php - 尝试向 MySQL 插入数据时出错

Question

我正在使用以下方法向数据库中添加数据:

public function updatePayment($data) {
    $result = 0;
    $payment = new Payment();

    // Payment is 'before'
    if (isset($data['payday'])) {
        if ($data['payday'] == 'before') {
            $payment->setBefore(1);
            $payment->setAfter(0);
            $payment->setBeforeAfter(0);
            $result = 1;
        }
        elseif ($data['payday' == 'after']) {
            $payment->setBefore(0);
            $payment->setAfter(1);
            $payment->setBeforeAfter(0);
            $result = 1;
        }
        elseif ($data['payday'] == 'before_after') {
            $payment->setBefore(0);
            $payment->setAfter(0);
            $payment->setBeforeAfter(1);
            $result = 1;
        }
    }
    if ($result == 1) {
        $this->em->persist($payment);
        $this->em->flush();
    }
    return $result;
}

但是我得到以下错误:

An exception occurred while executing 'INSERT INTO payment (work_id, task_id, before, after, before_after, milestone, min, max, hourly_rate) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?)' with params [null, null, 1, 0, 0, null, null, null, null]:

SQLSTATE[42000]: Syntax error or access violation: 1064 You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'before, after, before_after, milestone, min, max, hourly_rate) VALUES (NULL, NUL' at line 1

这是我的表格的样子:

我只想将值添加到列 before、after 和 before_after。所以我不认为我也必须向其他列插入值，因为默认值应该是 NULL。

我做错了什么？

Answer 1

before 和 after 是 reserved words in MySQL .

您需要在查询中使用反引号对它们进行转义，例如:

INSERT INTO payment 
    (work_id, task_id, `before`, `after`, before_after, milestone, min, max, hourly_rate) 
    VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?)

所以在 symfony 中，是这样的:

<?php
/** @Column(name="`before`", type="integer") */
private $before;
/** @Column(name="`after`", type="integer") */
private $after;

更好的选择是简单地将列重命名为其他名称。