$sql = "SELECT userid, primaryrole FROM (
SELECT active_course_users.userid,
- (SELECT roleid FROM mdl_role_assignments outer_r_a INNER JOIN mdl_role outer_r ON outer_r_a.roleid=outer_r.id
- INNER JOIN mdl_context c ON outer_r_a.contextid = c.id
+ (SELECT roleid FROM {$CFG->prefix}role_assignments outer_r_a INNER JOIN {$CFG->prefix}role outer_r ON outer_r_a.roleid=outer_r.id
+ INNER JOIN {$CFG->prefix}context c ON outer_r_a.contextid = c.id
WHERE c.instanceid=".$course->id." AND c.contextlevel = ".CONTEXT_COURSE." AND outer_r_a.userid=active_course_users.userid
- AND NOT EXISTS (SELECT 1 FROM mdl_role_assignments inner_r_a
- INNER JOIN mdl_role inner_r ON inner_r_a.roleid = inner_r.id
+ AND NOT EXISTS (SELECT 1 FROM {$CFG->prefix}role_assignments inner_r_a
+ INNER JOIN {$CFG->prefix}role inner_r ON inner_r_a.roleid = inner_r.id
WHERE inner_r.sortorder < outer_r.sortorder
AND inner_r_a.userid = outer_r_a.userid
AND inner_r_a.contextid = outer_r_a.contextid
)
) AS primaryrole
- FROM (SELECT DISTINCT userid FROM mdl_log l WHERE course=".$course->id." AND ".$timesql." )
+ FROM (SELECT DISTINCT userid FROM {$CFG->prefix}log l WHERE course=".$course->id." AND ".$timesql." )
active_course_users
) foo WHERE primaryrole IS NOT NULL";
if (!$users = get_records_sql($sql)) {