static void
create_new_objects(void)
{
int dbnum;
prep_status("Adding support functions to new cluster");
/*
* Technically, we only need to install these support functions in new
* databases that also exist in the old cluster, but for completeness we
* process all new databases.
*/
for (dbnum = 0; dbnum < new_cluster.dbarr.ndbs; dbnum++)
{
DbInfo *new_db = &new_cluster.dbarr.dbs[dbnum];
/* skip db we already installed */
if (strcmp(new_db->db_name, "template1") != 0)
install_support_functions_in_new_db(new_db->db_name);
}
check_ok();
prep_status("Restoring database schemas in the new cluster\n");
for (dbnum = 0; dbnum < old_cluster.dbarr.ndbs; dbnum++)
{
char sql_file_name[MAXPGPATH],
log_file_name[MAXPGPATH];
DbInfo *old_db = &old_cluster.dbarr.dbs[dbnum];
pg_log(PG_STATUS, "%s", old_db->db_name);
snprintf(sql_file_name, sizeof(sql_file_name), DB_DUMP_FILE_MASK, old_db->db_oid);
snprintf(log_file_name, sizeof(log_file_name), DB_DUMP_LOG_FILE_MASK, old_db->db_oid);
/*
* pg_dump only produces its output at the end, so there is little
* parallelism if using the pipe.
*/
parallel_exec_prog(log_file_name,
NULL,
"\"%s/pg_restore\" %s --exit-on-error --verbose --dbname \"%s\" \"%s\"",
new_cluster.bindir,
cluster_conn_opts(&new_cluster),
old_db->db_name,
sql_file_name);
}
/* reap all children */
while (reap_child(true) == true)
;
end_progress_output();
check_ok();
/* regenerate now that we have objects in the databases */
get_db_and_rel_infos(&new_cluster);
uninstall_support_functions_from_new_cluster();
}
static void
create_new_objects(void)
{
int dbnum;
prep_status("Restoring database schemas in the new cluster\n");
for (dbnum = 0; dbnum < old_cluster.dbarr.ndbs; dbnum++)
{
char sql_file_name[MAXPGPATH],
log_file_name[MAXPGPATH];
DbInfo *old_db = &old_cluster.dbarr.dbs[dbnum];
PQExpBufferData connstr,
escaped_connstr;
initPQExpBuffer(&connstr);
appendPQExpBuffer(&connstr, "dbname=");
appendConnStrVal(&connstr, old_db->db_name);
initPQExpBuffer(&escaped_connstr);
appendShellString(&escaped_connstr, connstr.data);
termPQExpBuffer(&connstr);
pg_log(PG_STATUS, "%s", old_db->db_name);
snprintf(sql_file_name, sizeof(sql_file_name), DB_DUMP_FILE_MASK, old_db->db_oid);
snprintf(log_file_name, sizeof(log_file_name), DB_DUMP_LOG_FILE_MASK, old_db->db_oid);
/*
* pg_dump only produces its output at the end, so there is little
* parallelism if using the pipe.
*/
parallel_exec_prog(log_file_name,
NULL,
"\"%s/pg_restore\" %s --exit-on-error --verbose --dbname %s \"%s\"",
new_cluster.bindir,
cluster_conn_opts(&new_cluster),
escaped_connstr.data,
sql_file_name);
termPQExpBuffer(&escaped_connstr);
}
/* reap all children */
while (reap_child(true) == true)
;
end_progress_output();
check_ok();
/*
* We don't have minmxids for databases or relations in pre-9.3 clusters,
* so set those after we have restored the schema.
*/
if (GET_MAJOR_VERSION(old_cluster.major_version) < 903)
set_frozenxids(true);
/* regenerate now that we have objects in the databases */
get_db_and_rel_infos(&new_cluster);
}
void
generate_old_dump(void)
{
int dbnum;
mode_t old_umask;
prep_status("Creating dump of global objects");
/* run new pg_dumpall binary for globals */
exec_prog(UTILITY_LOG_FILE, NULL, true,
"\"%s/pg_dumpall\" %s --globals-only --quote-all-identifiers "
"--binary-upgrade %s -f %s",
new_cluster.bindir, cluster_conn_opts(&old_cluster),
log_opts.verbose ? "--verbose" : "",
GLOBALS_DUMP_FILE);
check_ok();
prep_status("Creating dump of database schemas\n");
/*
* Set umask for this function, all functions it calls, and all
* subprocesses/threads it creates. We can't use fopen_priv() as Windows
* uses threads and umask is process-global.
*/
old_umask = umask(S_IRWXG | S_IRWXO);
/* create per-db dump files */
for (dbnum = 0; dbnum < old_cluster.dbarr.ndbs; dbnum++)
{
char sql_file_name[MAXPGPATH],
log_file_name[MAXPGPATH];
DbInfo *old_db = &old_cluster.dbarr.dbs[dbnum];
pg_log(PG_STATUS, "%s", old_db->db_name);
snprintf(sql_file_name, sizeof(sql_file_name), DB_DUMP_FILE_MASK, old_db->db_oid);
snprintf(log_file_name, sizeof(log_file_name), DB_DUMP_LOG_FILE_MASK, old_db->db_oid);
parallel_exec_prog(log_file_name, NULL,
"\"%s/pg_dump\" %s --schema-only --quote-all-identifiers "
"--binary-upgrade --format=custom %s --file=\"%s\" \"%s\"",
new_cluster.bindir, cluster_conn_opts(&old_cluster),
log_opts.verbose ? "--verbose" : "",
sql_file_name, old_db->db_name);
}
/* reap all children */
while (reap_child(true) == true)
;
umask(old_umask);
end_progress_output();
check_ok();
}
void
generate_old_dump(void)
{
int dbnum;
prep_status("Creating dump of global objects");
/* run new pg_dumpall binary for globals */
exec_prog(UTILITY_LOG_FILE, NULL, true,
"\"%s/pg_dumpall\" %s --schema-only --globals-only --binary-upgrade %s -f %s",
new_cluster.bindir, cluster_conn_opts(&old_cluster),
log_opts.verbose ? "--verbose" : "",
GLOBALS_DUMP_FILE);
check_ok();
prep_status("Creating dump of database schemas\n");
/* create per-db dump files */
for (dbnum = 0; dbnum < old_cluster.dbarr.ndbs; dbnum++)
{
char sql_file_name[MAXPGPATH], log_file_name[MAXPGPATH];
DbInfo *old_db = &old_cluster.dbarr.dbs[dbnum];
pg_log(PG_STATUS, "%s", old_db->db_name);
snprintf(sql_file_name, sizeof(sql_file_name), DB_DUMP_FILE_MASK, old_db->db_oid);
snprintf(log_file_name, sizeof(log_file_name), DB_DUMP_LOG_FILE_MASK, old_db->db_oid);
parallel_exec_prog(log_file_name, NULL,
"\"%s/pg_dump\" %s --schema-only --binary-upgrade --format=custom %s --file=\"%s\" \"%s\"",
new_cluster.bindir, cluster_conn_opts(&old_cluster),
log_opts.verbose ? "--verbose" : "", sql_file_name, old_db->db_name);
}
/* reap all children */
while (reap_child(true) == true)
;
end_progress_output();
check_ok();
}
static void
create_new_objects(void)
{
int dbnum;
prep_status("Restoring database schemas in the new cluster\n");
/*
* We cannot process the template1 database concurrently with others,
* because when it's transiently dropped, connection attempts would fail.
* So handle it in a separate non-parallelized pass.
*/
for (dbnum = 0; dbnum < old_cluster.dbarr.ndbs; dbnum++)
{
char sql_file_name[MAXPGPATH],
log_file_name[MAXPGPATH];
DbInfo *old_db = &old_cluster.dbarr.dbs[dbnum];
const char *create_opts;
/* Process only template1 in this pass */
if (strcmp(old_db->db_name, "template1") != 0)
continue;
pg_log(PG_STATUS, "%s", old_db->db_name);
snprintf(sql_file_name, sizeof(sql_file_name), DB_DUMP_FILE_MASK, old_db->db_oid);
snprintf(log_file_name, sizeof(log_file_name), DB_DUMP_LOG_FILE_MASK, old_db->db_oid);
/*
* template1 and postgres databases will already exist in the target
* installation, so tell pg_restore to drop and recreate them;
* otherwise we would fail to propagate their database-level
* properties.
*/
create_opts = "--clean --create";
exec_prog(log_file_name,
NULL,
true,
true,
"\"%s/pg_restore\" %s %s --exit-on-error --verbose "
"--dbname postgres \"%s\"",
new_cluster.bindir,
cluster_conn_opts(&new_cluster),
create_opts,
sql_file_name);
break; /* done once we've processed template1 */
}
for (dbnum = 0; dbnum < old_cluster.dbarr.ndbs; dbnum++)
{
char sql_file_name[MAXPGPATH],
log_file_name[MAXPGPATH];
DbInfo *old_db = &old_cluster.dbarr.dbs[dbnum];
const char *create_opts;
/* Skip template1 in this pass */
if (strcmp(old_db->db_name, "template1") == 0)
continue;
pg_log(PG_STATUS, "%s", old_db->db_name);
snprintf(sql_file_name, sizeof(sql_file_name), DB_DUMP_FILE_MASK, old_db->db_oid);
snprintf(log_file_name, sizeof(log_file_name), DB_DUMP_LOG_FILE_MASK, old_db->db_oid);
/*
* template1 and postgres databases will already exist in the target
* installation, so tell pg_restore to drop and recreate them;
* otherwise we would fail to propagate their database-level
* properties.
*/
if (strcmp(old_db->db_name, "postgres") == 0)
create_opts = "--clean --create";
else
create_opts = "--create";
parallel_exec_prog(log_file_name,
NULL,
"\"%s/pg_restore\" %s %s --exit-on-error --verbose "
"--dbname template1 \"%s\"",
new_cluster.bindir,
cluster_conn_opts(&new_cluster),
create_opts,
sql_file_name);
}
/* reap all children */
while (reap_child(true) == true)
;
end_progress_output();
check_ok();
/*
* We don't have minmxids for databases or relations in pre-9.3 clusters,
* so set those after we have restored the schema.
*/
if (GET_MAJOR_VERSION(old_cluster.major_version) < 903)
set_frozenxids(true);
/* update new_cluster info now that we have objects in the databases */
get_db_and_rel_infos(&new_cluster);
}
