Re: char column with a single space as the default not working

I had the similar issue few months ago when I was using CHAR. The issue is resolved when I started using VARYING CHARACTERS data types.
Thanks,
Sarwar

________________________________
From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Sent: Thursday, November 30, 2023 5:34 PM
To: Ron Johnson <ronljohnsonjr(at)gmail(dot)com>
Cc: Pgsql-admin <pgsql-admin(at)lists(dot)postgresql(dot)org>
Subject: Re: char column with a single space as the default not working

Ron Johnson <ronljohnsonjr(at)gmail(dot)com> writes:
> On Thu, Nov 30, 2023 at 2:56 PM Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>> Yeah, the space is stored. What is probably surprising the OP
>> is that applying the || operator involves a coercion from "char"
>> to "text", which strips the defined-to-be-insignificant trailing
>> space(s) of the "char" value.

> How do you get a trailing space when trailing spaces are significant?

Use varchar or text. If you want trailing spaces to be significant,
char is simply the wrong data type.

regards, tom lane