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MDL-64652 glossary: Break LEFT JOINs to multiple INNER

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Andrew Nicols 2019-01-28 10:31:37 +08:00
parent 3ffbde1214
commit ab20d2606d
1 changed files with 40 additions and 11 deletions
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51
mod/glossary/classes/privacy/provider.php
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@ -80,26 +80,55 @@ class provider implements
* @return contextlist the list of contexts containing user info for the user.
*/
public static function get_contexts_for_userid(int $userid) : contextlist {
$ratingquery = \core_rating\privacy\provider::get_sql_join('r', 'mod_glossary', 'entry', 'ge.id', $userid);
$contextlist = new contextlist();
// Glossary entries.
$sql = "SELECT c.id
FROM {context} c
INNER JOIN {course_modules} cm ON cm.id = c.instanceid AND c.contextlevel = :contextlevel
INNER JOIN {modules} m ON m.id = cm.module AND m.name = :modname
INNER JOIN {glossary} g ON g.id = cm.instance
INNER JOIN {glossary_entries} ge ON ge.glossaryid = g.id
LEFT JOIN {comments} com ON com.commentarea =:commentarea AND com.itemid = ge.id
{$ratingquery->join}
WHERE ge.userid = :glossaryentryuserid OR com.userid = :commentuserid OR {$ratingquery->userwhere}";
JOIN {course_modules} cm ON cm.id = c.instanceid AND c.contextlevel = :contextlevel
JOIN {modules} m ON m.id = cm.module AND m.name = :modname
JOIN {glossary} g ON g.id = cm.instance
JOIN {glossary_entries} ge ON ge.glossaryid = g.id
WHERE ge.userid = :glossaryentryuserid";
$params = [
'contextlevel' => CONTEXT_MODULE,
'modname' => 'glossary',
'commentarea' => 'glossary_entry',
'glossaryentryuserid' => $userid,
'commentuserid' => $userid,
] + $ratingquery->params;
];
$contextlist->add_from_sql($sql, $params);
$contextlist = new contextlist();
// Where the user has rated something.
$ratingquery = \core_rating\privacy\provider::get_sql_join('r', 'mod_glossary', 'entry', 'ge.id', $userid, true);
$sql = "SELECT c.id
FROM {context} c
JOIN {course_modules} cm ON cm.id = c.instanceid AND c.contextlevel = :contextlevel
JOIN {modules} m ON m.id = cm.module AND m.name = :modname
JOIN {glossary} g ON g.id = cm.instance
JOIN {glossary_entries} ge ON ge.glossaryid = g.id
{$ratingquery->join}
WHERE {$ratingquery->userwhere}";
$params = [
'contextlevel' => CONTEXT_MODULE,
'modname' => 'glossary',
] + $ratingquery->params;
$contextlist->add_from_sql($sql, $params);
// Comments.
$sql = "SELECT c.id
FROM {context} c
JOIN {course_modules} cm ON cm.id = c.instanceid AND c.contextlevel = :contextlevel
JOIN {modules} m ON m.id = cm.module AND m.name = :modname
JOIN {glossary} g ON g.id = cm.instance
JOIN {glossary_entries} ge ON ge.glossaryid = g.id
JOIN {comments} com ON com.commentarea =:commentarea AND com.itemid = ge.id
WHERE com.userid = :commentuserid";
$params = [
'contextlevel' => CONTEXT_MODULE,
'modname' => 'glossary',
'commentarea' => 'glossary_entry',
'commentuserid' => $userid,
];
$contextlist->add_from_sql($sql, $params);
return $contextlist;