Added more query function in InfluxDB

src/app/partials/influxdb/editor.html

@@ -74,7 +74,7 @@
             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 ['count', 'mean', 'sum', 'min', 'max', 'mode', 'distinct', 'median', 'derivative', 'stddev', 'first', 'last']" ></select>
           </li>
           <li class="grafana-target-segment">
             group by time