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Conditionally output the server version number in psql if it doesn't

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exactly match the client version number, and warn about major version
mismatches.
This commit is contained in:
Bruce Momjian
2005-09-05 13:59:08 +00:00
parent e8f35414ef
commit 656fe39b84
1 changed files with 43 additions and 5 deletions
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48
src/bin/psql/startup.c
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@ -3,7 +3,7 @@
* *
* Copyright (c) 2000-2005, PostgreSQL Global Development Group * Copyright (c) 2000-2005, PostgreSQL Global Development Group
* *
* $PostgreSQL: pgsql/src/bin/psql/startup.c,v 1.120 2005/07/25 17:17:41 momjian Exp $ * $PostgreSQL: pgsql/src/bin/psql/startup.c,v 1.121 2005/09/05 13:59:08 momjian Exp $
*/ */
#include "postgres_fe.h" #include "postgres_fe.h"
@ -312,13 +312,51 @@ main(int argc, char *argv[])
if (!QUIET() && !pset.notty) if (!QUIET() && !pset.notty)
{ {
printf(_("Welcome to %s %s, the PostgreSQL interactive terminal.\n\n" /*
"Type: \\copyright for distribution terms\n" * Server value for 8.12 is 80102.
* This code does not handle release numbers like
* 8.112. (Is that 8.1, version 12, or 8.11, version 2?
*/
int client_ver_major_int = atoi(PG_VERSION) * 100 +
strchr(PG_VERSION, '.')[1] - '0';
int client_ver_int = atoi(PG_VERSION) * 10000 +
(strchr(PG_VERSION, '.')[1] - '0') * 100 +
(isdigit(strchr(PG_VERSION, '.')[2]) ?
strchr(PG_VERSION, '.')[2] - '0' : '\0');
if (pset.sversion / 100 != client_ver_major_int)
{
printf(_("WARNING: You are connected to a server with major version %d.%d,\n"
"but your %s client is major version %d.%d. Informational backslash\n"
"commands, like \\d, might not work properly.\n\n"),
pset.sversion / 10000, (pset.sversion / 100) % 10,
pset.progname, atoi(PG_VERSION), strchr(PG_VERSION, '.')[1] - '0');
}
if (pset.sversion != client_ver_int)
{
char server_ver_str[16];
snprintf(server_ver_str, 16, "%d.%c%c", pset.sversion / 10000,
(pset.sversion / 100) % 10 + '0',
/* print last digit? */
(pset.sversion % 10 != 0) ?
pset.sversion % 10 + '0' : '\0');
printf(_("Welcome to %s, the PostgreSQL interactive terminal.\n"),
pset.progname);
printf(_("%s version %s, server version %s\n\n"),
pset.progname, PG_VERSION, server_ver_str);
}
else
printf(_("Welcome to %s %s, the PostgreSQL interactive terminal.\n\n"),
pset.progname, PG_VERSION);
printf(_("Type: \\copyright for distribution terms\n"
" \\h for help with SQL commands\n" " \\h for help with SQL commands\n"
" \\? for help with psql commands\n" " \\? for help with psql commands\n"
" \\g or terminate with semicolon to execute query\n" " \\g or terminate with semicolon to execute query\n"
" \\q to quit\n\n"), " \\q to quit\n\n"));
pset.progname, PG_VERSION);
#ifdef USE_SSL #ifdef USE_SSL
printSSLInfo(); printSSLInfo();
#endif #endif