| From: | Amit Kapila <amit(dot)kapila16(at)gmail(dot)com> |
|---|---|
| To: | vignesh C <vignesh21(at)gmail(dot)com> |
| Cc: | "houzj(dot)fnst(at)fujitsu(dot)com" <houzj(dot)fnst(at)fujitsu(dot)com>, Ajin Cherian <itsajin(at)gmail(dot)com>, Euler Taveira <euler(at)eulerto(dot)com>, Greg Nancarrow <gregn4422(at)gmail(dot)com>, Peter Smith <smithpb2250(at)gmail(dot)com>, "tanghy(dot)fnst(at)fujitsu(dot)com" <tanghy(dot)fnst(at)fujitsu(dot)com>, Dilip Kumar <dilipbalaut(at)gmail(dot)com>, Rahila Syed <rahilasyed90(at)gmail(dot)com>, Peter Eisentraut <peter(dot)eisentraut(at)enterprisedb(dot)com>, Önder Kalacı <onderkalaci(at)gmail(dot)com>, japin <japinli(at)hotmail(dot)com>, Michael Paquier <michael(at)paquier(dot)xyz>, David Steele <david(at)pgmasters(dot)net>, Craig Ringer <craig(at)2ndquadrant(dot)com>, Amit Langote <amitlangote09(at)gmail(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org> |
| Subject: | Re: row filtering for logical replication |
| Date: | 2021-12-21 06:32:25 |
| Message-ID: | CAA4eK1KypT=h0vzO4rvr13=RFx+Tm=koOiQMzz8k2YTEjYnPAg@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Tue, Dec 21, 2021 at 10:53 AM vignesh C <vignesh21(at)gmail(dot)com> wrote:
>
> On Mon, Dec 20, 2021 at 8:41 AM houzj(dot)fnst(at)fujitsu(dot)com
> <houzj(dot)fnst(at)fujitsu(dot)com> wrote:
> >
> > On Fri, Dec 17, 2021 6:09 PM Amit Kapila <amit(dot)kapila16(at)gmail(dot)com> wrote:
> > > On Fri, Dec 17, 2021 at 4:11 AM Peter Smith <smithpb2250(at)gmail(dot)com> wrote:
> > > >
> > > > PSA the v47* patch set.
> > Thanks for the comments, I agree with all the comments.
> > Attach the V49 patch set, which addressed all the above comments on the 0002
> > patch.
>
> While reviewing the patch, I was testing a scenario where we change
> the row filter condition and refresh the publication, in this case we
> do not identify the row filter change and the table data is not synced
> with the publisher. In case of setting the table, we sync the data
> from the publisher.
>
We only sync data if the table is added after the last Refresh or
Create Subscription. Even if we decide to sync the data again due to
row filter change, it can easily create conflicts with already synced
data. So, this seems expected behavior and we can probably document
it.
--
With Regards,
Amit Kapila.
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