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MDL-64782 core_backup: Performance improvement

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This commit is contained in:
Shamim Rezaie 2019-02-26 13:07:08 +11:00
parent fd6096c449
commit 7a2e7b29a0
1 changed files with 5 additions and 19 deletions
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24
backup/util/ui/classes/privacy/provider.php
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@ -142,18 +142,11 @@ class provider implements
$context = $userlist->get_context();
if ($context instanceof \context_course) {
$params = [
'contextcourse' => CONTEXT_COURSE,
'contextid' => $context->id,
];
$params = ['courseid' => $context->instanceid];
$sql = "SELECT bc.userid
FROM {backup_controllers} bc
JOIN {context} ctx
ON ctx.instanceid = bc.itemid
AND ctx.contextlevel = :contextcourse
WHERE ctx.id = :contextid
WHERE bc.itemid = :courseid
AND bc.type = :typecourse";
$courseparams = ['typecourse' => 'course'] + $params;
@ -164,10 +157,7 @@ class provider implements
FROM {backup_controllers} bc
JOIN {course_sections} c
ON bc.itemid = c.id
JOIN {context} ctx
ON ctx.instanceid = c.course
AND ctx.contextlevel = :contextcourse
WHERE ctx.id = :contextid
WHERE c.course = :courseid
AND bc.type = :typesection";
$sectionparams = ['typesection' => 'section'] + $params;
@ -177,17 +167,13 @@ class provider implements
if ($context instanceof \context_module) {
$params = [
'contextmodule' => CONTEXT_MODULE,
'contextid' => $context->id,
'cmid' => $context->instanceid,
'typeactivity' => 'activity'
];
$sql = "SELECT bc.userid
FROM {backup_controllers} bc
JOIN {context} ctx
ON ctx.instanceid = bc.itemid
AND ctx.contextlevel = :contextmodule
WHERE ctx.id = :contextid
WHERE bc.itemid = :cmid
AND bc.type = :typeactivity";
$userlist->add_from_sql('userid', $sql, $params);