Aggregate functions dropdown introduced.
User can select a function and its prototype will be dropped into the query box.
Change 1: New function insertFunctionQuery added on line 114 of js/functions.js
Change 2: Drop down control added for aggregate function on line 259 of libraries/sql_query_form.lib.php
Your code is unusable for us.
Please provide a patch (or series of patches) against the master branch of our GIT repo (http://wiki.phpmyadmin.net/pma/Git).
Also you can fork us on github and file a pull request afterwards (this is the preferred way).
Bye,
Rouslan