Re: BUG #18774: Not the required output of the query used in the function(delete_from_table1) in postgresql9.4

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.g.johnston@gmail.com> wrote:

> On Thursday, January 23, 2025, Rajni Bobal <rajnibobal@gmail.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 Please clarify about why $1 is not been replaced by 'colname' in delete_from_table2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.
>
>