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fastapi-users/docs/migration/2x_to_3x.md
François Voron b7dbdf6ea6 Fix #245 : handle email as case insensitive while retrieving user in DB (#250) 
* Add unit tests to enforce email case insensitivity

* Handle email as case insentitive while retrieving user in DB

* Apply isort/black

* Add migration doc
2020-07-09 18:44:25 +02:00

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2.x.x ➡️ 3.x.x

Emails are now case-insensitive

Before 3.x.x, the local part (before the @) of the email address was case-sensitive. Therefore, king.arthur@camelot.bt and King.Arthur@camelot.bt were considered as two different users. This behaviour was a bit confusing and not consistent with 99% of web services out there.

After 3.x.x, users are fetched from the database with a case-insensitive email search. Bear in mind though that if the user registers with the email King.Arthur@camelot.bt, it will be stored exactly like this in the database (with casing) ; but he will be able to login as king.arthur@camelot.bt.

!!! danger It's super important then, before you upgrade to 3.x.x that you check if there are several users with the same email with different cases ; and that you merge or delete those accounts.