My initial concern was around the minimum PostgreSQL version that Django
5.0 will support. According to
https://en.wikipedia.org/wiki/PostgreSQL#Release_history , PostgreSQL 10 is
supported until 2022-11-10 , and version 11 until 2023-11-09. With Django
5.0 expected in 2024-01, it should be fine to deprecate the CI fields for
removal in Django 5.0. Users on old PostgreSQL versions can manage the
deprecation warning until they upgrade.
So +1 from me.
On Tue, 25 Jan 2022 at 12:39, Mariusz Felisiak <felisiak.mari...@gmail.com>
wrote:
> Hi y'all,
>
> Django 3.2+ supports "db_collation" [1] for "CharField" and
> "TextField" along with migration operations ("CreateCollation()",
> "RemoveCollation") and the database function "Collate()" [3]. Moreover CI
> fields and the entire "citext" module are discouraged since PostgreSQL 12
> [4] in favor of collations. I think it's time to deprecate CI fields from
> the "contrib.postgres" in favor of "CharField" and "TextField" with case
> insensitive collations (and remove them in Django 5.0).
>
> Best,
> Mariusz
>
> [1] https://code.djangoproject.com/ticket/31777
> [2] https://code.djangoproject.com/ticket/32046
> [3] https://code.djangoproject.com/ticket/21181
> [4] https://www.postgresql.org/docs/12/citext.html
>
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