我有以下查詢來檢索自定義Moodle插件中的學術顧問。爲什麼我的Moodle查詢在「Ad hoc數據庫查詢」中工作,但不在我的插件中?
這裏定義的學術顧問的角色配置:https://docs.moodle.org/en/Parent_role
我在特設數據庫運行查詢(和MySQL工作臺),並在這兩個的工作正常,但對於一些奇怪的因爲它在我的插件中不起作用。
在db_update.php
:
function get_academic_advisees($userid) {
global $DB;
$sql = 'SELECT child.username, child.firstname, child.lastname
FROM {user} user
JOIN {role_assignments} ra ON ra.userid = user.id
JOIN {role} role ON role.id = ra.roleid
JOIN {context} ctx ON ctx.id = ra.contextid
AND ctx.contextlevel = 30
JOIN {user} child ON child.id = ctx.instanceid
WHERE role.shortname = "academic_adviser"
and user.username = ?';
return $DB->get_records_sql($sql, array($userid));
}
在我attendance_form.php
頁,其中包括在attendance.php
(它調用db_update.php
):
require_once("{$CFG->libdir}/formslib.php");
class attendance_form extends moodleform {
function definition() {
$mform =& $this->_form;
$mform->addElement('html', '<h2>' . get_string('attendance', 'local_attendance') . '</h2>');
$mform->addElement('html', '<p>This report allows you to retrieve attendance data for your academic advisees.</p>');
//$mform->addElement('text', 'student_number', get_string('student_number', 'local_attendance'));
global $USER;
$userid = $USER->id;
$myAdvisees = array();
$adviseeArray = array();
$myAdvisees = get_academic_advisees($userid);
foreach($myAdvisees as $myAdvisee) {
$key = $myAdvisee->username;
$value = $myAdvisee->firstname . $myAdvisee->lastname . '(' . $myAdvisee->username . ')';
$adviseeArray[$key] = $value;
}
$mform->addElement('select', 'student_number', get_string('student_number', 'local_attendance'), $adviseeArray);
$this->add_action_buttons(true, get_string('save', 'local_attendance'));
}
}
非常感謝你 - 我是路過它$ USER-> ID,因此它應該是'和user.id =' –