Fixed #593 -- Added 'search' DB-API lookup type, which does full-text index searches in MySQL

git-svn-id: http://code.djangoproject.com/svn/django/trunk@3073 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/db/backends/postgresql_psycopg2/base.py

@@ -108,6 +108,9 @@ def get_limit_offset_sql(limit, offset=None):
 def get_random_function_sql():
     return "RANDOM()"
 
+def get_fulltext_search_sql(field_name):
+    raise NotImplementedError
+
 def get_drop_foreignkey_sql():
     return "DROP CONSTRAINT"