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Code Issues Projects Releases Wiki Activity

health centre: MDL-16935 Question categories should belong to a valid context solution has SQL that does not work in MySQL

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tjhunt 2008-11-27 05:57:11 +00:00
parent 16590517fa
commit 9f64eef7fd
1 changed files with 3 additions and 3 deletions

6
admin/health.php

@ -659,10 +659,10 @@ class problem_000015 extends problem_base {
function solution() {
global $CFG;
return '<p>You can delete the empty categories by executing the following SQL:</p><pre>
DELETE FROM ' . $CFG->prefix . 'question_categories qc
DELETE FROM ' . $CFG->prefix . 'question_categories
WHERE
NOT EXISTS (SELECT * FROM ' . $CFG->prefix . 'question q WHERE q.category = qc.id)
AND NOT EXISTS (SELECT * FROM ' . $CFG->prefix . 'context con WHERE qc.contextid = con.id)
NOT EXISTS (SELECT * FROM ' . $CFG->prefix . 'question q WHERE q.category = ' . $CFG->prefix . 'question_categories.id)
AND NOT EXISTS (SELECT * FROM ' . $CFG->prefix . 'context con WHERE contextid = con.id)
</pre><p>Any remaining categories that contain questions will require more thought. ' .
'People in the <a href="http://moodle.org/mod/forum/view.php?f=121">Quiz forum</a> may be able to help.</p>';
}