    // Weed out fields settings.
    if (!empty($options['fields'])) {
      foreach ($options['fields'] as $key => $field) {
        if (isset($field['indexed']) && !$field['indexed']) {
          unset($options['fields'][$key]);
          continue;
        }
        unset($options['fields'][$key]['name'], $options['fields'][$key]['indexed']);
        if (isset($field['boost']) && $field['boost'] == '1.0') {
          unset($options['fields'][$key]['boost']);
        }
      }
    }

    // Weed out processor settings.
    if (!empty($options['processors'])) {

      // Only weed out settings for our own processors.
      $processors = array(
        'search_api_case_ignore',
        'search_api_html_filter',
        'search_api_tokenizer',
        'search_api_stopwords',
      );
      foreach ($processors as $key) {
        if (empty($options['processors'][$key])) {
          continue;
        }
        $processor = $options['processors'][$key];
        if (empty($processor['settings']['fields'])) {
          continue;
        }
        $fields = array_filter($processor['settings']['fields']);
        if ($fields) {
          $fields = array_combine($fields, array_fill(0, count($fields), TRUE));
        }
        $options['processors'][$key]['settings']['fields'] = $fields;
      }
    }

    // Weed out settings for the „Aggregated fields“ data alteration.
    if (!empty($options['data_alter_callbacks']['search_api_alter_add_aggregation']['settings']['fields'])) {
      unset($options['data_alter_callbacks']['search_api_alter_add_aggregation']['settings']['actions']);
      $aggregated_fields =& $options['data_alter_callbacks']['search_api_alter_add_aggregation']['settings']['fields'];
      foreach ($aggregated_fields as $key => $field) {
        unset($aggregated_fields[$key]['actions']);
        if (!empty($field['fields'])) {
          $aggregated_fields[$key]['fields'] = array_values(array_filter($field['fields']));
        }
      }
    }
    $options = serialize($options);
    if ($options != $index->options) {

      // Mark the entity as overridden, in case it has been defined in code
      // only.
      $index->status |= 0x1;
      db_update('search_api_index')
        ->fields(array(
        'options' => $options,
        'status' => $index->status,
      ))
        ->condition('id', $index->id)
        ->execute();
    }
  }
}