Amazon Redshift will no longer support the creation of new Python UDFs starting Patch 198. Existing Python UDFs will continue to function until June 30, 2026. For more information, see the [ blog post ](https://amazonaws-china.com/blogs/big-data/amazon-redshift-python-user-defined-functions-will-reach-end-of-support-after-june-30-2026/). 

# IS\_INTEGER function
<a name="r_is_integer"></a>

Returns `true` for numbers of scale 0 in the 32-bit range, and `false` for anything else (including null and floating point numbers).

The IS\_INTEGER function is a superset of the IS\_SMALLINT function.

## Syntax
<a name="r_is_integer-synopsis"></a>

```
IS_INTEGER(super_expression)
```

## Arguments
<a name="r_is_integer-arguments"></a>

*super\_expression*  
A `SUPER` expression or column.

## Return type
<a name="r_is_integer-returns"></a>

`BOOLEAN`

## Examples
<a name="r_is_integer_example"></a>

To check if `5` is an `INTEGER` using the IS\_INTEGER function, use the following example.

```
CREATE TABLE t(s SUPER);

INSERT INTO t VALUES (5);

SELECT s, IS_INTEGER(s) FROM t;

+---+------------+
| s | is_integer |
+---+------------+
| 5 | true       |
+---+------------+
```