Re: char column with a single space as the default not working
От | M Sarwar |
---|---|
Тема | Re: char column with a single space as the default not working |
Дата | |
Msg-id | DM4PR19MB597873E9E96C6B64C4ADEE4CD382A@DM4PR19MB5978.namprd19.prod.outlook.com обсуждение исходный текст |
Ответ на | Re: char column with a single space as the default not working (Tom Lane <tgl@sss.pgh.pa.us>) |
Список | pgsql-admin |
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@sss.pgh.pa.us>
Sent: Thursday, November 30, 2023 5:34 PM
To: Ron Johnson <ronljohnsonjr@gmail.com>
Cc: Pgsql-admin <pgsql-admin@lists.postgresql.org>
Subject: Re: char column with a single space as the default not working
Sent: Thursday, November 30, 2023 5:34 PM
To: Ron Johnson <ronljohnsonjr@gmail.com>
Cc: Pgsql-admin <pgsql-admin@lists.postgresql.org>
Subject: Re: char column with a single space as the default not working
Ron Johnson <ronljohnsonjr@gmail.com> writes:
> On Thu, Nov 30, 2023 at 2:56 PM Tom Lane <tgl@sss.pgh.pa.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
> On Thu, Nov 30, 2023 at 2:56 PM Tom Lane <tgl@sss.pgh.pa.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
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