Services or capabilities described in AWS documentation might vary by Region. To see the differences applicable to the AWS European Sovereign Cloud Region, see the AWS European Sovereign Cloud User Guide.$bitXor
New from version 8.0.1.
The $bitXor operator in Amazon DocumentDB performs a bitwise XOR operation on integer or long values.
Parameters
Example (MongoDB Shell)
The following example demonstrates how to use the $bitXor operator to perform bitwise XOR on two fields.
Create sample documents
db.flags.insertMany([
{_id: 1, a: 13, b: 10},
{_id: 2, a: 7, b: 5},
{_id: 3, a: 15, b: 9}
]);
Query example
db.flags.aggregate([
{ $project: { result: { $bitXor: ["$a", "$b"] } } }
]);
Output
[
{_id: 1, result: 7},
{_id: 2, result: 2},
{_id: 3, result: 6}
]
In binary: 13 (1101) XOR 10 (1010) = 7 (0111); 7 (0111) XOR 5 (0101) = 2 (0010); 15 (1111) XOR 9 (1001) = 6 (0110).
Code examples
To view a code example for using the $bitXor operator, choose the tab for the language that you want to use:
- Node.js
-
const { MongoClient } = require('mongodb');
async function example() {
const client = new MongoClient('mongodb://<username>:<password>@<cluster-endpoint>:27017/?tls=true&tlsCAFile=global-bundle.pem&replicaSet=rs0&readPreference=secondaryPreferred&retryWrites=false');
try {
await client.connect();
const db = client.db('test');
const collection = db.collection('flags');
const result = await collection.aggregate([
{ $project: { result: { $bitXor: ["$a", "$b"] } } }
]).toArray();
console.log(result);
} finally {
await client.close();
}
}
example();
- Python
-
from pymongo import MongoClient
def example():
client = MongoClient('mongodb://<username>:<password>@<cluster-endpoint>:27017/?tls=true&tlsCAFile=global-bundle.pem&replicaSet=rs0&readPreference=secondaryPreferred&retryWrites=false')
try:
db = client['test']
collection = db['flags']
result = list(collection.aggregate([
{'$project': {'result': {'$bitXor': ['$a', '$b']}}}
]))
print(result)
finally:
client.close()
example()