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27 lines
1.1 KiB
PHP
27 lines
1.1 KiB
PHP
<?php // $Id$
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/**
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* This file contains dtabase upgrade code that is called from lib/db/upgrade.php,
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* and also check methods that can be used for pre-install checks via
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* admin/environment.php and lib/environmentlib.php.
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*
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* @copyright © 2007 The Open University
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* @author T.J.Hunt@open.ac.uk
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* @license http://www.gnu.org/copyleft/gpl.html GNU Public License
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* @package questionbank
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*/
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/**
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* In Moodle, all random questions should have question.parent set to be the same
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* as question.id. One effect of MDL-5482 is that this will not be true for questions that
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* were backed up then restored. The probably does not cause many problems, except occasionally,
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* if the bogus question.parent happens to point to a multianswer question type, or when you
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* try to do a subsequent backup. Anyway, these question.parent values should be fixed, and
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* that is what this update does.
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*/
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function question_fix_random_question_parents() {
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global $CFG, $DB;
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return $DB->execute("UPDATE {question} SET parent = id WHERE qtype = 'random' AND parent <> id");
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}
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?>
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