diff options
Diffstat (limited to 'docs')
| -rwxr-xr-x | docs/topics/migrations.txt | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/docs/topics/migrations.txt b/docs/topics/migrations.txt index c43b256eff..be8dd6e659 100755 --- a/docs/topics/migrations.txt +++ b/docs/topics/migrations.txt @@ -213,8 +213,13 @@ will be. Be aware, however, that unmigrated apps cannot depend on migrated apps, by the very nature of not having migrations. This means that it is not generally -possible to have an unmigrated app have a ForeignKey or ManyToManyField to -a migrated app; some cases may work, but it will eventually fail. +possible to have an unmigrated app have a ``ForeignKey`` or ``ManyToManyField`` +to a migrated app; some cases may work, but it will eventually fail. + +.. warning:: + + Even if things appear to work with unmigrated apps depending on migrated + apps, Django may not generate all the necessary foreign key constraints! This is particularly apparent if you use swappable models (e.g. ``AUTH_USER_MODEL``), as every app that uses swappable models will need |