public function Database::updateIndex in Search API 8

Notifies the server that an index attached to it has been changed.

If any user action is necessary as a result of this, the method should set a message to notify the user.

Parameters

\Drupal\search_api\IndexInterface $index: The updated index.

Throws

\Drupal\search_api\SearchApiException Thrown if an error occurred while reacting to the change.

Overrides BackendPluginBase::updateIndex

File

modules/search_api_db/src/Plugin/search_api/backend/Database.php, line 671

Class

Database

Indexes and searches items using the database.

Namespace

Drupal\search_api_db\Plugin\search_api\backend

Code

public function updateIndex(IndexInterface $index) {

  // Process field ID changes so they won't lead to reindexing.
  $renames = $index
    ->getFieldRenames();
  if ($renames) {
    $db_info = $this
      ->getIndexDbInfo($index);

    // We have to recreate "field_tables" from scratch in case field IDs got
    // swapped between two (or more) fields.
    $fields = [];
    foreach ($db_info['field_tables'] as $field_id => $info) {
      if (isset($renames[$field_id])) {
        $field_id = $renames[$field_id];
      }
      $fields[$field_id] = $info;
    }
    if ($fields != $db_info['field_tables']) {
      $db_info['field_tables'] = $fields;
      $this
        ->getKeyValueStore()
        ->set($index
        ->id(), $db_info);
    }
  }

  // Check if any fields were updated and trigger a reindex if needed.
  if ($this
    ->fieldsUpdated($index)) {
    $index
      ->reindex();
  }
}