how to naming rule on oracle sequence at yajra/laravel-oci8

[woodyu995]

I am using oracle 11g, Laravel 5.7, yajra/laravel-oci8 5.7.*. I know that if i use $table->increments() on migration method(php artisan migrate~~) , then generate sequence on Oracle automatically. But, when generate sequence automatically, If length on name of sequlence over 30, then how to rule that cut name in oracle?

System details

• Operating System windows 10
• PHP Version 7.3.1
• Laravel Version 5.7
• Laravel-OCI8 Version 5.7.*