DOC: how to properly handle ADD of entity with conflicting primary key (email)

[sglebs]

DOC: how to properly handle ADD of entity with conflicting primary key (email)

[jowilf]

I know there's the #before_create and #before_edit methods which I already use for some data validation. Should I do it in here? In the #before_create? Do a database query in #before_create and check?

You can also catch the Exception. e.g:

starlette-admin/examples/sqla/views.py

Line 66 in 7465db9

def handle_exception(self, exc: Exception) -> None:

[hasansezertasan]

Somewhat related: #451

I think before_edit and before_create checks feels good.

I believe you could also implement a custom field for each unique columns and field types and use it instead.