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/*
* dump.c
*
* dump functions
*
* Copyright (c) 2010-2022, PostgreSQL Global Development Group
* src/bin/pg_upgrade/dump.c
*/
#include "postgres_fe.h"
#include "fe_utils/string_utils.h"
#include "pg_upgrade.h"
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, true,
"\"%s/pg_dumpall\" %s --globals-only --quote-all-identifiers "
"--binary-upgrade %s -f \"%s/%s\"",
new_cluster.bindir, cluster_conn_opts(&old_cluster),
log_opts.verbose ? "--verbose" : "",
log_opts.dumpdir,
GLOBALS_DUMP_FILE);
check_ok();
prep_status_progress("Creating dump of database schemas");
/* 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];
PQExpBufferData connstr,
escaped_connstr;
initPQExpBuffer(&connstr);
appendPQExpBufferStr(&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);
parallel_exec_prog(log_file_name, NULL,
"\"%s/pg_dump\" %s --schema-only --quote-all-identifiers "
"--binary-upgrade --format=custom %s --file=\"%s/%s\" %s",
new_cluster.bindir, cluster_conn_opts(&old_cluster),
log_opts.verbose ? "--verbose" : "",
log_opts.dumpdir,
sql_file_name, escaped_connstr.data);
termPQExpBuffer(&escaped_connstr);
}
/* reap all children */
while (reap_child(true) == true)
;
end_progress_output();
check_ok();
}
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