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Make pg_dump/restore safer for autocommit=off in postgresql.conf.

This commit is contained in:
Bruce Momjian 2003-02-14 19:40:42 +00:00
parent 37664ee465
commit 3f6333357f
3 changed files with 32 additions and 5 deletions
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8
src/bin/pg_dump/pg_backup_archiver.c
View File

@ -15,7 +15,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/bin/pg_dump/pg_backup_archiver.c,v 1.67 2003/02/01 22:06:59 tgl Exp $
* $Header: /cvsroot/pgsql/src/bin/pg_dump/pg_backup_archiver.c,v 1.68 2003/02/14 19:40:42 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -206,7 +206,8 @@ RestoreArchive(Archive *AHX, RestoreOptions *ropt)
sav = SetOutput(AH, ropt->filename, ropt->compression);
ahprintf(AH, "--\n-- PostgreSQL database dump\n--\n\n");
ahprintf(AH, "SET autocommit TO 'on';\n\n");
/*
* Drop the items at the start, in reverse order
*/
@ -2109,7 +2110,8 @@ _reconnectAsUser(ArchiveHandle *AH, const char *dbname, const char *user)
dbname ? fmtId(dbname) : "-");
appendPQExpBuffer(qry, " %s\n\n",
fmtId(user));
appendPQExpBuffer(qry, "SET autocommit TO 'on';\n\n");
ahprintf(AH, qry->data);
destroyPQExpBuffer(qry);

17
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 1.45 2003/02/13 04:54:15 momjian Exp $
* $Header: /cvsroot/pgsql/src/bin/pg_dump/pg_backup_db.c,v 1.46 2003/02/14 19:40:42 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -213,6 +213,21 @@ _connectDB(ArchiveHandle *AH, const char *reqdb, const char *requser)
if (password)
free(password);
/* check for version mismatch */
_check_database_version(AH, true);
/* Turn autocommit on */
if (AH->public.remoteVersion >= 70300)
{
PGresult *res;
res = PQexec(AH->connection, "SET autocommit TO 'on'");
if (!res || PQresultStatus(res) != PGRES_COMMAND_OK)
die_horribly(AH, NULL, "SET autocommit TO 'on' failed: %s",
PQerrorMessage(AH->connection));
PQclear(res);
}
PQsetNoticeProcessor(newConn, notice_processor, NULL);
return newConn;

12
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 1.13 2003/01/16 15:27:59 tgl Exp $
* $Header: /cvsroot/pgsql/src/bin/pg_dump/pg_dumpall.c,v 1.14 2003/02/14 19:40:42 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -190,6 +190,7 @@ main(int argc, char *argv[])
printf("-- PostgreSQL database cluster dump\n");
printf("--\n\n");
printf("\\connect \"template1\"\n\n");
printf("SET autocommit TO 'on';\n\n");
dumpUsers(conn);
dumpGroups(conn);
@ -552,6 +553,7 @@ dumpDatabases(PGconn *conn)
fprintf(stderr, _("%s: dumping database \"%s\"...\n"), progname, dbname);
printf("\\connect %s\n", fmtId(dbname));
printf("SET autocommit TO 'on';\n\n");
ret = runPgDump(dbname);
if (ret != 0)
{
@ -677,6 +679,14 @@ connectDatabase(const char *dbname, const char *pghost, const char *pgport,
}
PQclear(res);
if (server_version >= 70300)
{
PGresult *res;
res = executeQuery(conn, "SET autocommit TO 'on';SELECT 1;");
PQclear(res);
}
return conn;
}