From 0fa339ce71bae6f9cebe341876f6aa41840ca2ff Mon Sep 17 00:00:00 2001 From: Sarah Boyce <42296566+sarahboyce@users.noreply.github.com> Date: Fri, 19 Sep 2025 16:27:51 +0200 Subject: [6.0.x] Fixed #36611, Refs #36580 -- Added system check for multicolumn ForeignObject in Meta.indexes/constraints/unique_together. ForeignObjects with multiple `from_fields` are not supported in these options. Co-authored-by: Jacob Walls Co-authored-by: Natalia <124304+nessita@users.noreply.github.com> Backport of 5b51e6f759f2ba993219347435149173c756c478 from main. --- docs/ref/checks.txt | 3 +++ docs/releases/6.0.txt | 4 ++++ 2 files changed, 7 insertions(+) (limited to 'docs') diff --git a/docs/ref/checks.txt b/docs/ref/checks.txt index ab92220ac9..7735eed478 100644 --- a/docs/ref/checks.txt +++ b/docs/ref/checks.txt @@ -443,6 +443,9 @@ Models * **models.E048**: ``constraints/indexes/unique_together`` refers to a ``CompositePrimaryKey`` ````, but ``CompositePrimaryKey``\s are not supported for that option. +* **models.E049**: ``constraints/indexes/unique_together`` refers to a + ``ForeignObject`` ```` with multiple ``from_fields``, which is + not supported for that option. Management Commands ------------------- diff --git a/docs/releases/6.0.txt b/docs/releases/6.0.txt index 56e4bf2315..fd30c66121 100644 --- a/docs/releases/6.0.txt +++ b/docs/releases/6.0.txt @@ -295,6 +295,10 @@ Models don't support it (MySQL and MariaDB), the fields are marked as deferred to trigger a refresh on subsequent accesses. +* Using a :ref:`ForeignObject ` with multiple + ``from_fields`` in Model indexes, constraints, or :attr:`unique_together + ` now emits a system check error. + Pagination ~~~~~~~~~~ -- cgit v1.3