| From: | Amit Kapila <amit(dot)kapila16(at)gmail(dot)com> |
|---|---|
| To: | Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org> |
| Cc: | Tomas Vondra <tomas(dot)vondra(at)enterprisedb(dot)com>, Dilip Kumar <dilipbalaut(at)gmail(dot)com>, Euler Taveira <euler(at)eulerto(dot)com>, Peter Smith <smithpb2250(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>, Tomas Vondra <tomas(dot)vondra(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: | 2021-07-15 02:02:25 |
| Message-ID: | CAA4eK1KnyYx3VxsmDdj3e3dd2=byw3DfcRM51WOTa7n8_HmDDA@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Wed, Jul 14, 2021 at 8:43 PM Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org> wrote:
>
> On 2021-Jul-14, Tomas Vondra wrote:
>
> > The other question is when to check/enforce this. I guess we'll have to do
> > that during decoding, not just when the publication is being created,
> > because the user can do ALTER TABLE later.
>
> ... if you're saying the user can change the replica identity after we
> have some publications with filters defined, then I think we should
> verify during ALTER TABLE and not allow the change if there's a
> publication that requires it. I mean, during decoding we should be able
> to simply assume that the tuple is correct for what we need at that
> point.
>
+1.
--
With Regards,
Amit Kapila.
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