我需要一些帮助来确定SQL查询的语法,同时通过连接到Google云Mysql数据库的api.ai webhook &使用它们。 虽然查询工作,在 '请求被超时'如何从MySql数据库中获取结果并将它们发送回API.ai
'use strict';
const mysql = require('mysql');
exports.name = (req, res) => {
let action = req.body.result['action'];
if (action === 'apple') {
callDB().then((output) => {
res.setHeader('Content-Type', 'application/json');
res.send(JSON.stringify(output));
}).catch((error) => {
res.setHeader('Content-Type', 'application/json');
res.send(JSON.stringify(error));
});
}
};
function callDB() {
return new Promise((resolve, reject) => {
try {
var connection = mysql.createConnection({
host: "" ,
user: "" ,
password: "" ,
database: ""
});
connection.query("SELECT description AS solution FROM mtable WHERE title LIKE '%Breakfast%'", function (error, results, fields) {
if (!error) {
let response = "The result is: " + results[0].solution;
response = response.toString();
let output = {'speech': response, 'displayText': response};
console.log(output);
resolve(output);
} else {
let output = {'speech': 'Error. Query Failed.', 'displayText': 'Error. Query Failed4.'};
console.log(output);
reject(output);
}
});
connection.end();
} catch (err) {
let output = {'speech': 'try-catch block error', 'displayText': 'try-catch block error3'};
console.log(output);
reject(output);
}
}
);
}
如果我取代与此查询,它的工作原理:
'SELECT描述AS解决方案从mtable WHERE ID LIKE 1001'
ID是列名,只有id`s
标题列名和标题,如早餐包等
这是网络挂接JSON所示的错误的部分:
"metadata": {
"intentId": "" ,
"webhookUsed": "true",
"webhookForSlotFillingUsed": "false",
"webhookResponseTime": 5000,
"status": {
"code": 206,
"errorType": "partial_content",
"errorDetails": "Webhook call failed. Error: Request timeout.",
"webhookTimedOut": true
},
我引用的代码如下线程, How to get results from MySql DB using node.js MySQL and send them back to API.ai