pgsql: Add macros for ReorderBufferTXN toptxn.

From: Amit Kapila <akapila(at)postgresql(dot)org>
To: pgsql-committers(at)lists(dot)postgresql(dot)org
Subject: pgsql: Add macros for ReorderBufferTXN toptxn.
Date: 2023-03-17 03:25:04
Message-ID: E1pd0iG-003vef-CH@gemulon.postgresql.org
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Add macros for ReorderBufferTXN toptxn.

Currently, there are quite a few places in reorderbuffer.c that tries to
access top-transaction for a subtransaction. This makes the code to access
top-transaction consistent and easier to follow.

Author: Peter Smith
Reviewed-by: Vignesh C, Sawada Masahiko
Discussion: https://postgr.es/m/CAHut+PuCznOyTqBQwjRUu-ibG-=KHyCv-0FTcWQtZUdR88umfg@mail.gmail.com

Branch
------
master

Details
-------
https://git.postgresql.org/pg/commitdiff/e709596b25bd184d6566dfff240e3f672a548afe

Modified Files
--------------
contrib/test_decoding/test_decoding.c | 4 +--
src/backend/replication/logical/reorderbuffer.c | 46 ++++++++++---------------
src/backend/replication/pgoutput/pgoutput.c | 6 ++--
src/include/replication/reorderbuffer.h | 18 ++++++++++
4 files changed, 41 insertions(+), 33 deletions(-)

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