How to select rows[0] while inserting in node-mysql? - mysql

Question

I'm fairly new to nodejs and callbacks. Here is my problem, using passportJS's LocalStrategy and node-mysql :
exports.register = new LocalStrategy(strategyOptionsRegister, function(req, username, password, done) {
//get data from the request
var data = {
username: username,
email: req.body.email,
password: password
};
console.log('data : ', data);
//Hash passwords
bcrypt.genSalt(10, function(err, salt) {
if (err) return next(err);
bcrypt.hash(password, salt, null, function(err, hash) {
// Store hash in your password DB.
if (err) return next(err);
data.password = hash;
//insertion
connection.query('INSERT INTO USERS SET ?', data, function(err, rows) {
if (err) {
console.log(err);
return next("Mysql error, check your query");
}
return done(null, rows[0]);
});
});
});
});
I'm trying to return rows[0] containing all the data, but i don't know how should i implement the SELECT command ? Is it before or after the callback for the insertion ? For the moment, rows[0] is naturally undefined.

Answer 1

what about using async.waterfall?
I solve similar problem.
insert query
get auto_incremnet number from rows[0]
select query
website of async here
https://github.com/caolan/async#waterfall
Also, as bcrypt is asyncronous,
data,password = hash
this code doesn't work properly.
I want to execute same type of code for yours but I can't.
So, I use bcrypt in Sync and pass the hash to query.

Answer 2

Here is my solution :
exports.register = new LocalStrategy(strategyOptionsRegister, function(req, username, password, done) {
//get data from the request
var data = {
username: username,
email: req.body.email,
password: password
};
//Hash passwords
bcrypt.genSalt(10, function(err, salt) {
if (err) {
return done(err);
}
// Store hash in your password DB.
bcrypt.hash(password, salt, null, function(err, hash) {
if (err) {
return done(err);
}
data.password = hash;
//insertion
connection.query('INSERT INTO USERS SET ?', data, function(err, rows) {
if (err) {
return done(null, false, {
message: 'Mysql error, check your query !'
});
}
// to return all the info in rows[0]
connection.query('SELECT * FROM USERS WHERE email = ?', data.email, function(err, rows) {
if (err) {
return done(null, false, {
message: 'Email not found !'
});
}
return done(null, rows[0]);
});
});
});
});
});