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Improve version reporting in pgbench.

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Commit 547f04e73 caused pgbench to start printing its version number,
which seems like a fine idea, but it needs a bit more work:
* Print the server version number too, when different.
* Print the PG_VERSION string, not some reconstructed approximation.

This patch copies psql's well-tested code for the same purpose.

Discussion: https://postgr.es/m/1226654.1624036821@sss.pgh.pa.us
This commit is contained in:
Tom Lane 2021-06-18 17:05:23 -04:00
parent 7c337b6b52
commit 84bee96109
2 changed files with 36 additions and 2 deletions
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36
src/bin/pgbench/pgbench.c
View File

@ -63,6 +63,7 @@
#include "common/username.h"
#include "fe_utils/cancel.h"
#include "fe_utils/conditional.h"
#include "fe_utils/string_utils.h"
#include "getopt_long.h"
#include "libpq-fe.h"
#include "pgbench.h"
@ -5493,6 +5494,37 @@ printSimpleStats(const char *prefix, SimpleStats *ss)
}
}
/* print version banner */
static void
printVersion(PGconn *con)
{
int server_ver = PQserverVersion(con);
int client_ver = PG_VERSION_NUM;
if (server_ver != client_ver)
{
const char *server_version;
char sverbuf[32];
/* Try to get full text form, might include "devel" etc */
server_version = PQparameterStatus(con, "server_version");
/* Otherwise fall back on server_ver */
if (!server_version)
{
formatPGVersionNumber(server_ver, true,
sverbuf, sizeof(sverbuf));
server_version = sverbuf;
}
printf(_("%s (%s, server %s)\n"),
"pgbench", PG_VERSION, server_version);
}
/* For version match, only print pgbench version */
else
printf("%s (%s)\n", "pgbench", PG_VERSION);
fflush(stdout);
}
/* print out results */
static void
printResults(StatsData *total,
@ -5506,7 +5538,6 @@ printResults(StatsData *total,
double bench_duration = PG_TIME_GET_DOUBLE(total_duration);
double tps = ntx / bench_duration;
printf("pgbench (PostgreSQL) %d.%d\n", PG_VERSION_NUM / 10000, PG_VERSION_NUM % 100);
/* Report test parameters. */
printf("transaction type: %s\n",
num_scripts == 1 ? sql_script[0].desc : "multiple scripts");
@ -6334,6 +6365,9 @@ main(int argc, char **argv)
if (con == NULL)
exit(1);
/* report pgbench and server versions */
printVersion(con);
pg_log_debug("pghost: %s pgport: %s nclients: %d %s: %d dbName: %s",
PQhost(con), PQport(con), nclients,
duration <= 0 ? "nxacts" : "duration",

2
src/bin/pgbench/t/001_pgbench_with_server.pl
View File

@ -100,7 +100,7 @@ pgbench(
'no such database');
pgbench(
'-S -t 1', 1, [qr{^$}],
'-S -t 1', 1, [],
[qr{Perhaps you need to do initialization}],
'run without init');