| From: | Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org> |
|---|---|
| To: | Tomas Vondra <tomas(dot)vondra(at)enterprisedb(dot)com> |
| Cc: | Euler Taveira <euler(at)eulerto(dot)com>, Greg Nancarrow <gregn4422(at)gmail(dot)com>, Amit Kapila <amit(dot)kapila16(at)gmail(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: | 2021-07-12 01:48:57 |
| Message-ID: | 202107120148.l4nueeibgynb@alvherre.pgsql |
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| Lists: | pgsql-hackers |
Hi
Andres complained about the safety of doing general expression
evaluation in pgoutput; that was first in
https://postgr.es/m/20210128022032.eq2qqc6zxkqn5syt@alap3.anarazel.de
where he described a possible approach to handle it by restricting
expressions to have limited shape; and later in
http://postgr.es/m/20210331191710.kqbiwe73lur7jo2e@alap3.anarazel.de
I was just scanning the patch trying to see if some sort of protection
had been added for this, but I couldn't find anything. (Some functions
are under-commented, though). So, is it there already, and if so what
is it? And if it isn't, then I think it should definitely be put there
in some form.
Thanks
--
Álvaro Herrera Valdivia, Chile — https://www.EnterpriseDB.com/
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