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Introduce macros for protocol characters.

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This commit introduces descriptively-named macros for the
identifiers used in wire protocol messages.  These new macros are
placed in a new header file so that they can be easily used by
third-party code.

Author: Dave Cramer
Reviewed-by: Alvaro Herrera, Tatsuo Ishii, Peter Smith, Robert Haas, Tom Lane, Peter Eisentraut, Michael Paquier
Discussion: https://postgr.es/m/CADK3HHKbBmK-PKf1bPNFoMC%2BoBt%2BpD9PH8h5nvmBQskEHm-Ehw%40mail.gmail.com
This commit is contained in:
Nathan Bossart
2023-08-22 19:16:12 -07:00
parent 7114791158
commit f4b54e1ed9
25 changed files with 305 additions and 204 deletions
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2
src/backend/commands/async.c
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@@ -2281,7 +2281,7 @@ NotifyMyFrontEnd(const char *channel, const char *payload, int32 srcPid)
{
StringInfoData buf;
pq_beginmessage(&buf, 'A');
pq_beginmessage(&buf, PqMsg_NotificationResponse);
pq_sendint32(&buf, srcPid);
pq_sendstring(&buf, channel);
pq_sendstring(&buf, payload);