Fixed #11483 -- Modified db cache backend to use db backend functions for date conversion, avoiding problems under Jython. Thanks to Leo Soto for the report and patch.
Fixed #11483 -- Modified db cache backend to use db backend functions for date conversion, avoiding problems under Jython. Thanks to Leo Soto for the report and patch.

git-svn-id: 554f83ef17aa7291f84efa897c1acfc5d0035373@12411 bcc190cf-cafb-0310-a4f2-bffc1f526a37

svn2github/django,svn2github/django,svn2github/django