| From: | Amit Kapila <amit(dot)kapila16(at)gmail(dot)com> |
|---|---|
| To: | Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org> |
| Cc: | "houzj(dot)fnst(at)fujitsu(dot)com" <houzj(dot)fnst(at)fujitsu(dot)com>, Peter Smith <smithpb2250(at)gmail(dot)com>, "tanghy(dot)fnst(at)fujitsu(dot)com" <tanghy(dot)fnst(at)fujitsu(dot)com>, Euler Taveira <euler(at)eulerto(dot)com>, Greg Nancarrow <gregn4422(at)gmail(dot)com>, vignesh C <vignesh21(at)gmail(dot)com>, Ajin Cherian <itsajin(at)gmail(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: | 2022-01-12 09:38:22 |
| Message-ID: | CAA4eK1Ly_O3uLNg05pFc4YDRrJ=-JLvMNJEGkJevgdL=uhBCMg@mail.gmail.com |
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On Wed, Jan 12, 2022 at 3:00 AM Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org> wrote:
>
> I just looked at 0002 because of Justin Pryzby's comment in the column
> filtering thread, and realized that the pgoutput row filtering has a
> very strange API, which receives both heap tuples and slots; and we seem
> to convert to and from slots in seemingly unprincipled ways. I don't
> think this is going to fly. I think it's OK for the initial entry into
> pgoutput to be HeapTuple (but only because that's what
> ReorderBufferTupleBuf has), but it should be converted a slot right when
> it enters pgoutput, and then used as a slot throughout.
>
One another thing that we can improve about 0002 is to unify the APIs
for row filtering for update and insert/delete. I find having separate
APIs a bit awkward.
--
With Regards,
Amit Kapila.
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