class NodeController

class NodeController extends DrupalDefaultEntityController {
    protected function attachLoad(&$nodes, $revision_id = FALSE) {
        // Create an array of nodes for each content type and pass this to the
        // object type specific callback.
        $typed_nodes = array();
        foreach ($nodes as $id => $entity) {
            $typed_nodes[$entity->type][$id] = $entity;
        }
        // Call object type specific callbacks on each typed array of nodes.
        foreach ($typed_nodes as $node_type => $nodes_of_type) {
            if (node_hook($node_type, 'load')) {
                $function = node_type_get_base($node_type) . '_load';
                $function($nodes_of_type);
            }
        }
        // Besides the list of nodes, pass one additional argument to
        // hook_node_load(), containing a list of node types that were loaded.
        $argument = array_keys($typed_nodes);
        $this->hookLoadArguments = array(
            $argument,
        );
        parent::attachLoad($nodes, $revision_id);
    }
    protected function buildQuery($ids, $conditions = array(), $revision_id = FALSE) {
        // Ensure that uid is taken from the {node} table,
        // alias timestamp to revision_timestamp and add revision_uid.
        $query = parent::buildQuery($ids, $conditions, $revision_id);
        $fields =& $query->getFields();
        unset($fields['timestamp']);
        $query->addField('revision', 'timestamp', 'revision_timestamp');
        $fields['uid']['table'] = 'base';
        $query->addField('revision', 'uid', 'revision_uid');
        return $query;
    }

}