dump.c

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/*
 *  dump.c
 *
 *  dump functions
 *
 *  Copyright (c) 2010-2013, PostgreSQL Global Development Group
 *  contrib/pg_upgrade/dump.c
 */

#include "postgres_fe.h"

#include "pg_upgrade.h"

#include <sys/types.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,
              "\"%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();
}