Doctrine\ODM\CouchDB\DocumentManager::createQuery PHP Method

    public function createQuery($designDocName, $viewName)
    {
        $designDoc = $this->config->getDesignDocument($designDocName);
        if ($designDoc) {
            $designDoc = new $designDoc['className']($designDoc['options']);
        }
        $query = new ODMQuery($this->couchDBClient->getHttpClient(), $this->couchDBClient->getDatabase(), $designDocName, $viewName, $designDoc);
        $query->setDocumentManager($this);
        return $query;
    }

 public function findBy(array $criteria, array $orderBy = null, $limit = null, $offset = null)
 {
     if (count($criteria) == 1) {
         foreach ($criteria as $field => $value) {
             $query = $this->dm->createQuery('doctrine_repositories', 'equal_constraint')->setKey(array($this->documentType, $field, $value))->setIncludeDocs(true)->toArray(true);
             if ($limit) {
                 $query->setLimit($limit);
             }
             if ($offset) {
                 $query->setSkip($offset);
             }
             return $query->execute();
         }
     } else {
         $ids = array();
         $num = 0;
         foreach ($criteria as $field => $value) {
             $ids[$num] = array();
             $result = $this->dm->createNativeQuery('doctrine_repositories', 'equal_constraint')->setKey(array($this->documentType, $field, $value))->execute();
             foreach ($result as $doc) {
                 $ids[$num][] = $doc['id'];
             }
             $num++;
         }
         $mergeIds = $ids[0];
         for ($i = 1; $i < $num; $i++) {
             $mergeIds = array_intersect($mergeIds, $ids[$i]);
         }
         return $this->findMany(array_values($mergeIds), $limit, $offset);
     }
 }