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Backport update_node_record_status()

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This commit is contained in:
Ian Barwick
2016-01-04 15:27:47 +09:00
parent 94579b5f2e
commit cfbc9dd3c6
2 changed files with 45 additions and 0 deletions
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44
dbutils.c
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@@ -1427,6 +1427,50 @@ create_event_record(PGconn *conn, t_configuration_options *options, int node_id,
return success;
}
/*
* Update node record following change of status
* (e.g. inactive primary converted to standby)
*/
bool
update_node_record_status(PGconn *conn, char *cluster_name, int this_node_id, char *type, int upstream_node_id, bool active)
{
PGresult *res;
char sqlquery[QUERY_STR_LEN];
sqlquery_snprintf(sqlquery,
" UPDATE %s.repl_nodes "
" SET type = '%s', "
" upstream_node_id = %i, "
" active = %s "
" WHERE cluster = '%s' "
" AND id = %i ",
get_repmgr_schema_quoted(conn),
type,
upstream_node_id,
active ? "TRUE" : "FALSE",
cluster_name,
this_node_id);
log_verbose(LOG_DEBUG, "update_node_record_status():\n%s\n", sqlquery);
res = PQexec(conn, sqlquery);
if (PQresultStatus(res) != PGRES_COMMAND_OK)
{
log_err(_("Unable to update node record: %s\n"),
PQerrorMessage(conn));
PQclear(res);
return false;
}
PQclear(res);
return true;
}
bool
update_node_record_set_upstream(PGconn *conn, char *cluster_name, int this_node_id, int new_upstream_node_id)
{

1
dbutils.h
View File

@@ -108,6 +108,7 @@ bool copy_configuration(PGconn *masterconn, PGconn *witnessconn, char *cluster_
bool create_node_record(PGconn *conn, char *action, int node, char *type, int upstream_node, char *cluster_name, char *node_name, char *conninfo, int priority, char *slot_name);
bool delete_node_record(PGconn *conn, int node, char *action);
bool create_event_record(PGconn *conn, t_configuration_options *options, int node_id, char *event, bool successful, char *details);
bool update_node_record_status(PGconn *conn, char *cluster_name, int this_node_id, char *type, int upstream_node_id, bool active);
bool update_node_record_set_upstream(PGconn *conn, char *cluster_name, int this_node_id, int new_upstream_node_id);
PGresult * get_node_record(PGconn *conn, char *cluster, int node_id);