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# Compare latest version with draft

GET http://localhost:5173/api/v1/private/datasets/{id}/versions/diff

Compare the latest committed dataset version with the current draft state. This endpoint provides insights into changes made since the last version was committed. The comparison calculates additions, modifications, deletions, and unchanged items between the latest version snapshot and current draft.

Reference: https://www.comet.com/docs/opik/reference/rest-api/datasets/compare-dataset-versions

## Servers

- `http://localhost:5173/api` (Local server, default)
- `https://www.comet.com/opik/api` (Opik Cloud)

## Request

### Path parameters

- `id` (string, required)

## Response

### 200

Diff computed successfully

- `from_version` (string, optional)
- `to_version` (string, optional)
- `statistics` (DatasetVersionDiffStats, optional)

## Errors

### 404 Not Found Error

Version not found

- `any`

## Types

### DatasetVersionDiffStats

- `itemsAdded` (integer, optional)
- `itemsModified` (integer, optional)
- `itemsDeleted` (integer, optional)
- `itemsUnchanged` (integer, optional)

## Examples

**Response**

```json
{
  "from_version": "string",
  "to_version": "string",
  "statistics": {
    "itemsAdded": 1,
    "itemsModified": 1,
    "itemsDeleted": 1,
    "itemsUnchanged": 1
  }
}
```

**SDK Code**

```python
import requests

url = "http://localhost:5173/api/v1/private/datasets/id/versions/diff"

response = requests.get(url)

print(response.json())
```

```javascript
const url = 'http://localhost:5173/api/v1/private/datasets/id/versions/diff';
const options = {method: 'GET'};

try {
  const response = await fetch(url, options);
  const data = await response.json();
  console.log(data);
} catch (error) {
  console.error(error);
}
```

```go
package main

import (
	"fmt"
	"net/http"
	"io"
)

func main() {

	url := "http://localhost:5173/api/v1/private/datasets/id/versions/diff"

	req, _ := http.NewRequest("GET", url, nil)

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(res)
	fmt.Println(string(body))

}
```

```ruby
require 'uri'
require 'net/http'

url = URI("http://localhost:5173/api/v1/private/datasets/id/versions/diff")

http = Net::HTTP.new(url.host, url.port)

request = Net::HTTP::Get.new(url)

response = http.request(request)
puts response.read_body
```

```java
import com.mashape.unirest.http.HttpResponse;
import com.mashape.unirest.http.Unirest;

HttpResponse<String> response = Unirest.get("http://localhost:5173/api/v1/private/datasets/id/versions/diff")
  .asString();
```

```php
<?php
require_once('vendor/autoload.php');

$client = new \GuzzleHttp\Client();

$response = $client->request('GET', 'http://localhost:5173/api/v1/private/datasets/id/versions/diff');

echo $response->getBody();
```

```csharp
using RestSharp;

var client = new RestClient("http://localhost:5173/api/v1/private/datasets/id/versions/diff");
var request = new RestRequest(Method.GET);
IRestResponse response = client.Execute(request);
```

```swift
import Foundation

let request = NSMutableURLRequest(url: NSURL(string: "http://localhost:5173/api/v1/private/datasets/id/versions/diff")! as URL,
                                        cachePolicy: .useProtocolCachePolicy,
                                    timeoutInterval: 10.0)
request.httpMethod = "GET"

let session = URLSession.shared
let dataTask = session.dataTask(with: request as URLRequest, completionHandler: { (data, response, error) -> Void in
  if (error != nil) {
    print(error as Any)
  } else {
    let httpResponse = response as? HTTPURLResponse
    print(httpResponse)
  }
})

dataTask.resume()
```