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More failover fixes

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This commit is contained in:
Ian Barwick
2017-07-03 17:37:32 +09:00
parent 1bc4e968f6
commit 890b88d644
3 changed files with 122 additions and 11 deletions
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12
dbutils.c
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@@ -2353,12 +2353,12 @@ request_vote(PGconn *conn, t_node_info *this_node, t_node_info *other_node, int
lsn_diff = this_node->last_wal_receive_lsn - other_node->last_wal_receive_lsn;
log_debug("XXX lsn_diff %i", lsn_diff);
log_debug("lsn_diff %i", lsn_diff);
/* we're ahead */
if (lsn_diff > 0)
{
log_debug("this node is ahead");
log_debug("local node is ahead");
return 1;
}
@@ -2435,16 +2435,24 @@ notify_follow_primary(PGconn *conn, int primary_node_id)
PQExpBufferData query;
PGresult *res;
initPQExpBuffer(&query);
appendPQExpBuffer(&query,
"SELECT repmgr.notify_follow_primary(%i)",
primary_node_id);
log_verbose(LOG_DEBUG, "notify_follow_primary():\n %s", query.data);
// XXX handle failure
res = PQexec(conn, query.data);
termPQExpBuffer(&query);
if (!res || PQresultStatus(res) != PGRES_TUPLES_OK)
{
log_error(_("unable to execute repmgr.notify_follow_primary():\n %s"),
PQerrorMessage(conn));
}
PQclear(res);
return;
}