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fixing stats_get_course_users. my brain hurts

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mjollnir_ 2006-09-22 11:34:25 +00:00
parent 12490fc2b3
commit 0e3404aabd
1 changed files with 16 additions and 12 deletions
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28
lib/statslib.php
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@ -749,18 +749,22 @@ function stats_get_course_users($course,$timesql) {
global $CFG;
$timesql = str_replace('timeend','l.time',$timesql);
$sql = 'SELECT active_course_users.userid,
(SELECT roleid FROM '.$CFG->prefix.'role_assignments INNER JOIN '.$CFG->prefix.'role a_u_r ON roleid=a_u_r.id
INNER JOIN '.$CFG->prefix.'context c ON contextid = c.id
WHERE instanceid='.$course->id.' AND c.contextlevel = '.CONTEXT_COURSE.' AND userid=active_course_users.userid
AND NOT EXISTS (SELECT 1 FROM '.$CFG->prefix.'role_assignments o_r_a
INNER JOIN '.$CFG->prefix.'role o_r ON o_r_a.roleid = o_r.id
INNER JOIN '.$CFG->prefix.'context c on contextid = c.id
WHERE o_r.sortorder < a_u_r.sortorder AND c.instanceid = '.$course->id.'
AND c.contextlevel = '.CONTEXT_COURSE.' AND o_r_a.userid = active_course_users.userid
)
) AS primaryrole
FROM (SELECT DISTINCT userid FROM '.$CFG->prefix.'log l WHERE course='.$course->id.' AND '.$timesql.') active_course_users';
$sql = "SELECT userid, primaryrole FROM (
SELECT active_course_users.userid,
(SELECT roleid FROM mdl_role_assignments outer_r_a INNER JOIN mdl_role outer_r ON outer_r_a.roleid=outer_r.id
INNER JOIN mdl_context c ON outer_r_a.contextid = c.id
WHERE c.instanceid=".$course->id." AND c.contextlevel = ".CONTEXT_COURSE." AND outer_r_a.userid=active_course_users.userid
AND NOT EXISTS (SELECT 1 FROM mdl_role_assignments inner_r_a
INNER JOIN mdl_role inner_r ON inner_r_a.roleid = inner_r.id
WHERE inner_r.sortorder < outer_r.sortorder
AND inner_r_a.userid = outer_r_a.userid
AND inner_r_a.contextid = outer_r_a.contextid
)
) AS primaryrole
FROM (SELECT DISTINCT userid FROM mdl_log l WHERE course=".$course->id." AND ".$timesql." )
active_course_users
) foo WHERE primaryrole IS NOT NULL";
if (!$users = get_records_sql($sql)) {
$users = array();
}