return early if the response is empty

3rd-Eden · Jan 21, 2012 · 75c2834 · 75c2834
1 parent f56784e
commit 75c2834
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/lib/memcached.js b/lib/memcached.js
@@ -361,11 +361,15 @@ Client.config = {
     }
   };
 
+  function resultSetIsEmpty(resultSet) {
+    return !resultSet || (resultSet.length == 1 && !resultSet[0]);
+  }
   // Parses down result sets
   private.resultParsers = {
     // combines the stats array, in to an object
     'stats': function(resultSet){
       var response = {};
+      if (resultSetIsEmpty(resultSet)) return response;
 
       // add references to the retrieved server
       response.server = this.serverAddress;
@@ -383,6 +387,7 @@ Client.config = {
     // Group slabs by slab id
   , 'stats slabs': function(resultSet){
       var response = {};
+      if (resultSetIsEmpty(resultSet)) return response;
 
       // add references to the retrieved server
       response.server = this.serverAddress;
@@ -399,6 +404,7 @@ Client.config = {
     }
   , 'stats items': function(resultSet){
       var response = {};
+      if (resultSetIsEmpty(resultSet)) return response;
 
       // add references to the retrieved server
       response.server = this.serverAddress;