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repmgrd: check shared library is loaded

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If this isn't the case, "repmgrd" will appear to run but not handle
failover correctly.

Address GitHub #337.
This commit is contained in:
Ian Barwick
2017-11-10 14:35:17 +09:00
parent cbc97d84ac
commit 4d6dc57589
4 changed files with 40 additions and 2 deletions
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22
dbutils.c
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@@ -1554,7 +1554,7 @@ repmgrd_set_local_node_id(PGconn *conn, int local_node_id)
initPQExpBuffer(&query);
appendPQExpBuffer(&query,
" SELECT repmgr.set_local_node_id(%i)",
"SELECT repmgr.set_local_node_id(%i)",
local_node_id);
res = PQexec(conn, query.data);
@@ -1572,6 +1572,26 @@ repmgrd_set_local_node_id(PGconn *conn, int local_node_id)
int
repmgrd_get_local_node_id(PGconn *conn)
{
PGresult *res = NULL;
int local_node_id = UNKNOWN_NODE_ID;
res = PQexec(conn, "SELECT repmgr.get_local_node_id()");
if (!PQgetisnull(res, 0, 0))
{
local_node_id = atoi(PQgetvalue(res, 0, 0));
}
PQclear(res);
return local_node_id;
}
/* ================ */
/* result functions */
/* ================ */