| From: | Rajni Bobal <rajnibobal(at)gmail(dot)com> |
|---|---|
| To: | "David G(dot) Johnston" <david(dot)g(dot)johnston(at)gmail(dot)com> |
| Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Vik Fearing <vik(at)postgresfriends(dot)org>, "pgsql-bugs(at)lists(dot)postgresql(dot)org" <pgsql-bugs(at)lists(dot)postgresql(dot)org> |
| Subject: | Re: BUG #18774: Not the required output of the query used in the function(delete_from_table1) in postgresql9.4 |
| Date: | 2025-01-23 14:54:36 |
| Message-ID: | CA+UiKXbazbto=0b8bT--j7WWJm2vrQk+F0_7+XBx0Zxc0P=zJg@mail.gmail.com |
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| Lists: | pgsql-bugs |
Hello Sir,
Colname is variable here, it value should be replaced in param string ($1).
Thanks and regards.
On Thu, 23 Jan 2025 at 7:54 PM, David G. Johnston <
david(dot)g(dot)johnston(at)gmail(dot)com> wrote:
> On Thursday, January 23, 2025, Rajni Bobal <rajnibobal(at)gmail(dot)com> wrote:
>
>> Hello SIr,
>> Please clarify about why $1 is not been replaced by 'colname' in delete_from_table2
>> function.
>>
>
> It has been replace with the string literal value ‘colname’, not a column
> reference identifier “colname”. You cannot use positional parameters to
> supply identifiers. Structure must be known at parse time.
>
> David J.
>
>
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