| published by | Adam Johnson |
|---|---|
| in blog | Adam Johnson |
| original entry | How to migrate from Django’s PostgreSQL CI Fields to use a case-insensitive collation |
If you upgrade to Django 4.2, you may see system check warnings like:
example.User.email: (fields.W906) django.contrib.postgres.fields.CIEmailField is deprecated. Support for it (except in historical migrations) will be removed in Django 5.1.
HINT: Use EmailField(db_collation="…") with a case-insensitive non-deterministic collation instead …