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Use libpq's new logic to get the server version, instead of doing it ourselves.

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This commit is contained in:
Tom Lane 2003-06-22 00:56:58 +00:00
parent e92dc1e199
commit dd81eee222
2 changed files with 16 additions and 26 deletions
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20
src/bin/pg_dump/pg_backup_db.c
View File

@ -5,7 +5,7 @@
* Implements the basic DB functions used by the archiver.
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/bin/pg_dump/pg_backup_db.c,v 1.47 2003/05/14 03:26:02 tgl Exp $
* $Header: /cvsroot/pgsql/src/bin/pg_dump/pg_backup_db.c,v 1.48 2003/06/22 00:56:58 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -53,29 +53,23 @@ _parse_version(ArchiveHandle *AH, const char *versionString)
static void
_check_database_version(ArchiveHandle *AH, bool ignoreVersion)
{
PGresult *res;
int myversion;
const char *remoteversion_str;
int remoteversion;
PGconn *conn = AH->connection;
myversion = _parse_version(AH, PG_VERSION);
res = PQexec(conn, "SELECT version();");
if (!res ||
PQresultStatus(res) != PGRES_TUPLES_OK ||
PQntuples(res) != 1)
die_horribly(AH, modulename, "could not get version from server: %s", PQerrorMessage(conn));
remoteversion_str = PQparameterStatus(AH->connection, "server_version");
if (!remoteversion_str)
die_horribly(AH, modulename, "could not get server_version from libpq\n");
remoteversion_str = PQgetvalue(res, 0, 0);
remoteversion = _parse_version(AH, remoteversion_str + 11);
PQclear(res);
remoteversion = _parse_version(AH, remoteversion_str);
AH->public.remoteVersion = remoteversion;
if (myversion != remoteversion
&& (remoteversion < AH->public.minRemoteVersion || remoteversion > AH->public.maxRemoteVersion))
&& (remoteversion < AH->public.minRemoteVersion ||
remoteversion > AH->public.maxRemoteVersion))
{
write_msg(NULL, "server version: %s; %s version: %s\n",
remoteversion_str, progname, PG_VERSION);

22
src/bin/pg_dump/pg_dumpall.c
View File

@ -6,7 +6,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
*
* $Header: /cvsroot/pgsql/src/bin/pg_dump/pg_dumpall.c,v 1.21 2003/06/11 05:13:11 momjian Exp $
* $Header: /cvsroot/pgsql/src/bin/pg_dump/pg_dumpall.c,v 1.22 2003/06/22 00:56:58 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -701,7 +701,7 @@ connectDatabase(const char *dbname, const char *pghost, const char *pgport,
PGconn *conn;
char *password = NULL;
bool need_pass = false;
PGresult *res;
const char *remoteversion_str;
if (require_password)
password = simple_prompt("Password: ", 100, false);
@ -745,23 +745,19 @@ connectDatabase(const char *dbname, const char *pghost, const char *pgport,
exit(1);
}
res = executeQuery(conn, "SELECT version();");
if (PQntuples(res) != 1)
remoteversion_str = PQparameterStatus(conn, "server_version");
if (!remoteversion_str)
{
fprintf(stderr, _("%s: could not get server version\n"), progname);
exit(1);
}
else
server_version = parse_version(remoteversion_str);
if (server_version < 0)
{
char *val = PQgetvalue(res, 0, 0);
server_version = parse_version(val + strcspn(val, "0123456789"));
if (server_version < 0)
{
fprintf(stderr, _("%s: could not parse server version \"%s\"\n"), progname, val);
exit(1);
}
fprintf(stderr, _("%s: could not parse server version \"%s\"\n"),
progname, remoteversion_str);
exit(1);
}
PQclear(res);
return conn;
}