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psql: Add more information about service name

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This commit adds support for the following items in psql, able to show a
service name, when available:
- Variable SERVICE.
- Substitution %s in PROMPT{1,2,3}.

This relies on 4b99fed754, that has made the service name available in
PGconn for libpq.

Author: Michael Banck
Reviewed-by: Greg Sabino Mullane
Discussion: https://postgr.es/m/6723c612.050a0220.1567f4.b94a@mx.google.com
This commit is contained in:
Michael Paquier
2024-12-18 15:16:12 +09:00
parent 4b99fed754
commit 477728b5d6
3 changed files with 22 additions and 0 deletions
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2
src/bin/psql/command.c
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@@ -4082,6 +4082,7 @@ SyncVariables(void)
pset.sversion = PQserverVersion(pset.db);
SetVariable(pset.vars, "DBNAME", PQdb(pset.db));
SetVariable(pset.vars, "SERVICE", PQservice(pset.db));
SetVariable(pset.vars, "USER", PQuser(pset.db));
SetVariable(pset.vars, "HOST", PQhost(pset.db));
SetVariable(pset.vars, "PORT", PQport(pset.db));
@@ -4115,6 +4116,7 @@ void
UnsyncVariables(void)
{
SetVariable(pset.vars, "DBNAME", NULL);
SetVariable(pset.vars, "SERVICE", NULL);
SetVariable(pset.vars, "USER", NULL);
SetVariable(pset.vars, "HOST", NULL);
SetVariable(pset.vars, "PORT", NULL);