From ca42ed29b871d2f5caf188ab3dfdcf4cfcdd3b28 Mon Sep 17 00:00:00 2001
From: Rohit Yadav <rohit.yadav@shapeblue.com>
Date: Thu, 29 Oct 2015 12:45:04 +0530
Subject: [PATCH] metrics: don't sort on columns where all elements are same

Signed-off-by: Rohit Yadav <rohit.yadav@shapeblue.com>
---
 ui/scripts/ui/widgets/dataTable.js | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/ui/scripts/ui/widgets/dataTable.js b/ui/scripts/ui/widgets/dataTable.js
index c85f2d26737..e89e72b0178 100644
--- a/ui/scripts/ui/widgets/dataTable.js
+++ b/ui/scripts/ui/widgets/dataTable.js
@@ -154,11 +154,22 @@
                 return $(this).index() == columnIndex;
             });
 
+            var hasAllRowsSameValue = true;
+            var firstElem = $($elems[0]).html();
             var sortData = [];
             $elems.each(function() {
+                if (hasAllRowsSameValue) {
+                    if (firstElem !== $(this).html()) {
+                        hasAllRowsSameValue = false;
+                    }
+                }
                 sortData.push($(this));
             });
 
+            if (hasAllRowsSameValue) {
+                return;
+            }
+
             var stringComparator = function(a,b) {
                 return a.html().localeCompare(b.html());
             };