Fixed #11209 -- Added a note to doc on connection.queries that the logged sql may not inlude parameter quoting.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@10847 bcc190cf-cafb-0310-a4f2-bffc1f526a37

docs/faq/models.txt

@@ -22,6 +22,9 @@ of dictionaries in order of query execution. Each dictionary has the following::
 
 ``connection.queries`` includes all SQL statements -- INSERTs, UPDATES,
 SELECTs, etc. Each time your app hits the database, the query will be recorded.
+Note that the raw SQL logged in ``connection.queries`` may not include
+parameter quoting.  Parameter quoting is performed by the database-specific 
+backend, and not all backends provide a way to retrieve the SQL after quoting.
 
 Can I use Django with a pre-existing database?
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