---
title: saturating_sub_pos() | Tiger Data Docs
description: Subtract one number from another, saturating at 0 for the minimum bound
---

Early access [1.8.0](https://github.com/timescale/timescaledb-toolkit/releases/tag/1.8.0)

The `saturating_sub_pos` function subtracts the second number from the first, saturating at 0 and 2,147,483,647 instead of overflowing.

## Arguments

The syntax is:

```
saturating_sub_pos(
  x INT,
  y INT
) RETURNS INT
```

| Name | Type | Default | Required | Description                         |
| ---- | ---- | ------- | -------- | ----------------------------------- |
| x    | INT  | -       | ✔        | An integer for `y` to subtract from |
| y    | INT  | -       | ✔        | An integer to subtract from `x`     |

## Returns

| Column               | Type | Description                                                  |
| -------------------- | ---- | ------------------------------------------------------------ |
| saturating\_sub\_pos | INT  | The result of `x - y`, saturating at 0 for the minimum bound |