We still need to call the data endpoint (#14443)

static/js/impala/stats/chart.js

@@ -128,7 +128,8 @@
             date_range_days = parseInt((end - start) / 1000 / 3600 / 24, 10),
             fields  = obj.fields ? obj.fields.slice(0,5) : ['count'],
             series  = {},
-            events  = obj.events,
+            events  = [], // TODO: remove this, it is not used anymore because
+                          // the caller does not pass any values anymore.
             chartRange = {},
             t, row, i, field, val,
             is_overview = metric == 'overview' || metric == 'app_overview';

static/js/impala/stats/manager.js

@@ -101,10 +101,21 @@ z.StatsManager = (function() {
         if (currentView.range.custom && typeof currentView.range.end == 'object') {
             currentView.range.end = new Date(currentView.range.end.getTime() + msDay);
         }
+
+        // Fetch the data from the server or storage, and notify other components.
+        $.when(getDataRange(currentView))
+            .then(function(data) {
+                setTimeout(function() {
+                    $(window).trigger("dataready", {
+                        'view'  : currentView,
+                        'fields': getAvailableFields(currentView),
+                        'data'  : data,
+                    });
+                }, 0);
+            });
     }
     $(window).on('changeview', processView);
 
-
     function annotateData(data, events) {
         var i, ev, sd, ed;
         for (i=0; i < events.length; i++) {