function Sql::loadEntities

Loads all entities contained in the passed-in $results.

If the entity belongs to the base table, then it gets stored in $result->_entity. Otherwise, it gets stored in $result->_relationship_entities[$relationship_id];

Parameters

\Drupal\views\ResultRow[] $results: The result of the SQL query.

Overrides QueryPluginBase::loadEntities

File

core/modules/views/src/Plugin/views/query/Sql.php, line 1579

Class

Sql

Views query plugin for an SQL query.

Namespace

Code

public function loadEntities(&$results) {
    $entity_information = $this->getEntityTableInfo();
    // No entity tables found, nothing else to do here.
    if (empty($entity_information)) {
        return;
    }
    // Extract all entity types from entity_information.
    $entity_types = [];
    foreach ($entity_information as $info) {
        $entity_type = $info['entity_type'];
        if (!isset($entity_types[$entity_type])) {
            $entity_types[$entity_type] = $this->entityTypeManager
                ->getDefinition($entity_type);
        }
    }
    // Assemble a list of entities to load.
    $entity_ids_by_type = [];
    $revision_ids_by_type = [];
    foreach ($entity_information as $info) {
        $relationship_id = $info['relationship_id'];
        $entity_type = $info['entity_type'];
        
        /** @var \Drupal\Core\Entity\EntityTypeInterface $entity_info */
        $entity_info = $entity_types[$entity_type];
        $revision = $info['revision'];
        $id_key = !$revision ? $entity_info->getKey('id') : $entity_info->getKey('revision');
        $id_alias = $this->getFieldAlias($info['alias'], $id_key);
        foreach ($results as $index => $result) {
            // Store the entity id if it was found.
            if (isset($result->{$id_alias}) && $result->{$id_alias} != '') {
                if ($revision) {
                    $revision_ids_by_type[$entity_type][$index][$relationship_id] = $result->{$id_alias};
                }
                else {
                    $entity_ids_by_type[$entity_type][$index][$relationship_id] = $result->{$id_alias};
                }
            }
        }
    }
    // Load all entities and assign them to the correct result row.
    foreach ($entity_ids_by_type as $entity_type => $ids) {
        $entity_storage = $this->entityTypeManager
            ->getStorage($entity_type);
        $flat_ids = iterator_to_array(new \RecursiveIteratorIterator(new \RecursiveArrayIterator($ids)), FALSE);
        $entities = $entity_storage->loadMultiple(array_unique($flat_ids));
        $results = $this->assignEntitiesToResult($ids, $entities, $results);
    }
    // Now load all revisions.
    foreach ($revision_ids_by_type as $entity_type => $revision_ids) {
        $entity_storage = $this->entityTypeManager
            ->getStorage($entity_type);
        $entities = [];
        foreach ($revision_ids as $index => $revision_id_by_relationship) {
            foreach ($revision_id_by_relationship as $revision => $revision_id) {
                // Drupal core currently has no way to load multiple revisions.
                $entity = $entity_storage->loadRevision($revision_id);
                $entities[$revision_id] = $entity;
            }
        }
        $results = $this->assignEntitiesToResult($revision_ids, $entities, $results);
    }
}