repmgrd: remove unneeded functions

This commit is contained in:
Ian Barwick
2017-11-09 11:32:23 +09:00
parent a3428e4d8a
commit 9e2fb7ea13
5 changed files with 0 additions and 354 deletions

View File

@@ -3647,102 +3647,6 @@ get_voting_status(PGconn *conn)
}
VoteRequestResult
request_vote(PGconn *conn, t_node_info *this_node, t_node_info *other_node, int electoral_term)
{
PQExpBufferData query;
PGresult *res = NULL;
int lsn_diff = 0;
other_node->last_wal_receive_lsn = InvalidXLogRecPtr;
initPQExpBuffer(&query);
appendPQExpBuffer(&query,
"SELECT repmgr.request_vote(%i, %i)",
this_node->node_id,
electoral_term);
res = PQexec(conn, query.data);
termPQExpBuffer(&query);
/* check for NULL */
if (PQgetisnull(res, 0, 0))
{
PQclear(res);
log_debug("NULL returned by repmgr.request_vote()");
/*
* get the node's last receive location anyway TODO: have
* repmgr.request_vote() return two values
*/
initPQExpBuffer(&query);
if (server_version_num >= 100000)
{
appendPQExpBuffer(&query,
"SELECT pg_catalog.pg_last_wal_receive_lsn()");
}
else
{
appendPQExpBuffer(&query,
"SELECT pg_catalog.pg_last_xlog_receive_location()");
}
res = PQexec(conn, query.data);
termPQExpBuffer(&query);
if (PQresultStatus(res) == PGRES_TUPLES_OK)
{
other_node->last_wal_receive_lsn = parse_lsn(PQgetvalue(res, 0, 0));
}
PQclear(res);
return VR_VOTE_REFUSED;
}
other_node->last_wal_receive_lsn = parse_lsn(PQgetvalue(res, 0, 0));
PQclear(res);
lsn_diff = this_node->last_wal_receive_lsn - other_node->last_wal_receive_lsn;
log_debug("lsn_diff %i", lsn_diff);
/* we're ahead */
if (lsn_diff > 0)
{
log_debug("local node is ahead");
return VR_POSITIVE_VOTE;
}
/* other node is ahead */
if (lsn_diff < 0)
{
log_debug("other node is ahead");
return VR_NEGATIVE_VOTE;
}
/* tiebreak */
/* other node is higher priority */
if (this_node->priority < other_node->priority)
{
log_debug("other node has higher priority");
return VR_NEGATIVE_VOTE;
}
/* still tiebreak - we're the candidate, so we win */
log_debug("win by default");
return VR_POSITIVE_VOTE;
}
void
set_voting_status_initiated(PGconn *conn, int electoral_term)
{