From: Alvaro Herrera <alvherre@2ndquadrant.com>
To: Nikhil Sontakke <nikhils@2ndquadrant.com>
Cc: Tomas Vondra <tomas.vondra@2ndquadrant.com>
Cc: Andres Freund <andres@anarazel.de>
Cc: Robert Haas <robertmhaas@gmail.com>
Cc: David Steele <david@pgmasters.net>
Cc: Andrew Dunstan <andrew.dunstan@2ndquadrant.com>
Cc: Simon Riggs <simon@2ndquadrant.com>
Cc: Craig Ringer <craig@2ndquadrant.com>
Cc: Peter Eisentraut <peter.eisentraut@2ndquadrant.com>
Cc: Petr Jelinek <petr.jelinek@2ndquadrant.com>
Cc: Sokolov Yura <y.sokolov@postgrespro.ru>
Cc: Stas Kelvich <s.kelvich@postgrespro.ru>
Cc: Dmitry Dolgov <9erthalion6@gmail.com>
Cc: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Masahiko Sawada <sawada.mshk@gmail.com>
Cc: PostgreSQL mailing lists <pgsql-hackers@postgresql.org>
Subject: Re: [HACKERS] logical decoding of two-phase transactions
Date: Fri, 25 Jan 2019 14:03:27 -0300
Message-ID: <201901251703.r7idekybsep2@alvherre.pgsql> (raw)
In-Reply-To: <CAMGcDxcBmN6jNeQkgWddfhX8HbSjQpW=Uo70iBY3P_EPdp+LTQ@mail.gmail.com>
Eyeballing 0001, it has a few problems.
1. It's under-parenthesizing the txn argument of the macros.
2. the "has"/"is" macro definitions don't return booleans -- see
fce4609d5e5b.
3. the remainder of this no longer makes sense:
/* Do we know this is a subxact? Xid of top-level txn if so */
- bool is_known_as_subxact;
TransactionId toplevel_xid;
I suggest to fix the comment, and also improve the comment next to the
macro that tests this flag.
(4. the macro names are ugly.)
--
Álvaro Herrera https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
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Cc: alvherre@2ndquadrant.com, nikhils@2ndquadrant.com, tomas.vondra@2ndquadrant.com, andres@anarazel.de, robertmhaas@gmail.com, david@pgmasters.net, andrew.dunstan@2ndquadrant.com, simon@2ndquadrant.com, craig@2ndquadrant.com, peter.eisentraut@2ndquadrant.com, petr.jelinek@2ndquadrant.com, y.sokolov@postgrespro.ru, s.kelvich@postgrespro.ru, 9erthalion6@gmail.com, tgl@sss.pgh.pa.us, sawada.mshk@gmail.com
Subject: Re: [HACKERS] logical decoding of two-phase transactions
In-Reply-To: <201901251703.r7idekybsep2@alvherre.pgsql>
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