$select = 'SELECT u.id, u.username, u.firstname, u.lastname, u.email, u.city, u.country,
u.picture, u.lang, u.timezone, u.emailstop, u.maildisplay, ul.timeaccess AS lastaccess '; // s.lastaccess
//$select .= $course->enrolperiod?', s.timeend ':'';
- $from = "FROM {$CFG->prefix}user u,
- {$CFG->prefix}role_assignments r,
- {$CFG->prefix}user_lastaccess ul ";
- $where = "WHERE
- r.userid = u.id
- AND u.id = ul.userid
- AND (r.contextid = $context->id OR r.contextid in $listofcontexts)
+ $from = "FROM {$CFG->prefix}user u INNER JOIN
+ {$CFG->prefix}role_assignments r on u.id=r.userid LEFT JOIN
+ {$CFG->prefix}user_lastaccess ul on u.id=ul.userid ";
+ $where = "WHERE (r.contextid = $context->id OR r.contextid in $listofcontexts)
AND u.deleted = 0
AND r.roleid = $roleid
AND ul.courseid = $course->id ";