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6 changes: 3 additions & 3 deletions classes/local/repository/questions_repository.php
Original file line number Diff line number Diff line change
Expand Up @@ -84,12 +84,12 @@ public static function count_questions_number_per_difficulty(array $tagidlist, a
JOIN {question} q ON q.id = ti.itemid
JOIN {question_versions} qv ON qv.questionid = q.id
JOIN (
SELECT questionbankentryid, MAX(version)
SELECT questionbankentryid, MAX(version) latestversion
FROM {question_versions}
WHERE status = ?
GROUP BY questionbankentryid
) questionlatestversion ON questionlatestversion.questionbankentryid = qv.questionbankentryid
JOIN {question_bank_entries} qbe ON qbe.id = questionlatestversion.questionbankentryid
) queslatver ON queslatver.questionbankentryid = qv.questionbankentryid AND qv.version = queslatver.latestversion
JOIN {question_bank_entries} qbe ON qbe.id = queslatver.questionbankentryid
WHERE ti.itemtype = ?
AND ti.tagid {$tagidlistsql}
AND qbe.questioncategoryid {$categoryidlistsql}
Expand Down