Add minutes to CURRENT_TIMESTAMP in PostgreSQL

Question

I have a procedure in PostgreSQL that I want to add the number of minutes to CURRENT_TIMESTAMP like below

timestamp_var := CURRENT_TIMESTAMP + interval '20 minutes';

But the number of minutes is a parameter.

Do we have the functions to do this?

Pls help me in this case

CREATE OR REPLACE FUNCTION modify_time(id users.id%TYPE, min integer) AS $$  BEGIN UPDATE         users     SET         modified_at = CURRENT_TIMESTAMP     WHERE         user_id = id; END $$ LANGUAGE plpgsql; 

I want to add min minutes to CURRENT_TIMESTAMP thanks

Answer 1

You can multiply intervals by integers. The following gives you a timestamp 20 minutes in the future:

select current_timestamp + (20 * interval '1 minute') 

Or, as murison mentions in another answer to this question, there is a more succinct way to express this:

select current_timestamp + (20 ||' minutes')::interval 

So, your code could look like:

CREATE OR REPLACE FUNCTION modify_time(id users.id%TYPE, min integer) AS $$  BEGIN UPDATE         users     SET         modified_at = CURRENT_TIMESTAMP + (min * interval '1 minute')     WHERE         user_id = id; END $$ LANGUAGE plpgsql; 

Answer 2

the other way is

select current_timestamp + (20 ||' minutes')::interval