[英]Why isn't my code to select the latest non null value for a column and fill in the nulls not working?
[英]Could you figure out why my code isn't working when it was working previously?
const mysql = require('mysql');
const connection = mysql.createConnection({
host: process.env.host1,
user: process.env.user,
password: process.env.password,
port: process.env.port1,
connectionLimit: 10,
multipleStatements: true,
connectionLimit: 1000,
connectTimeout: 60 * 60 * 1000,
acquireTimeout: 60 * 60 * 1000,
timeout: 60 * 60 * 1000,
debug: true
});
exports.handler = (event, context, callback) => {
context.callbackWaitsForEmptyEventLoop = false;
var post = event;
var query1= connection.query("SELECT * FROM ForexAssistant.users WHERE username=? OR email=?",[event.username,event.email],function(error, results){
if(results){
callback(null, 'Already Registered');
}
else{
var query2 = connection.query('INSERT INTO ForexAssistant.users SET ?', post, function (error, results) {
if (error) {
throw error
}
callback(null, 'Successfully Registered');
});
}
});
}
示例測試事件:
{
"username": "domi",
"password": "123456",
"email": "do@gmail.com"
}
問題發生在 AWS Lambda 上,運行時使用代碼(以上)使用 Node.js。當我的測試事件是我已經在 mysql 表中作為條目的東西時,它將提供回調 Already Registered 並且當我的測試事件是新的東西時不在 mysql 表中,我仍然得到回調 Already Registered when 相反它應該移動到 else 語句並執行它以獲得回調成功注冊。 以前這是正確的,我沒有修改代碼,因為它正在工作,當我昨晚檢查它時,我注意到了這個錯誤。
還檢查results
的長度
if (results && results.length !== 0) {
// ...
}
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