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AWS documentdb documentation change

Service: documentdb · 2026-03-28 · Documentation low

File: documentdb/latest/developerguide/in-aggregation.md

Summary

Entire documentation page for the $in aggregation operator was removed, including examples in MongoDB Shell, Node.js, and Python

Security assessment

This change removes documentation about the $in aggregation operator functionality. There is no evidence in the diff that this removal addresses a security vulnerability, weakness, or incident. The removed content appears to be standard operator documentation with code examples, and no security-related content is mentioned in the removed text. The change appears to be routine documentation maintenance or restructuring.

Diff

diff --git a/documentdb/latest/developerguide/in-aggregation.md b/documentdb/latest/developerguide/in-aggregation.md
index 949b6bd1d..8b1378917 100644
--- a//documentdb/latest/developerguide/in-aggregation.md
+++ b//documentdb/latest/developerguide/in-aggregation.md
@@ -1 +0,0 @@
-[](/pdfs/documentdb/latest/developerguide/developerguide.pdf#in-aggregation "Open PDF")
@@ -3,127 +1,0 @@
-[Documentation](/index.html)[Amazon DocumentDB](/documentdb/index.html)[Developer Guide](what-is.html)
-
-Example (MongoDB Shell)Code examples
-
-# $in
-
-The `$in` aggregation operator checks if a specified value exists within an array. It returns `true` if the value is found in the array, and `false` otherwise.
-
-**Parameters**
-
-  * `value`: The value to search for.
-
-  * `array`: The array to search within.
-
-
-
-
-## Example (MongoDB Shell)
-
-The following example demonstrates using the `$in` operator to check if a specific skill exists in each employee's skill set.
-
-**Create sample documents**
-    
-    
-    db.employees.insertMany([
-      { _id: 1, name: "Sarah", skills: ["Python", "JavaScript", "SQL"] },
-      { _id: 2, name: "Mike", skills: ["Java", "C++", "Go"] },
-      { _id: 3, name: "Emma", skills: ["Python", "Ruby", "Rust"] }
-    ]);
-
-**Query example**
-    
-    
-    db.employees.aggregate([
-      {
-        $project: {
-          name: 1,
-          hasPython: { $in: ["Python", "$skills"] }
-        }
-      }
-    ]);
-
-**Output**
-    
-    
-    [
-      { _id: 1, name: 'Sarah', hasPython: true },
-      { _id: 2, name: 'Mike', hasPython: false },
-      { _id: 3, name: 'Emma', hasPython: true }
-    ]
-
-## Code examples
-
-To view a code example for using the `$in` aggregation operator, choose the tab for the language that you want to use:
-
-Node.js
-    
-    
-    
-    const { MongoClient } = require('mongodb');
-    
-    async function example() {
-      const client = await MongoClient.connect('mongodb://<username>:<password>@<cluster-endpoint>:27017/?tls=true&tlsCAFile=global-bundle.pem&replicaSet=rs0&readPreference=secondaryPreferred&retryWrites=false');
-      const db = client.db('test');
-      const collection = db.collection('employees');
-    
-      const result = await collection.aggregate([
-        {
-          $project: {
-            name: 1,
-            hasPython: { $in: ["Python", "$skills"] }
-          }
-        }
-      ]).toArray();
-    
-      console.log(result);
-      await client.close();
-    }
-    
-    example();
-
-Python
-    
-    
-    
-    from pymongo import MongoClient
-    
-    def example():
-        client = MongoClient('mongodb://<username>:<password>@<cluster-endpoint>:27017/?tls=true&tlsCAFile=global-bundle.pem&replicaSet=rs0&readPreference=secondaryPreferred&retryWrites=false')
-        db = client['test']
-        collection = db['employees']
-    
-        result = list(collection.aggregate([
-            {
-                '$project': {
-                    'name': 1,
-                    'hasPython': { '$in': ['Python', '$skills'] }
-                }
-            }
-        ]))
-    
-        print(result)
-        client.close()
-    
-    example()
-
-![Warning](https://d1ge0kk1l5kms0.cloudfront.net/images/G/01/webservices/console/warning.png) **Javascript is disabled or is unavailable in your browser.**
-
-To use the Amazon Web Services Documentation, Javascript must be enabled. Please refer to your browser's Help pages for instructions.
-
-[Document Conventions](/general/latest/gr/docconventions.html)
-
-$ifNull
-
-$indexOfArray
-
-Did this page help you? - Yes
-
-Thanks for letting us know we're doing a good job!
-
-If you've got a moment, please tell us what we did right so we can do more of it.
-
-Did this page help you? - No
-
-Thanks for letting us know this page needs work. We're sorry we let you down.
-
-If you've got a moment, please tell us how we can make the documentation better.