Python pymysql返回错误SQL语法

Python pymysql返回错误SQL语法,python,pymysql,Python,Pymysql,在py3上,我使用pymysql模块连接到MySQL 我将函数写入Database()类,如下所示,其中MySQLi在构造函数上运行: def add_user_to_database(self, id, first_name, last_name, username, lang_code): with self.MySQLi.cursor() as cursor: cursor.execute('INSERT INTO users (id, first_name, la

在py3上,我使用pymysql模块连接到MySQL

我将函数写入Database()类,如下所示,其中MySQLi在构造函数上运行:

def add_user_to_database(self, id, first_name, last_name, username, lang_code):
    with self.MySQLi.cursor() as cursor:
        cursor.execute('INSERT INTO users (id, first_name, last_name, username, language_code) VALUES ({0}, {1}, {2}, {3}, {4})'.format(id, first_name, last_name, username, lang_code))
    connection.commit()
运行py database.php后,它会显示以下错误:(:


使用字符串插值生成查询时,可能会出现转义/转义问题,但使用参数化查询很容易:

sql = "INSERT INTO `users` (`id`, `first_name`) VALUES (%s, %s)"
cursor.execute(sql, (id, first_name)

不要使用字符串插值来构建SQL。那么使用什么呢?@DanielRoseman
sql = "INSERT INTO `users` (`id`, `first_name`) VALUES (%s, %s)"
cursor.execute(sql, (id, first_name)