Ticket #15582: 15582.diff

docs/topics/testing/overview.txt

@@ -1229 +1229 @@
 can be certain that the outcome of a test will not be affected by another test,
 or by the order of test execution.
 
+If you are using multiple databases, fixtures are only loaded into the
+``default`` database by default. If you set :attr:`multi_db=True
+<TransactionTestCase.multi_db>`, fixtures are loaded into all databases.
+
 URLconf configuration
 ~~~~~~~~~~~~~~~~~~~~~
 
@@ -1294 +1298 @@
 This test case will flush *all* the test databases before running
 ``testIndexPageView``.
 
+The ``multi_db`` flag also affects which databases the fixtures from
+:attr:`TransactionTestCase.fixtures` are loaded into. By default
+(when ``multi_db=False``), fixtures are only loaded into the ``default``
+database. If ``multi_db=True``, fixtures are loaded into all databases.
+
 .. _overriding-settings:
 
 Overriding settings