boulder-oracle-sprint: Call each backend for its version of "BEGIN;" to start

a transaction.  Previously, Oracle saw the output of "./manage.py 
sqlall" as starting a PL/SQL function definition.


git-svn-id: http://code.djangoproject.com/svn/django/branches/boulder-oracle-sprint@4758 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/core/management.py

@@ -1542,6 +1542,8 @@ def print_error(msg, cmd):
     sys.exit(1)
 
 def execute_from_command_line(action_mapping=DEFAULT_ACTION_MAPPING, argv=None):
+    from django.db import backend
+    
     # Use sys.argv if we've not passed in a custom argv
     if argv is None:
         argv = sys.argv
@@ -1652,7 +1654,7 @@ def execute_from_command_line(action_mapping=DEFAULT_ACTION_MAPPING, argv=None):
         if not mod_list:
             parser.print_usage_and_exit()
         if action not in NO_SQL_TRANSACTION:
-            print style.SQL_KEYWORD("BEGIN;")
+            print style.SQL_KEYWORD(backend.get_start_transaction_sql())
         for mod in mod_list:
             if action == 'reset':
                 output = action_mapping[action](mod, options.interactive)