If you'd like to improve MediaWiki's support for PostgreSQL, consider
submitting a talk about it to PG Day:
http://pgday.consistentstate.com/node/5
PG-Day Denver 2011 will be held on Friday, October 21st, 2011 at the
Auraria Campus near downtown Denver, Colorado, USA. PG-Day Denver will
include talks that will benefit PostgreSQL users, database
administrators, developers, and executives. The call for papers is open
till August 31, but it's better to submit earlier.
--
Sumana Harihareswara
Volunteer Development Coordinator
Wikimedia Foundation