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_ARRAY function

Checks whether a variable is an array. The function returns true if the variable is an array. The function also includes empty arrays. Otherwise, the function returns false for all other values, including null.

Syntax

IS_ARRAY(super_expression)

Arguments

Return type

BOOLEAN

Examples

To check if [1,2] is an array using the IS_ARRAY function, use the following example.

SELECT IS_ARRAY(JSON_PARSE('[1,2]'));

+----------+
| is_array |
+----------+
| true     |
+----------+