Began implementing BaseDatabaseOperations class for every database backend. This class will be used to hold the database-specific methods that currently live at the module level in each backend. Only autoinc_sql() has been implemented so far.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@5950 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/db/backends/postgresql/base.py

@@ -5,7 +5,7 @@ Requires psycopg 1: http://initd.org/projects/psycopg1
 """
 
 from django.utils.encoding import smart_str, smart_unicode
-from django.db.backends import BaseDatabaseWrapper, util
+from django.db.backends import BaseDatabaseWrapper, BaseDatabaseOperations, util
 try:
     import psycopg as Database
 except ImportError, e:
@@ -57,7 +57,12 @@ class UnicodeCursorWrapper(object):
 
 postgres_version = None
 
+class DatabaseOperations(BaseDatabaseOperations):
+    pass
+
 class DatabaseWrapper(BaseDatabaseWrapper):
+    ops = DatabaseOperations()
+
     def _cursor(self, settings):
         set_tz = False
         if self.connection is None:
@@ -157,9 +162,6 @@ def get_max_name_length():
 def get_start_transaction_sql():
     return "BEGIN;"
 
-def get_autoinc_sql(table):
-    return None
-
 def get_sql_flush(style, tables, sequences):
     """Return a list of SQL statements required to remove all data from
     all tables in the database (without actually removing the tables