NodeJS development Tips & Tricks

database.promise.js

const doQuery = function(db, sql, parameters) {
    if (parameters === void(0)) {
        parameters = [];
    }
    return new Promise(function(resolve, reject) {
        db.driver.execQuery(sql, parameters, function(err, result) {
            resolve(result);
        });
    });
};

doQuery(db, 'SELECT * FROM users')
    .then(function (user) {
        return doQuery(db, 'SELECT * FROM parent')
    })
    .then(function (parent) {

    });