Refs #14661 -- Clarified the handling of initial data injected via custom SQL.

This is BACKWARDS INCOMPATIBLE CHANGE for anyone relying on SQL-injected initial data in a test case.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@15239 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/core/management/commands/syncdb.py

@@ -26,6 +26,10 @@ class Command(NoArgsCommand):
         interactive = options.get('interactive')
         show_traceback = options.get('traceback', False)
 
+        # Stealth option -- 'load_initial_data' is used by the testing setup
+        # process to disable initial fixture loading.
+        load_initial_data = options.get('load_initial_data', True)
+
         self.style = no_style()
 
         # Import the 'management' module within each installed app, to register
@@ -154,5 +158,7 @@ class Command(NoArgsCommand):
                         else:
                             transaction.commit_unless_managed(using=db)
 
-        from django.core.management import call_command
-        call_command('loaddata', 'initial_data', verbosity=verbosity, database=db)
+        # Load initial_data fixtures (unless that has been disabled)
+        if load_initial_data:
+            from django.core.management import call_command
+            call_command('loaddata', 'initial_data', verbosity=verbosity, database=db)

django/db/backends/creation.py

@@ -359,7 +359,21 @@ class BaseDatabaseCreation(object):
         # Report syncdb messages at one level lower than that requested.
         # This ensures we don't get flooded with messages during testing
         # (unless you really ask to be flooded)
-        call_command('syncdb', verbosity=max(verbosity - 1, 0), interactive=False, database=self.connection.alias)
+        call_command('syncdb',
+            verbosity=max(verbosity - 1, 0),
+            interactive=False,
+            database=self.connection.alias,
+            load_initial_data=False)
+
+        # We need to then do a flush to ensure that any data installed by
+        # custom SQL has been removed. The only test data should come from
+        # test fixtures, or autogenerated from post_syncdb triggers.
+        # This has the side effect of loading initial data (which was
+        # intentionally skipped in the syncdb).
+        call_command('flush',
+            verbosity=max(verbosity - 1, 0),
+            interactive=False,
+            database=self.connection.alias)
 
         from django.core.cache import get_cache
         from django.core.cache.backends.db import BaseDatabaseCache