Amazon Redshift will no longer support the use of Python UDFs after June 30, 2026. We will start enforcing it in phases. For more information on the details of Python end of life and migration options, see the [ blog post ](https://aws.amazon.com/blogs/big-data/amazon-redshift-python-user-defined-functions-will-reach-end-of-support-after-june-30-2026/) that was published on June 30, 2025. 

# ST\_IsEmpty
<a name="ST_IsEmpty-function"></a>

ST\_IsEmpty returns true if the input geometry is empty. A geometry is not empty if it contains at least one nonempty point. 

ST\_IsEmpty returns true if the input geometry has at least one nonempty point. 

## Syntax
<a name="ST_IsEmpty-function-syntax"></a>

```
ST_IsEmpty(geom)
```

## Arguments
<a name="ST_IsEmpty-function-arguments"></a>

 *geom*   
A value of data type `GEOMETRY` or an expression that evaluates to a `GEOMETRY` type. 

## Return type
<a name="ST_IsEmpty-function-return"></a>

`BOOLEAN`

If *geom* is null, then null is returned. 

## Examples
<a name="ST_IsEmpty-function-examples"></a>

The following SQL checks if the specified polygon is empty. 

```
SELECT ST_IsEmpty(ST_GeomFromText('POLYGON((0 2,1 1,0 -1,0 2))'));
```

```
st_isempty
-----------
 false
```