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MDL-63785 block_html : performance improvement

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This commit is contained in:
Shamim Rezaie 2018-10-27 01:34:48 +11:00
parent e68a25f395
commit d4269920de
1 changed files with 13 additions and 10 deletions
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23
blocks/html/classes/privacy/provider.php
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@ -98,22 +98,25 @@ class provider implements
* @param userlist $userlist The userlist containing the list of users who have data in this context/plugin combination.
*/
public static function get_users_in_context(userlist $userlist) {
// This block doesn't know who information is stored against unless it
// is at the user context.
$context = $userlist->get_context();
if (!is_a($context, \context_block::class)) {
if (!$context instanceof \context_block) {
return;
}
$params = [
'contextid' => $context->id,
'contextuser' => CONTEXT_USER,
];
$sql = "SELECT bpc.instanceid AS userid
FROM {context} c
JOIN {block_instances} bi ON bi.id = c.instanceid AND bi.blockname = 'html'
JOIN {context} bpc ON bpc.id = bi.parentcontextid AND bpc.contextlevel = :contextuser
WHERE c.id = :contextid";
FROM {block_instances} bi
JOIN {context} bpc ON bpc.id = bi.parentcontextid
WHERE bi.blockname = 'html'
AND bpc.contextlevel = :contextuser
AND bi.id = :blockinstanceid";
$params = [
'contextuser' => CONTEXT_USER,
'blockinstanceid' => $context->instanceid
];
$userlist->add_from_sql('userid', $sql, $params);
}