Re: row filtering for logical replication

From: Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org>
To: "houzj(dot)fnst(at)fujitsu(dot)com" <houzj(dot)fnst(at)fujitsu(dot)com>
Cc: Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>, Peter Smith <smithpb2250(at)gmail(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>, "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: 2022-01-28 13:51:26
Message-ID: 202201281351.clzyf4cs6vzb@alvherre.pgsql
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I just pushed a change to tab-complete because of a comment in the
column-list patch series. I checked and your v72-0002 does not
conflict, but it doesn't fully work either; AFAICT you'll have to change
it so that the WHERE clause appears in the COMPLETE_WITH(",") line I
just added. As far as I tested it, with that change the completion
works fine.

Unrelated to these two patches:

Frankly I would prefer that these completions offer a ";" in addition to
the "," and "WHERE". But we have no precedent for doing that (offering
to end the command) anywhere in the completion rules, so I think it
would be a larger change that would merit more discussion.

And while we're talking of larger changes, I would love it if other
commands such as DROP TABLE offered a "," completion after a table name,
so that a command can be tab-completed to drop multiple tables. (Same
with other commands that process multiple comma-separated objects, of
course.)

--
Álvaro Herrera 39°49'30"S 73°17'W — https://www.EnterpriseDB.com/
"On the other flipper, one wrong move and we're Fatal Exceptions"
(T.U.X.: Term Unit X - http://www.thelinuxreview.com/TUX/)

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