---
title: ES|QL CLAMP_MAX function
description: 
url: https://www.elastic.co/docs/reference/query-languages/esql/functions-operators/conditional-functions-and-expressions/clamp_max
products:
  - Elasticsearch
---

# ES|QL CLAMP_MAX function
<applies-to>
  - Elastic Stack: Preview since 9.3
</applies-to>


## Syntax

![Embedded](https://www.elastic.co/docs/reference/query-languages/esql/images/functions/clamp_max.svg)


## Parameters

<definitions>
  <definition term="field">
    field to clamp.
  </definition>
  <definition term="max">
    The max value to clamp data into.
  </definition>
</definitions>


## Description

Limits (or clamps) all input sample values to an upper bound of max. Any value above max is reduced to max.

## Supported types


| field         | max           | result        |
|---------------|---------------|---------------|
| boolean       | boolean       | boolean       |
| date          | date          | date          |
| double        | double        | double        |
| double        | integer       | double        |
| double        | long          | double        |
| double        | unsigned_long | double        |
| integer       | double        | double        |
| integer       | integer       | integer       |
| integer       | long          | long          |
| integer       | unsigned_long | unsigned_long |
| ip            | ip            | ip            |
| keyword       | keyword       | keyword       |
| long          | double        | double        |
| long          | integer       | long          |
| long          | long          | long          |
| long          | unsigned_long | unsigned_long |
| unsigned_long | double        | double        |
| unsigned_long | integer       | unsigned_long |
| unsigned_long | long          | long          |
| unsigned_long | unsigned_long | unsigned_long |
| version       | version       | version       |


## Example

```esql
TS k8s
| STATS full_clamped_cost=sum(clamp(network.cost, 1, 2)), clamped_cost=sum(clamp_max(network.cost, 1)), clamped_min_cost=sum(clamp_min(network.cost, 10)) BY time_bucket = bucket(@timestamp,1minute)
```


| full_clamped_cost:double | clamped_cost:double | clamped_min_cost:double | time_bucket:datetime     |
|--------------------------|---------------------|-------------------------|--------------------------|
| 18.0                     | 9.0                 | 94.875                  | 2024-05-10T00:09:00.000Z |
| 15.25                    | 8.0                 | 84.125                  | 2024-05-10T00:08:00.000Z |
| 15.0                     | 8.0                 | 83.5                    | 2024-05-10T00:15:00.000Z |
| 13.75                    | 7.0                 | 71.625                  | 2024-05-10T00:22:00.000Z |
| 13.125                   | 7.5                 | 90.5                    | 2024-05-10T00:18:00.000Z |