Literal example

            if ($operation['operator'] === 'set' && $columnInfo[ucfirst($prefix) . ucfirst($column)]['nullable'] && $operation['value'] == '') {
                $operationValue = 'NULL';
            } else {
                $operationValue = $builder->expr()->literal(
                    // Limiting the value length to prevent possible parsing errors                     substr($operation['value'], 0, self::MAX_VALUE_LENGTH)
                );
            }

            switch (strtolower($operation['operator'])) {
                case 'removestring':
                    $builder->set("{$prefix}.$column", new Literal(["REPLACE({$prefix}.{$column}, $operationValue, '')"]));
                    break;

                case 'divide':
                case 'devide':
                    $builder->set("{$prefix}.$column", $builder->expr()->quot("{$prefix}.$column", $operationValue));
                    break;

                case 'multiply':
                    $builder->set("{$prefix}.$column", $builder->expr()->prod("{$prefix}.$column", $operationValue));
                    break;