Fixed #6820: flush no longer fails under PostgreSQL 8.3. WARNING: In the...

Fixed #6820: flush no longer fails under PostgreSQL 8.3. WARNING: In the process I renamed a couple of internal functions in django.core.management.sql, so this is a backwards-incompatible change if you were using those internal functions.


git-svn-id: http://code.djangoproject.com/svn/django/trunk@7568 bcc190cf-cafb-0310-a4f2-bffc1f526a37