> For the complete documentation index, see [llms.txt](https://docs.panther.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.panther.com/ko/pantherflow/operators/where.md).

# Where 연산자

## 개요

다음으로 데이터를 필터링 `where`.

```kusto
| where <boolean expression>
```

## 예시

{% hint style="info" %}
예제 데이터

```kusto
let aws_alb = datatable [
  {"type": "https", "p_event_time": time.now(), "clientIp": "192.168.11.34", "elbStatusCode": 200, "sentBytes": 329},
  {"type": "https", "p_event_time": time.now() - 1s, "clientIp": "192.168.1.1", "elbStatusCode": 403, "sentBytes": 167},
  {"type": "https", "p_event_time": time.now() - 10m, "clientIp": "10.168.22.7", "elbStatusCode": 404, "sentBytes": 167},
  {"type": "https", "p_event_time": time.now() - 2d, "clientIp": "10.168.22.1", "elbStatusCode": 200, "sentBytes": 321}
];
```

{% endhint %}

### 이전 날의 데이터를 필터링

조건에 따라 데이터를 필터링:

```kusto
aws_alb
| where p_event_time > time.ago(1d)
```

| 이벤트                                                                                                                                      |
| ---------------------------------------------------------------------------------------------------------------------------------------- |
| `{ "p_event_time": "2025-03-06 15:03:11.709000", "clientIp": "192.168.11.34", "elbStatusCode": 200, "sentBytes": 329, "type": "https" }` |
| `{ "p_event_time": "2025-03-06 15:03:10.709000", "clientIp": "192.168.1.1", "elbStatusCode": 403, "sentBytes": 167, "type": "https" }`   |
| `{ "p_event_time": "2025-03-06 14:53:11.709000", "clientIp": "10.168.22.7", "elbStatusCode": 404, "sentBytes": 167, "type": "https" }`   |

### 여러 조건으로 필터링

조건을 다음과 함께 결합 `그리고`, `또는` 그리고 `이 아니라`. 필요에 따라 식을 다음으로 그룹화 `()` 연산자 우선순위를 변경하려면:

```kusto
aws_alb
| where p_event_time > time.ago(1d) and (elbStatusCode == 200 or elbStatusCode == 404)
```

| 이벤트                                                                                                                                      |
| ---------------------------------------------------------------------------------------------------------------------------------------- |
| `{ "p_event_time": "2025-03-06 15:05:47.536000", "clientIp": "192.168.11.34", "elbStatusCode": 200, "sentBytes": 329, "type": "https" }` |
| `{ "p_event_time": "2025-03-06 14:55:47.536000", "clientIp": "10.168.22.7", "elbStatusCode": 404, "sentBytes": 167, "type": "https" }`   |


---

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