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Expand usage of macros for protocol characters.

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This commit makes use of the existing PqMsg_* macros in more places
and adds new PqReplMsg_* and PqBackupMsg_* macros for use in
special replication and backup messages, respectively.

Author: Dave Cramer <davecramer@gmail.com>
Co-authored-by: Fabrízio de Royes Mello <fabriziomello@gmail.com>
Reviewed-by: Jacob Champion <jacob.champion@enterprisedb.com>
Reviewed-by: Álvaro Herrera <alvherre@kurilemu.de>
Reviewed-by: Euler Taveira <euler@eulerto.com>
Discussion: https://postgr.es/m/aIECfYfevCUpenBT@nathan
Discussion: https://postgr.es/m/CAFcNs%2Br73NOUb7%2BqKrV4HHEki02CS96Z%2Bx19WaFgE087BWwEng%40mail.gmail.com
This commit is contained in:
Nathan Bossart
2025-08-06 13:37:00 -05:00
parent 35baa60cc7
commit 9ea3b6f751
9 changed files with 70 additions and 43 deletions
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4
src/backend/replication/logical/applyparallelworker.c
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@@ -778,10 +778,10 @@ LogicalParallelApplyLoop(shm_mq_handle *mqh)
/*
* The first byte of messages sent from leader apply worker to
* parallel apply workers can only be 'w'.
* parallel apply workers can only be PqReplMsg_WALData.
*/
c = pq_getmsgbyte(&s);
if (c != 'w')
if (c != PqReplMsg_WALData)
elog(ERROR, "unexpected message \"%c\"", c);
/*