Constraint Issue

[fwt-parth-jariwala]

Hello,
when i run following command:
db-to-sqlite "postgresql://username:password@localhost/databaseName" databaseName.db \
--all
It dump my database with all table but it does not copy all constraints. How can i copy all my constraints like unique, check, foreign key and all others?

I am running it on ubuntu 20.04