*
* main source file
*
- * Copyright (c) 2010-2012, PostgreSQL Global Development Group
+ * Copyright (c) 2010-2014, PostgreSQL Global Development Group
* contrib/pg_upgrade/pg_upgrade.c
*/
-#include "postgres.h"
+#include "postgres_fe.h"
#include "pg_upgrade.h"
static void create_new_objects(void);
static void copy_clog_xlog_xid(void);
static void set_frozenxids(void);
-static void setup(char *argv0, bool live_check);
+static void setup(char *argv0, bool *live_check);
static void cleanup(void);
ClusterInfo old_cluster,
/* unique file for pg_ctl start */
SERVER_START_LOG_FILE,
#endif
- RESTORE_LOG_FILE,
UTILITY_LOG_FILE,
INTERNAL_LOG_FILE,
NULL
adjust_data_dir(&old_cluster);
adjust_data_dir(&new_cluster);
- output_check_banner(&live_check);
+ setup(argv[0], &live_check);
- setup(argv[0], live_check);
+ output_check_banner(live_check);
check_cluster_versions();
/* -- NEW -- */
- start_postmaster(&new_cluster);
+ start_postmaster(&new_cluster, true);
check_new_cluster();
report_clusters_compatible();
/* New now using xids of the old system */
/* -- NEW -- */
- start_postmaster(&new_cluster);
+ start_postmaster(&new_cluster, true);
prepare_new_databases();
if (user_opts.transfer_mode == TRANSFER_MODE_LINK)
disable_old_cluster();
- transfer_all_new_dbs(&old_cluster.dbarr, &new_cluster.dbarr,
- old_cluster.pgdata, new_cluster.pgdata);
+ transfer_all_new_tablespaces(&old_cluster.dbarr, &new_cluster.dbarr,
+ old_cluster.pgdata, new_cluster.pgdata);
/*
* Assuming OIDs are only used in system tables, there is no need to
new_cluster.pgdata);
check_ok();
+ prep_status("Sync data directory to disk");
+ exec_prog(UTILITY_LOG_FILE, NULL, true,
+ "\"%s/initdb\" --sync-only \"%s\"", new_cluster.bindir,
+ new_cluster.pgdata);
+ check_ok();
+
create_script_for_cluster_analyze(&analyze_script_file_name);
create_script_for_old_cluster_deletion(&deletion_script_file_name);
static void
-setup(char *argv0, bool live_check)
+setup(char *argv0, bool *live_check)
{
char exec_path[MAXPGPATH]; /* full path to my executable */
verify_directories();
- /* no postmasters should be running */
- if (!live_check && is_server_running(old_cluster.pgdata))
- pg_log(PG_FATAL, "There seems to be a postmaster servicing the old cluster.\n"
- "Please shutdown that postmaster and try again.\n");
+ /* no postmasters should be running, except for a live check */
+ if (pid_lock_file_exists(old_cluster.pgdata))
+ {
+ /*
+ * If we have a postmaster.pid file, try to start the server. If it
+ * starts, the pid file was stale, so stop the server. If it doesn't
+ * start, assume the server is running. If the pid file is left over
+ * from a server crash, this also allows any committed transactions
+ * stored in the WAL to be replayed so they are not lost, because WAL
+ * files are not transfered from old to new servers.
+ */
+ if (start_postmaster(&old_cluster, false))
+ stop_postmaster(false);
+ else
+ {
+ if (!user_opts.check)
+ pg_fatal("There seems to be a postmaster servicing the old cluster.\n"
+ "Please shutdown that postmaster and try again.\n");
+ else
+ *live_check = true;
+ }
+ }
/* same goes for the new postmaster */
- if (is_server_running(new_cluster.pgdata))
- pg_log(PG_FATAL, "There seems to be a postmaster servicing the new cluster.\n"
- "Please shutdown that postmaster and try again.\n");
+ if (pid_lock_file_exists(new_cluster.pgdata))
+ {
+ if (start_postmaster(&new_cluster, false))
+ stop_postmaster(false);
+ else
+ pg_fatal("There seems to be a postmaster servicing the new cluster.\n"
+ "Please shutdown that postmaster and try again.\n");
+ }
/* get path to pg_upgrade executable */
if (find_my_exec(argv0, exec_path) < 0)
- pg_log(PG_FATAL, "Could not get path name to pg_upgrade: %s\n", getErrorText(errno));
+ pg_fatal("Could not get path name to pg_upgrade: %s\n", getErrorText(errno));
/* Trim off program name and keep just path */
*last_dir_separator(exec_path) = '\0';
* support functions in template1 but pg_dumpall creates database using
* the template0 template.
*/
- exec_prog(RESTORE_LOG_FILE, NULL, true,
+ exec_prog(UTILITY_LOG_FILE, NULL, true,
"\"%s/psql\" " EXEC_PSQL_ARGS " %s -f \"%s\"",
new_cluster.bindir, cluster_conn_opts(&new_cluster),
GLOBALS_DUMP_FILE);
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.
+ * 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++)
{
for (dbnum = 0; dbnum < old_cluster.dbarr.ndbs; dbnum++)
{
- char file_name[MAXPGPATH];
- DbInfo *old_db = &old_cluster.dbarr.dbs[dbnum];
+ char sql_file_name[MAXPGPATH],
+ log_file_name[MAXPGPATH];
+ DbInfo *old_db = &old_cluster.dbarr.dbs[dbnum];
- pg_log(PG_REPORT, OVERWRITE_MESSAGE, old_db->db_name);
- snprintf(file_name, sizeof(file_name), DB_DUMP_FILE_MASK, old_db->db_oid);
+ 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);
/*
- * Using pg_restore --single-transaction is faster than other
- * methods, like --jobs. pg_dump only produces its output at the
- * end, so there is little parallelism using the pipe.
+ * pg_dump only produces its output at the end, so there is little
+ * parallelism if using the pipe.
*/
- exec_prog(RESTORE_LOG_FILE, NULL, true,
- "\"%s/pg_restore\" %s --exit-on-error --single-transaction --verbose --dbname \"%s\" \"%s\"",
- new_cluster.bindir, cluster_conn_opts(&new_cluster),
- old_db->db_name, file_name);
+ 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();
snprintf(old_path, sizeof(old_path), "%s/%s", old_cluster.pgdata, subdir);
snprintf(new_path, sizeof(new_path), "%s/%s", new_cluster.pgdata, subdir);
if (!rmtree(new_path, true))
- pg_log(PG_FATAL, "could not delete directory \"%s\"\n", new_path);
+ pg_fatal("could not delete directory \"%s\"\n", new_path);
check_ok();
prep_status("Copying old %s to new server", subdir);
new_cluster.pgdata);
check_ok();
+ /*
+ * If the old server is before the MULTIXACT_FORMATCHANGE_CAT_VER change
+ * (see pg_upgrade.h) and the new server is after, then we don't copy
+ * pg_multixact files, but we need to reset pg_control so that the new
+ * server doesn't attempt to read multis older than the cutoff value.
+ */
+ if (old_cluster.controldata.cat_ver >= MULTIXACT_FORMATCHANGE_CAT_VER &&
+ new_cluster.controldata.cat_ver >= MULTIXACT_FORMATCHANGE_CAT_VER)
+ {
+ copy_subdir_files("pg_multixact/offsets");
+ copy_subdir_files("pg_multixact/members");
+ prep_status("Setting next multixact ID and offset for new cluster");
+
+ /*
+ * we preserve all files and contents, so we must preserve both "next"
+ * counters here and the oldest multi present on system.
+ */
+ exec_prog(UTILITY_LOG_FILE, NULL, true,
+ "\"%s/pg_resetxlog\" -O %u -m %u,%u \"%s\"",
+ new_cluster.bindir,
+ old_cluster.controldata.chkpnt_nxtmxoff,
+ old_cluster.controldata.chkpnt_nxtmulti,
+ old_cluster.controldata.chkpnt_oldstMulti,
+ new_cluster.pgdata);
+ check_ok();
+ }
+ else if (new_cluster.controldata.cat_ver >= MULTIXACT_FORMATCHANGE_CAT_VER)
+ {
+ prep_status("Setting oldest multixact ID on new cluster");
+
+ /*
+ * We don't preserve files in this case, but it's important that the
+ * oldest multi is set to the latest value used by the old system, so
+ * that multixact.c returns the empty set for multis that might be
+ * present on disk. We set next multi to the value following that; it
+ * might end up wrapped around (i.e. 0) if the old cluster had
+ * next=MaxMultiXactId, but multixact.c can cope with that just fine.
+ */
+ exec_prog(UTILITY_LOG_FILE, NULL, true,
+ "\"%s/pg_resetxlog\" -m %u,%u \"%s\"",
+ new_cluster.bindir,
+ old_cluster.controldata.chkpnt_nxtmulti + 1,
+ old_cluster.controldata.chkpnt_nxtmulti,
+ new_cluster.pgdata);
+ check_ok();
+ }
+
/* now reset the wal archives in the new cluster */
prep_status("Resetting WAL archives");
exec_prog(UTILITY_LOG_FILE, NULL, true,
PQclear(executeQueryOrDie(conn,
"UPDATE pg_catalog.pg_class "
"SET relfrozenxid = '%u' "
- /* only heap and TOAST are vacuumed */
- "WHERE relkind IN ('r', 't')",
+ /* only heap, materialized view, and TOAST are vacuumed */
+ "WHERE relkind IN ('r', 'm', 't')",
old_cluster.controldata.chkpnt_nxtxid));
PQfinish(conn);
static void
cleanup(void)
{
-
fclose(log_opts.internal);
/* Remove dump and log files? */
if (old_cluster.dbarr.dbs)
for (dbnum = 0; dbnum < old_cluster.dbarr.ndbs; dbnum++)
{
- char file_name[MAXPGPATH];
- DbInfo *old_db = &old_cluster.dbarr.dbs[dbnum];
+ char sql_file_name[MAXPGPATH],
+ log_file_name[MAXPGPATH];
+ DbInfo *old_db = &old_cluster.dbarr.dbs[dbnum];
+
+ snprintf(sql_file_name, sizeof(sql_file_name), DB_DUMP_FILE_MASK, old_db->db_oid);
+ unlink(sql_file_name);
- snprintf(file_name, sizeof(file_name), DB_DUMP_FILE_MASK, old_db->db_oid);
- unlink(file_name);
+ snprintf(log_file_name, sizeof(log_file_name), DB_DUMP_LOG_FILE_MASK, old_db->db_oid);
+ unlink(log_file_name);
}
}
}
projects / postgresql / blobdiff