protected function tableExist($tableName)
    {
        /** @var \Doctrine\DBAL\Schema\AbstractSchemaManager $sm */
        $sm = $this->dbHandler->getConnection()->getSchemaManager();
        foreach ($sm->listTables() as $table) {
            if ($table->getName() == $tableName) {
                return true;
            }
        }

        return false;
    }