Services or capabilities described in Amazon Web Services documentation might vary by Region. To see the differences applicable to the China Regions, see Getting Started with Amazon Web Services in China (PDF).

Amazon Redshift will no longer support the use of Python UDFs after June 30, 2026. We will start enforcing it in phases. For more information on the details of Python end of life and migration options, see the blog post that was published on June 30, 2025.

TIMESTAMPTZ_CMP_DATE function

TIMESTAMPTZ_CMP_DATE compares the value of a timestamp and a date. If the timestamp and date values are identical, the function returns 0. If the timestamp is greater chronologically, the function returns 1. If the date is greater, the function returns –1.

Syntax

TIMESTAMPTZ_CMP_DATE(timestamptz, date)

Arguments

Return type

INTEGER

Examples

The following example compares LISTTIME as a timestamp with time zone to the date 2008-06-18. Listings made after this date return 1; listings made before this date return -1.

select listid, CAST(listtime as timestamptz) as tstz,
timestamp_cmp_date(tstz, '2008-06-18')
from listing
order by 1, 2, 3
limit 10;


 listid |          tstz          | timestamptz_cmp_date
--------+------------------------+----------------------
      1 | 2008-01-24 06:43:29+00 |              -1
      2 | 2008-03-05 12:25:29+00 |              -1
      3 | 2008-11-01 07:35:33+00 |               1
      4 | 2008-05-24 01:18:37+00 |              -1
      5 | 2008-05-17 02:29:11+00 |              -1
      6 | 2008-08-15 02:08:13+00 |               1
      7 | 2008-11-15 09:38:15+00 |               1
      8 | 2008-11-09 05:07:30+00 |               1
      9 | 2008-09-09 08:03:36+00 |               1
     10 | 2008-06-17 09:44:54+00 |              -1
(10 rows)