/** * Alters a search query before executing it. * * @param SearchApiMultiQueryInterface $query * The executed search query. */ function hook_search_api_multi_query_alter(SearchApiMultiQueryInterface $query) { $indexes = $query->getIndexes(); if (isset($indexes['default_node_index'])) { $query->condition('default_node_index:author', 0, '!='); } }