IS_DECIMAL function - Amazon Redshift

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 .

IS_DECIMAL function

Checks whether a value is a DECIMAL. The IS_DECIMAL function returns true for numbers that are not floating points. The function returns false for any other values, including null.

The IS_DECIMAL function is a superset of IS_BIGINT.

Syntax

IS_DECIMAL(super_expression)

Arguments

super_expression

A SUPER expression or column.

Return type

BOOLEAN

Examples

To check if 1.22 is a DECIMAL using the IS_DECIMAL function, use the following example.

CREATE TABLE t(s SUPER); INSERT INTO t VALUES (1.22); SELECT s, IS_DECIMAL(s) FROM t; +------+------------+ | s | is_decimal | +------+------------+ | 1.22 | true | +------+------------+