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://aws.amazon.com/blogs/big-data/amazon-redshift-python-user-defined-functions-will-reach-end-of-support-after-june-30-2026/). 

# DECIMAL\$1PRECISION function
<a name="r_decimal_precision"></a>

Checks the precision of the maximum total number of decimal digits to be stored. This number includes both the left and right digits of the decimal point. The range of the precision is from 1 to 38, with a default of 38.

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

```
DECIMAL_PRECISION(super_expression)
```

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

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

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

`INTEGER`

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

To apply the DECIMAL\$1PRECISION function to the table t, use the following example.

```
CREATE TABLE t(s SUPER);

INSERT INTO t VALUES (3.14159);

SELECT DECIMAL_PRECISION(s) FROM t;

+-------------------+
| decimal_precision |
+-------------------+
|                 6 |
+-------------------+
```