1 /*
2 * dump.c
3 *
4 * dump functions
5 *
6 * Copyright (c) 2010-2021, PostgreSQL Global Development Group
7 * src/bin/pg_upgrade/dump.c
8 */
9
10 #include "postgres_fe.h"
11
12 #include "fe_utils/string_utils.h"
13 #include "pg_upgrade.h"
14
15 void
generate_old_dump(void)16 generate_old_dump(void)
17 {
18 int dbnum;
19
20 prep_status("Creating dump of global objects");
21
22 /* run new pg_dumpall binary for globals */
23 exec_prog(UTILITY_LOG_FILE, NULL, true, true,
24 "\"%s/pg_dumpall\" %s --globals-only --quote-all-identifiers "
25 "--binary-upgrade %s -f %s",
26 new_cluster.bindir, cluster_conn_opts(&old_cluster),
27 log_opts.verbose ? "--verbose" : "",
28 GLOBALS_DUMP_FILE);
29 check_ok();
30
31 prep_status("Creating dump of database schemas\n");
32
33 /* create per-db dump files */
34 for (dbnum = 0; dbnum < old_cluster.dbarr.ndbs; dbnum++)
35 {
36 char sql_file_name[MAXPGPATH],
37 log_file_name[MAXPGPATH];
38 DbInfo *old_db = &old_cluster.dbarr.dbs[dbnum];
39 PQExpBufferData connstr,
40 escaped_connstr;
41
42 initPQExpBuffer(&connstr);
43 appendPQExpBufferStr(&connstr, "dbname=");
44 appendConnStrVal(&connstr, old_db->db_name);
45 initPQExpBuffer(&escaped_connstr);
46 appendShellString(&escaped_connstr, connstr.data);
47 termPQExpBuffer(&connstr);
48
49 pg_log(PG_STATUS, "%s", old_db->db_name);
50 snprintf(sql_file_name, sizeof(sql_file_name), DB_DUMP_FILE_MASK, old_db->db_oid);
51 snprintf(log_file_name, sizeof(log_file_name), DB_DUMP_LOG_FILE_MASK, old_db->db_oid);
52
53 parallel_exec_prog(log_file_name, NULL,
54 "\"%s/pg_dump\" %s --schema-only --quote-all-identifiers "
55 "--binary-upgrade --format=custom %s --file=\"%s\" %s",
56 new_cluster.bindir, cluster_conn_opts(&old_cluster),
57 log_opts.verbose ? "--verbose" : "",
58 sql_file_name, escaped_connstr.data);
59
60 termPQExpBuffer(&escaped_connstr);
61 }
62
63 /* reap all children */
64 while (reap_child(true) == true)
65 ;
66
67 end_progress_output();
68 check_ok();
69 }
70