Merge pull request #137 from martinmarques/create_view_repl_show_nodes

We need to update the repmgr.sql file with the new view and create a

repmgr.sql

@@ -59,3 +59,12 @@ WHERE (standby_node, last_monitor_time) IN (SELECT standby_node, MAX(last_monito
 ALTER VIEW repl_status OWNER TO repmgr;
 
 CREATE INDEX idx_repl_status_sort ON repl_monitor(last_monitor_time, standby_node);
+
+/*
+ * This view shows the list of nodes with the information of which one is the upstream
+ * in each case (when appliable)
+ */
+CREATE VIEW repl_show_nodes AS 
+SELECT rn.id, rn.conninfo, rn.type, rn.name, rn.cluster,
+	rn.priority, rn.active, sq.name AS upstream_node_name
+FROM repl_nodes as rn LEFT JOIN repl_nodes AS sq ON sq.id=rn.upstream_node_id;

sql/repmgr3.0_repmgr3.1.sql

@@ -0,0 +1,33 @@
+/*
+ * Update a repmgr 3.0 installation to repmgr 3.1
+ * ----------------------------------------------
+ *
+ * 1. Stop any running repmgrd instances
+ * 2. On the master node, execute the SQL statements listed below,
+ *    taking care to identify the master node and any inactive
+ *    nodes
+ * 3. Restart repmgrd (being sure to use repmgr 3.1)
+ */
+
+/*
+ * Set the search path to the name of the schema used by
+ * your repmgr installation
+ * (this should be "repmgr_" + the cluster name defined in
+ * 'repmgr.conf')
+ */
+
+-- SET search_path TO 'name_of_repmgr_schema';
+
+BEGIN;
+
+-- We have this new view which gives the upstream node information when
+-- checking on the nodes table
+
+CREATE VIEW repl_show_nodes AS 
+SELECT rn.id, rn.conninfo, rn.type, rn.name, rn.cluster,
+	rn.priority, rn.active, sq.name AS upstream_node_name
+FROM repl_nodes as rn LEFT JOIN repl_nodes AS sq ON sq.id=rn.upstream_node_id;
+
+COMMIT;
+
+