SIZE - 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 .

SIZE

Returns the binary in-memory size of a SUPER type constant or expression as an INTEGER.

Syntax

SIZE(super_expression)

Arguments

super_expression

A SUPER type constant or expression.

Return type

INTEGER

Examples

To use SIZE to get the in-memory size of several SUPER type expressions, use the following example.

CREATE TABLE test_super_size(a SUPER); INSERT INTO test_super_size VALUES (null), (TRUE), (JSON_PARSE('[0,1,2,3]')), (JSON_PARSE('{"a":0,"b":1,"c":2,"d":3}')) ; SELECT a, SIZE(a) FROM test_super_size ORDER BY 2, 1; +---------------------------+------+ | a | size | +---------------------------+------+ | true | 4 | | NULL | 4 | | [0,1,2,3] | 23 | | {"a":0,"b":1,"c":2,"d":3} | 52 | +---------------------------+------+