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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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8
src/backend/replication/walreceiver.c
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@@ -826,7 +826,7 @@ XLogWalRcvProcessMsg(unsigned char type, char *buf, Size len, TimeLineID tli)
switch (type)
{
case 'w': /* WAL records */
case PqReplMsg_WALData:
{
StringInfoData incoming_message;
@@ -850,7 +850,7 @@ XLogWalRcvProcessMsg(unsigned char type, char *buf, Size len, TimeLineID tli)
XLogWalRcvWrite(buf, len, dataStart, tli);
break;
}
case 'k': /* Keepalive */
case PqReplMsg_Keepalive:
{
StringInfoData incoming_message;
@@ -1130,7 +1130,7 @@ XLogWalRcvSendReply(bool force, bool requestReply)
applyPtr = GetXLogReplayRecPtr(NULL);
resetStringInfo(&reply_message);
pq_sendbyte(&reply_message, 'r');
pq_sendbyte(&reply_message, PqReplMsg_StandbyStatusUpdate);
pq_sendint64(&reply_message, writePtr);
pq_sendint64(&reply_message, flushPtr);
pq_sendint64(&reply_message, applyPtr);
@@ -1234,7 +1234,7 @@ XLogWalRcvSendHSFeedback(bool immed)
/* Construct the message and send it. */
resetStringInfo(&reply_message);
pq_sendbyte(&reply_message, 'h');
pq_sendbyte(&reply_message, PqReplMsg_HotStandbyFeedback);
pq_sendint64(&reply_message, GetCurrentTimestamp());
pq_sendint32(&reply_message, xmin);
pq_sendint32(&reply_message, xmin_epoch);