django workaround for multiple primary keys or sqlalchemy

Hi all,

i'm fairly new to Django and i have a question regarding the best practice for a situation i've got.

I'm working on a new project and after designing my ERD I know i need a few tables to have multiple primary keys and one table with triple primary keys.

after reading about the subject online i found out that Django does not support this feature yet but there is a workaround which is to add a unique_together constraint (if i understand correct)

reading some more online there are recommendations for working with SQLAlchemy that does support the multiple primary key issue.

I have 2 questions regarding those issues:

1. if I use the django workaround will it later bite me in the ass performance wise and simply by not working correctly?

2. if i'll work with SQLAlchemy does that mean that i wont be able to work with django models and all that is derived from working like so?

whats the recommended practice for my situation?

Thanks all..

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