table 'roles_users' is already defined for this MetaData instance

Question

hello iam trying to get a currnet_user information in my views

and i include from users.models import *

then in my code return return current_user;

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Answer 1

My name is Jacob. I had the same situation.

The issue is this: this occurs when you are importing parent and child tables in the same code. Then you import CHILD table, the CHILD table brings the parent table's structure also into the metadata. So you don't need to import PARENT table again.

The solution is this: you would need to rearrange the order of importing the ORM structures in your code. The order is based on parent + child relation.

Example: The following yields an error:

import CHILD_ORM
import PARENT_ORM   

Rearrange the order as follows, to prevent the error:

import PARENT_ORM   
import CHILD_ORM