Question

我有以下查询来检索自定义Moodle插件中的学术顾问。

学术顾问角色的配置如下所示：https://docs.moodle.org/en/Parent_role

我已经在 Ad hoc数据库查询（以及MySQL Workbench）中运行它，并且它在这两个方面都运行良好，但由于某些奇怪的原因它在我的插件中不起作用

function addRecord() { var add= document.getElementById("add"); var addArray= []; addArray.push(add.value); }：

    let scanPoints = [2.0,0.0,2.0,0.0,2.0,0.0,0.0]
    let postPoints = [4.0,2.0,0.0,0.0,1.0,0.0,0.0]
    var combinedArray = [Double]()
    for i in 0..<scanPoints.count {
        let newValue = scanPoints[i] + postPoints[i]
        combinedArray.append(newValue)
    }

在我的db_update.php页面中，该页面包含在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)); }（调用attendance_form.php）中：

attendance.php

Answer 1

该函数采用参数'userid'，但在查询中它尝试将其与'user.username'匹配。

所以，你需要把：

$userid = $USER->username;

如果您希望它以您的形式运作。

另外，请删除＆amp;来自$ mform =＆amp; $ this-＆gt; _form - Moodle很久以前就停止支持PHP 4了！

Answer 2

所以正确的代码是（感谢@davosmith）：

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.id = ?';

    return $DB->get_records_sql($sql, array($userid));
}

为什么我的Moodle查询工作在＆＃34; Ad hoc数据库查询＆＃34;但不是在我的插件？

2 个答案: