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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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18
contrib/pg_upgrade/controldata.c
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@ -234,16 +234,20 @@ get_control_data(ClusterInfo *cluster, bool live_check)
}
else if ((p = strstr(bufin, "Latest checkpoint's NextXID:")) != NULL)
{
char *op = strchr(p, '/');
p = strchr(p, ':');
if (op == NULL)
op = strchr(p, ':');
if (op == NULL || strlen(op) <= 1)
if (p == NULL || strlen(p) <= 1)
pg_log(PG_FATAL, "%d: controldata retrieval problem\n", __LINE__);
op++; /* removing ':' char */
cluster->controldata.chkpnt_nxtxid = str2uint(op);
p++; /* removing ':' char */
cluster->controldata.chkpnt_nxtepoch = str2uint(p);
p = strchr(p, '/');
if (p == NULL || strlen(p) <= 1)
pg_log(PG_FATAL, "%d: controldata retrieval problem\n", __LINE__);
p++; /* removing '/' char */
cluster->controldata.chkpnt_nxtxid = str2uint(p);
got_xid = true;
}
else if ((p = strstr(bufin, "Latest checkpoint's NextOID:")) != NULL)