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"cluster show": improve handling of database errors

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In particular, if running "repmgr cluster show" against a database
without the repmgr metadata, showing the error (rather than just
"no records found" etc.) will provide some clues about the problem.
This commit is contained in:
Ian Barwick
2018-02-05 10:15:48 +09:00
parent 4fb085f52d
commit 657ed83921
4 changed files with 31 additions and 7 deletions
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22
dbutils.c
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@@ -2123,7 +2123,11 @@ get_node_records_by_priority(PGconn *conn, NodeInfoList *node_list)
return;
}
void
/*
* return all node records together with their upstream's node name,
* if available.
*/
bool
get_all_node_records_with_upstream(PGconn *conn, NodeInfoList *node_list)
{
PQExpBufferData query;
@@ -2145,11 +2149,19 @@ get_all_node_records_with_upstream(PGconn *conn, NodeInfoList *node_list)
termPQExpBuffer(&query);
if (PQresultStatus(res) != PGRES_TUPLES_OK)
{
log_error(_("unable to retrieve node records"));
log_detail("%s", PQerrorMessage(conn));
PQclear(res);
return false;
}
_populate_node_records(res, node_list);
PQclear(res);
return;
return true;
}
@@ -2271,9 +2283,11 @@ _create_update_node_record(PGconn *conn, char *action, t_node_info *node_info)
if (PQresultStatus(res) != PGRES_COMMAND_OK)
{
log_error(_("unable to %s node record:\n %s"),
log_error(_("unable to %s node record for node \"%s\" (ID: %i)"),
action,
PQerrorMessage(conn));
node_info->node_name,
node_info->node_id);
log_detail("%s", PQerrorMessage(conn));
PQclear(res);
return false;
}