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\$1BIGINT function
IS\$1BIGINT

Checks whether a value is a `BIGINT`. The IS\$1BIGINT function returns `true` for numbers of scale 0 in the 64-bit range. Otherwise, the function returns `false` for all other values, including null and floating point numbers.

The IS\$1BIGINT function is a superset of IS\$1INTEGER.

## Syntax
Syntax

```
IS_BIGINT(super_expression)
```

## Arguments
Arguments

*super\$1expression*  
A `SUPER` expression or column.

## Return type


`BOOLEAN`

## Examples
Examples

To check if `5` is a `BIGINT` using the IS\$1BIGINT function, use the following example.

```
CREATE TABLE t(s SUPER);

INSERT INTO t VALUES (5);

SELECT s, IS_BIGINT(s) FROM t;

+---+-----------+
| s | is_bigint |
+---+-----------+
| 5 | true      |
+---+-----------+
```