Fixed #29349 -- Doc'd the default behavior of router.allow_relation().

2018-04-21 09:42:14 -04:00 · 2018-04-21 09:42:14 -04:00 · 9ec77f3d66
parent acf9d64045
commit 9ec77f3d66
1 changed files with 3 additions and 0 deletions
--- a/docs/topics/db/multi-db.txt
+++ b/docs/topics/db/multi-db.txt
@ -163,6 +163,9 @@ A database Router is a class that provides up to four methods:
    used by foreign key and many to many operations to determine if a
    relation should be allowed between two objects.

+    If no router has an opinion (i.e. all routers return ``None``), only
+    relations within the same database are allowed.
+
 .. method:: allow_migrate(db, app_label, model_name=None, **hints)

    Determine if the migration operation is allowed to run on the database with