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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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10
src/backend/replication/logical/worker.c
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@@ -3994,7 +3994,7 @@ LogicalRepApplyLoop(XLogRecPtr last_received)
c = pq_getmsgbyte(&s);
if (c == 'w')
if (c == PqReplMsg_WALData)
{
XLogRecPtr start_lsn;
XLogRecPtr end_lsn;
@@ -4016,7 +4016,7 @@ LogicalRepApplyLoop(XLogRecPtr last_received)
maybe_advance_nonremovable_xid(&rdt_data, false);
}
else if (c == 'k')
else if (c == PqReplMsg_Keepalive)
{
XLogRecPtr end_lsn;
TimestampTz timestamp;
@@ -4035,7 +4035,7 @@ LogicalRepApplyLoop(XLogRecPtr last_received)
UpdateWorkerStats(last_received, timestamp, true);
}
else if (c == 's') /* Primary status update */
else if (c == PqReplMsg_PrimaryStatusUpdate)
{
rdt_data.remote_lsn = pq_getmsgint64(&s);
rdt_data.remote_oldestxid = FullTransactionIdFromU64((uint64) pq_getmsgint64(&s));
@@ -4267,7 +4267,7 @@ send_feedback(XLogRecPtr recvpos, bool force, bool requestReply)
else
resetStringInfo(reply_message);
pq_sendbyte(reply_message, 'r');
pq_sendbyte(reply_message, PqReplMsg_StandbyStatusUpdate);
pq_sendint64(reply_message, recvpos); /* write */
pq_sendint64(reply_message, flushpos); /* flush */
pq_sendint64(reply_message, writepos); /* apply */
@@ -4438,7 +4438,7 @@ request_publisher_status(RetainDeadTuplesData *rdt_data)
* Send the current time to update the remote walsender's latest reply
* message received time.
*/
pq_sendbyte(request_message, 'p');
pq_sendbyte(request_message, PqReplMsg_PrimaryStatusRequest);
pq_sendint64(request_message, GetCurrentTimestamp());
elog(DEBUG2, "sending publisher status request message");