20     protected $pdo;  variable in auth_plugin_authpdo
45             $this->pdo = new PDO(
216         $this->pdo->beginTransaction();
240         $this->pdo->commit();
245         $this->pdo->rollBack();
261         $this->pdo->beginTransaction();
331         $this->pdo->commit();
336         $this->pdo->rollBack();
516         $this->pdo->beginTransaction();
532         $this->pdo->commit();
536         $this->pdo->rollBack();
661         $sth = $this->pdo->prepare($sql);
775                 $val = $this->pdo->quote($val, PDO::PARAM_INT);
777                 $val = $this->pdo->quote($val, PDO::PARAM_BOOL);
781                 $val = $this->pdo->quote($val);