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MDL-64782 core_completion: Performance improvement

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This commit is contained in:
Shamim Rezaie
2019-04-23 17:01:48 +10:00
parent 019004dcc7
commit a5f7de8777
1 changed files with 11 additions and 12 deletions
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completion/classes/privacy/provider.php
+11 -12
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@@ -110,28 +110,27 @@ class provider implements
* @param userlist $userlist The userlist to add to.
*/
public static function add_course_completion_users_to_userlist(userlist $userlist) {
$params = [
'contextid' => $userlist->get_context()->id,
'contextcourse' => CONTEXT_COURSE,
];
$context = $userlist->get_context();
if (!$context instanceof \context_course) {
return;
}
$params = ['courseid' => $context->instanceid];
$sql = "SELECT cmc.userid
FROM {context} ctx
JOIN {course} c ON ctx.instanceid = c.id
FROM {course} c
JOIN {course_completion_criteria} ccc ON ccc.course = c.id
JOIN {course_modules_completion} cmc ON cmc.coursemoduleid = ccc.moduleinstance
WHERE ctx.id = :contextid
AND ctx.contextlevel = :contextcourse";
WHERE c.id = :courseid";
$userlist->add_from_sql('userid', $sql, $params);
$sql = "SELECT ccc_compl.userid
FROM {context} ctx
JOIN {course} c ON ctx.instanceid = c.id
FROM {course} c
JOIN {course_completion_criteria} ccc ON ccc.course = c.id
JOIN {course_completion_crit_compl} ccc_compl ON ccc_compl.criteriaid = ccc.id
WHERE ctx.id = :contextid
AND ctx.contextlevel = :contextcourse";
WHERE c.id = :courseid";
$userlist->add_from_sql('userid', $sql, $params);
}