Merge pull request #218 from mavimo/feature/influx-query-functions

[InfluxDB] Added more query functions

src/app/controllers/influxTargetCtrl.js

@@ -15,6 +15,7 @@ function (angular) {
         $scope.target.function = 'mean';
       }
 
+      $scope.functions = ['count', 'mean', 'sum', 'min', 'max', 'mode', 'distinct', 'median', 'derivative', 'stddev', 'first', 'last'];
       $scope.oldSeries = $scope.target.series;
       $scope.$on('typeahead-updated', function(){
         $timeout($scope.get_data);

src/app/partials/influxdb/editor.html

@@ -74,7 +74,11 @@
             function
           </li>
           <li>
-            <select class="input-medium grafana-target-segment-input"  ng-change="get_data()" ng-model="target.function" ng-options="f for f in ['mean', 'sum', 'min', 'max', 'median', 'derivative', 'stddev']" ></select>
+            <select class="input-medium grafana-target-segment-input"
+                    ng-change="get_data()"
+                    ng-model="target.function"
+                    ng-options="f for f in functions" ></select>
+          </li>
           </li>
           <li class="grafana-target-segment">
             group by time