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Prevent excess of unenolments by enrol_database_sync.php. MDL-8550 ; merged from 19_STABLE

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stronk7 2008-05-11 23:55:50 +00:00
parent 183a13c294
commit 5777b048a6
1 changed files with 6 additions and 6 deletions
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12
enrol/database/enrol.php
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@ -284,7 +284,7 @@ function sync_enrolments($role = null) {
rs_close($crs); // release the handle
//
// prune enrolments
// prune enrolments to users that are no longer in ext auth
// hopefully they'll fit in the max buffer size for the RDBMS
//
// TODO: This doesn't work perfectly. If we are operating without
@ -376,13 +376,13 @@ function sync_enrolments($role = null) {
$sql = "
SELECT ra.roleid, ra.userid, ra.contextid
FROM {$CFG->prefix}role_assignments ra
LEFT OUTER JOIN ({$CFG->prefix}context cn
JOIN {$CFG->prefix}course c ON cn.contextlevel = ".CONTEXT_COURSE." AND cn.instanceid = c.id)
ON ra.contextid = cn.id
WHERE ra.enrol = 'database'" .
JOIN {$CFG->prefix}context cn ON cn.id = ra.contextid
JOIN {$CFG->prefix}course c ON c.id = cn.instanceid
WHERE ra.enrol = 'database'
AND cn.contextlevel = ".CONTEXT_COURSE." " .
($have_role ? ' AND ra.roleid = '.$role->id : '') .
($extcourses
? " AND (c.id IS NULL OR c.{$CFG->enrol_localcoursefield} NOT IN (" . join(",", array_map(array(&$db, 'quote'), $extcourses)) . "))"
? " AND c.{$CFG->enrol_localcoursefield} NOT IN (" . join(",", array_map(array(&$db, 'quote'), $extcourses)) . ")"
: '');
$ers = $db->Execute($sql);