From 47007076cc22ea56eacff41e8d70463d6c57810f Mon Sep 17 00:00:00 2001
From: Murtuza Zabuawala <murtuza.zabuawala@enterprisedb.com>
Date: Wed, 8 Jun 2016 12:48:34 +0100
Subject: [PATCH] Fix validation issue causing statistics tab to break if no
 node is selected on browser tree and user clicks on statistics tab.

---
 .../misc/statistics/static/js/statistics.js   | 20 ++++++++++---------
 1 file changed, 11 insertions(+), 9 deletions(-)

diff --git a/web/pgadmin/misc/statistics/static/js/statistics.js b/web/pgadmin/misc/statistics/static/js/statistics.js
index 019902b19..5278271a6 100644
--- a/web/pgadmin/misc/statistics/static/js/statistics.js
+++ b/web/pgadmin/misc/statistics/static/js/statistics.js
@@ -229,15 +229,17 @@ function(_, $, pgBrowser, Backgrid) {
        * We will wait for some time before fetching the statistics for the
        * selected node.
        **/
-      if (self.timeout) {
-        clearTimeout(self.timeout);
-      }
-      self.timeout =  setTimeout(
-        function() {
-          self.__updateCollection.call(
-            self, node.generate_url(item, 'stats', data, true), node
-          );
-        }, 400);
+      if (node) {
+        if (self.timeout) {
+          clearTimeout(self.timeout);
+        }
+        self.timeout =  setTimeout(
+          function() {
+            self.__updateCollection.call(
+              self, node.generate_url(item, 'stats', data, true), node
+            );
+          }, 400);
+        }
     },
 
     __createMultiLineStatistics: function(data) {