June 2015
Intermediate to advanced
192 pages
4h 8m
English
Content preview from The JavaScript JSON CookbookBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Searching for a document in MongoDB with Node.js
Being able to insert documents wouldn't do you much good if you didn't have a way to search for documents. MongoDB lets you specify a template on which to match, and returns objects matching that template.
As with insertions and updates, you'll work with a collection of documents, invoking the collection's find method.
How to do it...
Here's an example that finds all documents in the test collection with a call of kf6gpe-7 and prints them to the console:
var mongo = require('mongodb').MongoClient; var url = 'mongodb://localhost:27017/test'; mongo.connect(url, function(error, db) { console.log("mongo.connect returned " + error); var cursor = collection.find({call: 'kf6gpe-7'}); cursor.toArray(function(error, ...Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.