EntityFieldQuery::queryCallback
public function EntityFieldQuery::queryCallback
public EntityFieldQuery::queryCallback()
Determines the query callback to use for this entity query.
Return value
A callback that can be used with call_user_func().
File
- includes/entity.inc, line 1227
Class
- EntityFieldQuery
- Retrieves entities matching a given set of conditions.
Code
public function queryCallback() { // Use the override from $this->executeCallback. It can be set either // while building the query, or using hook_entity_query_alter(). if (function_exists($this->executeCallback)) { return $this->executeCallback; } // If there are no field conditions and sorts, and no execute callback // then we default to querying entity tables in SQL. if (empty($this->fields)) { return array($this, 'propertyQuery'); } // If no override, find the storage engine to be used. foreach ($this->fields as $field) { if (!isset($storage)) { $storage = $field['storage']['module']; } elseif ($storage != $field['storage']['module']) { throw new EntityFieldQueryException(t("Can't handle more than one field storage engine")); } } if ($storage) { // Use hook_field_storage_query() from the field storage. return $storage . '_field_storage_query'; } else { throw new EntityFieldQueryException(t("Field storage engine not found.")); } }
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https://api.drupal.org/api/drupal/includes!entity.inc/function/EntityFieldQuery::queryCallback/7.x