MongoDB Cookbook - Second Edition

Implementing server-side scripts

In this recipe, we will see how to write server stored JavaScript similar to stored procedures in relational databases. This is a common use case where other pieces of code require access to these common functions and we have them in one central place. To demonstrate server-side scripts, the function will simply add two numbers.

There are two parts to this recipe. First, we see how to load the scripts from the collections on the client-side JavaScript shell and secondly, we will see how to execute these functions on the server.

Note

The documentation specifically mentions that it is not recommended to use server-side scripts. Security is one concern though if the data is not properly audited and hence we need to be ...