Re: BUG #18203: Logical Replication initial sync failure

On Mon, Nov 20, 2023 at 2:53 PM vignesh C <vignesh21@gmail.com> wrote:
>
> >
> > Logical replication worker returns with the following error:
> > 2023-11-17 20:40:16.141 UTC [151084] ERROR:  could not start initial
> > contents copy for table "public.no_col": ERROR:  syntax error at or near
> > ")"
> >     LINE 1: COPY public.no_col () TO STDOUT
>
> Thanks for reporting this issue, I was able to reproduce the issue.
> This issue is happening because we are trying to specify the column
> list while the table sync worker is copying data for the table.
> I felt we should not specify the column list when the table has no columns.
> Attached patch has the changes to handle the same.
>

I think we can add a test for such cases which tests both initial sync
and regular replication on a table with no column.

--
With Regards,
Amit Kapila.