| From: | Amit Kapila <amit(dot)kapila16(at)gmail(dot)com> |
|---|---|
| To: | "Kumar, Sachin" <ssetiya(at)amazon(dot)com> |
| Cc: | Peter Smith <smithpb2250(at)gmail(dot)com>, "pgsql-hackers(at)lists(dot)postgresql(dot)org" <pgsql-hackers(at)lists(dot)postgresql(dot)org> |
| Subject: | Re: Initial Schema Sync for Logical Replication |
| Date: | 2023-03-20 04:21:38 |
| Message-ID: | CAA4eK1LYqZQWdGo+i1qUvyrz0FMcrgTQn6PMhLg7pSVhqW71sQ@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Thu, Mar 16, 2023 at 10:27 PM Kumar, Sachin <ssetiya(at)amazon(dot)com> wrote:
>
> > Hi,
> >
> > I have a couple of questions.
> >
> > Q1.
> >
> > What happens if the subscriber already has some tables present? For
> > example, I did not see the post saying anything like "Only if the table does
> > not already exist then it will be created".
> >
> My assumption was the if subscriber is doing initial schema sync , It does not have
> any conflicting database objects.
>
Can't we simply error out in such a case with "obj already exists"?
This would be similar to how we deal with conflicting rows with
unique/primary keys.
--
With Regards,
Amit Kapila.
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