pgsql: Rename the logical replication global "wrconn"

From: Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org>
To: pgsql-committers(at)lists(dot)postgresql(dot)org
Subject: pgsql: Rename the logical replication global "wrconn"
Date: 2021-05-12 23:19:15
Message-ID: E1lgy8J-0000Ni-Rp@gemulon.postgresql.org
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Rename the logical replication global "wrconn"

The worker.c global wrconn is only meant to be used by logical apply/
tablesync workers, but there are other variables with the same name. To
reduce future confusion rename the global from "wrconn" to
"LogRepWorkerWalRcvConn".

While this is just cosmetic, it seems better to backpatch it all the way
back to 10 where this code appeared, to avoid future backpatching
issues.

Author: Peter Smith <smithpb2250(at)gmail(dot)com>
Discussion: https://postgr.es/m/CAHut+Pu7Jv9L2BOEx_Z0UtJxfDevQSAUW2mJqWU+CtmDrEZVAg@mail.gmail.com

Branch
------
REL_13_STABLE

Details
-------
https://git.postgresql.org/pg/commitdiff/e5c071bc0f93c9c47821c876e36459580e08a68c

Modified Files
--------------
src/backend/replication/logical/launcher.c | 4 ++--
src/backend/replication/logical/tablesync.c | 26 +++++++++++++++-----------
src/backend/replication/logical/worker.c | 21 +++++++++++----------
src/include/replication/worker_internal.h | 2 +-
4 files changed, 29 insertions(+), 24 deletions(-)

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