moodle/mod/quiz/db/postgres7.php

<?PHP // $Id$

function quiz_upgrade($oldversion) {
// This function does anything necessary to upgrade
// older versions to match current functionality

    global $CFG;

    if ($oldversion < 2003010100) {
        execute_sql(" ALTER TABLE {$CFG->prefix}quiz ADD review integer DEFAULT '0' NOT NULL AFTER `grademethod` ");
    }

    if ($oldversion < 2003010301) {
        table_column("quiz_truefalse", "true", "trueanswer", "INTEGER", "10", "UNSIGNED", "0", "NOT NULL", "");
        table_column("quiz_truefalse", "false", "falseanswer", "INTEGER", "10", "UNSIGNED", "0", "NOT NULL", "");
        table_column("quiz_questions", "type", "qtype", "INTEGER", "10", "UNSIGNED", "0", "NOT NULL", "");
    }

    if ($oldversion < 2003022303) {
        modify_database ("", "CREATE TABLE prefix_quiz_randommatch (
                                  id SERIAL PRIMARY KEY,
                                  question integer NOT NULL default '0',
                                  choose integer NOT NULL default '4',
                              );");
    }
    if ($oldversion < 2003030303) {
        table_column("quiz_questions", "", "defaultgrade", "INTEGER", "6", "UNSIGNED", "1", "NOT NULL", "image");
    }

    return true;
}

?>