| From: | Amit Kapila <amit(dot)kapila16(at)gmail(dot)com> |
|---|---|
| To: | Tomas Vondra <tomas(dot)vondra(at)enterprisedb(dot)com> |
| Cc: | Euler Taveira <euler(at)eulerto(dot)com>, Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org>, 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: | 2021-07-19 11:30:00 |
| Message-ID: | CAA4eK1JNpxyLHo3jMBbN630UJv4iCcB6OPOEW7p8aaUU6-tnaQ@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Wed, Jul 14, 2021 at 8:03 PM Tomas Vondra
<tomas(dot)vondra(at)enterprisedb(dot)com> wrote:
>
> On 7/14/21 2:50 PM, Amit Kapila wrote:
> > On Wed, Jul 14, 2021 at 3:58 PM Tomas Vondra
> >
> > I think apart from the above, it might be good if we can find what
> > some other databases does in this regard?
> >
>
> Yeah, that might tell us what the users would like to do with it. I did
> some quick search, but haven't found much :-( The one thing I found is
> that Debezium [1] allows accessing both the "old" and "new" rows through
> value.before and value.after, and use both for filtering.
>
Okay, but does it apply a filter to both rows for an Update event?
>
> [1]
> https://wanna-joke.com/wp-content/uploads/2015/01/german-translation-comics-science.jpg
>
This link doesn't provide Debezium information, seems like a typo.
--
With Regards,
Amit Kapila.
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