Re: SQL - How to iterate with delay in a loop

Laurenz Albe <laurenz.albe@cybertec.at>

From: Laurenz Albe <laurenz.albe@cybertec.at>
To: "Subramanian,Ramachandran" <ramachandran.subramanian@alte-leipziger.de>, "pgsql-novice@lists.postgresql.org" <pgsql-novice@lists.postgresql.org>
Date: 2026-03-06T13:20:58Z
Lists: pgsql-novice
On Fri, 2026-03-06 at 12:07 +0000, Subramanian,Ramachandran wrote:
> I am trying to insert some rows into a table with a delay between each insert.
> I have a simple table with a ID column and some Date-Time columns.
>  
> The first two inserts work as expected and insert two rows, each one second apart.
>  
> However the do loop inserts 25 more rows, with the same timestamp.

Use clock_timestamp()::time instead of current_time.
current_time returns the same value for each call in the same
database transaction.  Think of it as "transaction start time".

Yours,
Laurenz Albe