June 2014
Intermediate to advanced
696 pages
38h 52m
English
Content preview from Node.js, MongoDB, and AngularJS Web Development
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Sorting Result Sets
An important aspect of retrieving documents from a MongoDB database is the ability to get it in a sorted format. Sorting is especially helpful if you are only retrieving a certain number, such as the top 10, or if you are paging the requests. The options object provides the sort option, which allows you to specify the sort order and direction of one or more fields in a document.
You specify the sort option by using an array of [field,<sort_order>] pairs, where sort_order is 1 for ascending and -1 for descending. For example, to sort on the name field descending first and then on the value field ascending, you would use:
sort:[['name':1]['value':-1]]
Listing 15.6 shows how to use the sort option ...
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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.
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