| 1 | /* |
| 2 | * dump.c |
| 3 | * |
| 4 | * dump functions |
| 5 | * |
| 6 | * Copyright (c) 2010-2019, PostgreSQL Global Development Group |
| 7 | * src/bin/pg_upgrade/dump.c |
| 8 | */ |
| 9 | |
| 10 | #include "postgres_fe.h" |
| 11 | |
| 12 | #include "pg_upgrade.h" |
| 13 | |
| 14 | #include "fe_utils/string_utils.h" |
| 15 | |
| 16 | |
| 17 | void |
| 18 | generate_old_dump(void) |
| 19 | { |
| 20 | int dbnum; |
| 21 | |
| 22 | prep_status("Creating dump of global objects" ); |
| 23 | |
| 24 | /* run new pg_dumpall binary for globals */ |
| 25 | exec_prog(UTILITY_LOG_FILE, NULL, true, true, |
| 26 | "\"%s/pg_dumpall\" %s --globals-only --quote-all-identifiers " |
| 27 | "--binary-upgrade %s -f %s" , |
| 28 | new_cluster.bindir, cluster_conn_opts(&old_cluster), |
| 29 | log_opts.verbose ? "--verbose" : "" , |
| 30 | GLOBALS_DUMP_FILE); |
| 31 | check_ok(); |
| 32 | |
| 33 | prep_status("Creating dump of database schemas\n" ); |
| 34 | |
| 35 | /* create per-db dump files */ |
| 36 | for (dbnum = 0; dbnum < old_cluster.dbarr.ndbs; dbnum++) |
| 37 | { |
| 38 | char sql_file_name[MAXPGPATH], |
| 39 | log_file_name[MAXPGPATH]; |
| 40 | DbInfo *old_db = &old_cluster.dbarr.dbs[dbnum]; |
| 41 | PQExpBufferData connstr, |
| 42 | escaped_connstr; |
| 43 | |
| 44 | initPQExpBuffer(&connstr); |
| 45 | appendPQExpBuffer(&connstr, "dbname=" ); |
| 46 | appendConnStrVal(&connstr, old_db->db_name); |
| 47 | initPQExpBuffer(&escaped_connstr); |
| 48 | appendShellString(&escaped_connstr, connstr.data); |
| 49 | termPQExpBuffer(&connstr); |
| 50 | |
| 51 | pg_log(PG_STATUS, "%s" , old_db->db_name); |
| 52 | snprintf(sql_file_name, sizeof(sql_file_name), DB_DUMP_FILE_MASK, old_db->db_oid); |
| 53 | snprintf(log_file_name, sizeof(log_file_name), DB_DUMP_LOG_FILE_MASK, old_db->db_oid); |
| 54 | |
| 55 | parallel_exec_prog(log_file_name, NULL, |
| 56 | "\"%s/pg_dump\" %s --schema-only --quote-all-identifiers " |
| 57 | "--binary-upgrade --format=custom %s --file=\"%s\" %s" , |
| 58 | new_cluster.bindir, cluster_conn_opts(&old_cluster), |
| 59 | log_opts.verbose ? "--verbose" : "" , |
| 60 | sql_file_name, escaped_connstr.data); |
| 61 | |
| 62 | termPQExpBuffer(&escaped_connstr); |
| 63 | } |
| 64 | |
| 65 | /* reap all children */ |
| 66 | while (reap_child(true) == true) |
| 67 | ; |
| 68 | |
| 69 | end_progress_output(); |
| 70 | check_ok(); |
| 71 | } |
| 72 | |