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pg_upgrade: preserve the timestamp epoch

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This is useful for replication tools like Slony and Skytools.  This is a
backpatch of a74a4aa23b.

Report by Sergey Konoplev

Backpatch through 9.3
This commit is contained in:
Bruce Momjian
2014-09-11 18:39:46 -04:00
parent bca91236a7
commit 5724f491d2
3 changed files with 18 additions and 9 deletions
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8
contrib/pg_upgrade/pg_upgrade.c
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@ -423,12 +423,16 @@ copy_clog_xlog_xid(void)
/* copy old commit logs to new data dir */
copy_subdir_files("pg_clog");
/* set the next transaction id of the new cluster */
prep_status("Setting next transaction ID for new cluster");
/* set the next transaction id and epoch of the new cluster */
prep_status("Setting next transaction ID and epoch for new cluster");
exec_prog(UTILITY_LOG_FILE, NULL, true,
"\"%s/pg_resetxlog\" -f -x %u \"%s\"",
new_cluster.bindir, old_cluster.controldata.chkpnt_nxtxid,
new_cluster.pgdata);
exec_prog(UTILITY_LOG_FILE, NULL, true,
"\"%s/pg_resetxlog\" -f -e %u \"%s\"",
new_cluster.bindir, old_cluster.controldata.chkpnt_nxtepoch,
new_cluster.pgdata);
check_ok();
/*