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 .

INTERVAL_CMP function

INTERVAL_CMP compares two intervals and returns 1 if the first interval is greater, -1 if the second interval is greater, and 0 if the intervals are equal. For more information, see Examples of interval literals without qualifier syntax.

Syntax

INTERVAL_CMP(interval1, interval2)

Arguments

Return type

INTEGER

Examples

The following example compares the value of 3 days to 1 year.

select interval_cmp('3 days','1 year');

interval_cmp
--------------
-1

This example compares the value 7 days to 1 week.

select interval_cmp('7 days','1 week');

interval_cmp
--------------
0

The following example compares the value of 1 year to 3 days.

select interval_cmp('1 year','3 days');

interval_cmp
--------------
1