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Merge branch 'MDL-37431_23' of git://github.com/timhunt/moodle into M…

…OODLE_23_STABLE
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2 parents 1ed7c77 + 3daceb9 commit 8784a3b2a2d1b638087b0f50b43ac13bb5915141 @stronk7 stronk7 committed Jan 14, 2013
Showing with 8 additions and 6 deletions.
  1. +8 −6 question/previewlib.php
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@@ -341,14 +341,16 @@ function question_preview_cron() {
'quba.component = :qubacomponent
AND NOT EXISTS (
SELECT 1
- FROM {question_attempts} qa
- JOIN {question_attempt_steps} qas ON qas.questionattemptid = qa.id
- WHERE qa.questionusageid = quba.id
- AND (qa.timemodified > :qamodifiedcutoff
- OR qas.timecreated > :stepcreatedcutoff)
+ FROM {question_attempts} subq_qa
+ JOIN {question_attempt_steps} subq_qas ON subq_qas.questionattemptid = subq_qa.id
+ JOIN {question_usages} subq_qu ON subq_qu.id = subq_qa.questionusageid
+ WHERE subq_qa.questionusageid = quba.id
+ AND subq_qu.component = :qubacomponent2
+ AND (subq_qa.timemodified > :qamodifiedcutoff
+ OR subq_qas.timecreated > :stepcreatedcutoff)
)
',
- array('qubacomponent' => 'core_question_preview',
+ array('qubacomponent' => 'core_question_preview', 'qubacomponent2' => 'core_question_preview',
'qamodifiedcutoff' => $lastmodifiedcutoff, 'stepcreatedcutoff' => $lastmodifiedcutoff));
question_engine::delete_questions_usage_by_activities($oldpreviews);

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