ClickHouse/docs/en/sql-reference/aggregate-functions/reference/anyheavy.md
Robert Schulze fa93952231
Docs: Reference external papers as DOIs
See also #31076 which noted that links were broken but didn't fix.
2022-09-28 12:21:58 +00:00

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---
slug: /en/sql-reference/aggregate-functions/reference/anyheavy
sidebar_position: 103
---
# anyHeavy
Selects a frequently occurring value using the [heavy hitters](https://doi.org/10.1145/762471.762473) algorithm. If there is a value that occurs more than in half the cases in each of the querys execution threads, this value is returned. Normally, the result is nondeterministic.
``` sql
anyHeavy(column)
```
**Arguments**
- `column` The column name.
**Example**
Take the [OnTime](../../../getting-started/example-datasets/ontime.md) data set and select any frequently occurring value in the `AirlineID` column.
``` sql
SELECT anyHeavy(AirlineID) AS res
FROM ontime
```
``` text
┌───res─┐
│ 19690 │
└───────┘
```